PSA123-2G [BEL]

DC-DC Regulated Power Supply Module,;
PSA123-2G
型号: PSA123-2G
厂家: BEL FUSE INC.    BEL FUSE INC.
描述:

DC-DC Regulated Power Supply Module,

文件: 总17页 (文件大小:2199K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
PSA/PSR Series  
Positive Switching Regulator  
The PSA/PSR Series of positive switching regulators are  
designed as power supplies for electronic systems when no  
input-to-output isolation is required. Their major advantages  
include a high level of efficiency, high reliability, low output ripple,  
and excellent dynamic response. Models with input voltages up  
to 144V are especially designed for secondary-switched and  
battery-driven mobile applications. The regulators are suitable  
for railway applications according to EN 50155 and EN 50121.  
The case design allows for operation up to 71 °C. The PSA/PSR  
Series are designed for wall or chassis mounting with faston  
connections or with solder pins for insertion into a PCB.  
Various options are available to adapt the regulators to different  
applications.  
Features  
• RoHS lead-free-solder and lead-solder-exempted  
products are available  
• 5 year warranty for RoHS compliant products with an  
extended temperature range  
• Input voltage up to 144 VDC  
• Single output of 5 to 48 VDC  
• No input-to-output isolation  
High efficiency up to 95%  
• Extremely wide input voltage range  
Low input-to-output differential voltage  
• Very good dynamic properties  
• Input undervoltage lockout  
• Output voltage adjustment and inhibit function  
• Continuously no-load and short-circuit proof  
• All boards are coated with a protective lacquer  
• Boards or chassis mountable  
25  
1.0ꢀ  
50  
2.0ꢀ  
70  
2.8ꢀ  
Safety-approved to the latest edition of IEC/EN 60950-1  
and UL/CSA 60950-1  
Table of Contents  
Electromagnetic Compatibility (EMC).................................11  
Immunity to Environmental Conditions...............................12  
Mechanical Data.................................................................13  
Safety and Installation Instructions.....................................14  
Description of Options........................................................15  
Accessories........................................................................16  
Description............................................................................1  
Model Selection....................................................................2  
Functional Description..........................................................3  
Electrical Input Data .............................................................4  
Electrical Output Data...........................................................6  
Auxiliary Functions .............................................................10  
belfuse.com/power-solutions  
BCD20025-G Rev AG, 22-Mar-2019  
PSA/PSR Series  
Positive Switching Regulator  
Model Selection  
Table 1: Model Selection  
Output  
voltage  
Output  
current  
Operating input  
voltage range  
Nom. input voltage  
Efficiency2  
Type  
designation  
Options  
Vo nom [V]  
Io nom [A]  
Vi [V]  
Vo nom [V]  
ηmin [%] ηmax [%]  
5
5
5
5
2
3
4
5
8 - 80  
8 - 80  
7 - 40  
7 - 35  
40  
40  
20  
20  
71.5  
77  
82  
74  
79  
83  
83  
PSR52-7  
Y
PSR53-9G  
PSR54-9iG  
PSA55-9iG  
-7, i, P, R, Y, non-G  
-7, P, R, Y, non-G  
-7, R, Y, non-G  
81  
5.1  
5.1  
2
5
8 - 80  
7 - 35  
20  
20  
75  
83  
-
-
PSA5A2-2  
PSA5A5-2  
iRY3  
-7, iRY3  
12  
12  
12  
1.5  
2.5  
3
18 - 1441  
15 - 80  
15 - 40  
60  
40  
20  
86  
86  
89  
87  
87  
-
PSA121.5-9iRG  
PSR122.5-9iG  
PSA123-2  
-7, Y, non-G  
-7, P, R, Y, non-G  
iRY3  
15  
15  
15  
1.5  
2.5  
3
22 - 1441  
19 - 80  
19 - 40  
60  
40  
30  
86  
88  
90  
87  
89  
-
PSA151.5-9iRG  
PSR152.5-9G  
PSA153-2  
-7, Y, non-G  
-7, P, R, Y, non-G  
iRY3  
24  
24  
24  
1.5  
2
2.5  
31 - 1441  
29 - 80  
29 - 60  
60  
50  
40  
92  
91  
93  
93  
92  
-
PSA241.5-9iRG  
PSR242-9iG  
PSA242.5-2G  
-7, Y, non-G  
-7, P, R, Y, non-G  
iRY3, non-G  
36  
36  
1.2  
2
44 - 1441  
42 - 80  
80  
60  
93  
92  
95  
94  
PSA361-9iRG  
PSR362-9iRG  
-7, Y, non-G  
-7, Y, non-G  
48  
1
58 - 1441  
80  
93  
95  
PSA481-9iRG  
-7, Y, non-G  
1
2
3
Surges up to 156 V for 2 s; see Electrical Input Data  
Efficiency at Vi nom and Io nom  
Options iRYin a package  
NFND: Not for new designs.  
Preferred for new designs.  
Note: The output voltage Vo is adjusted to 108% of Vo nom for all models with option P or R, if they don’t have option Y in addition.  
PSA 12 1.5 -9 i R G  
Part Number Description  
Positive switching regulator in case A01 .........PSA or PSR  
Nominal output voltage in Volt................................. 5 to 48  
Nominal output current in Ampere............................. 1 to 5  
Operational ambient temperature range TA  
–10 to 50 °C........................................................ -2  
–25 to 50°C (customer-specific models).............. -5  
–25 to 71°C (option)........................................... -7  
–40 to 71°C ....................................................... -9  
other (customer-specific models) ........................-0  
i
Inhibit input (standard for all -7 and -9 models).................  
R
Control input for output voltage adjustment1 ...................  
Potentiometer1 (option, NFND) ....................................... P  
G
RoHS-compliant for all 6 substances ..............................  
1
Option P excludes feature R.  
Note: The sequence of options must follow the order above.  
Example: PSA121.5-9iRG designates a positive switching regulator with an output 12 V, 1.5 A, ambient temperature –40 to 71°C,  
inhibit input, output voltge adjust by R-pin, RoHS-compliant for all 6 substances.  
tech.support@psbel.com  
belfuse.com/power-solutions  
BCD20025-G Rev AG, 22-Mar-2019  
© 2019 Bel Power Solutions & Protection  
Page 2 of 17  
PSA/PSR Series  
Positive Switching Regulator  
PSA 12 Z 3 A -9iRG  
Customer-Specific Models  
Positive switching regulator in case A01 ..................... PSA  
Nominal output voltage in Volt (without decimals).......... 12  
Decimal places:  
0.0 V...................................................................... Z  
0.1 V...................................................................... A  
0.15 V....................................................................B  
0.2 V......................................................................C  
0.25 V....................................................................D  
0.3 V......................................................................E  
0.4 V...................................................................... F  
0.5 V......................................................................G  
0.6 V......................................................................H  
0.7 V.......................................................................J  
0.8 V......................................................................K  
0.9 V.......................................................................L  
other...................................................................... Y  
Output current in Amperes ................................................3  
Identification character ...........................................A, B, ...  
Temperature range and options ...............................-9iRG  
Product Marking  
Type designation, applicable safety approval marks, warnings, pin allocation, patent nos., and company logo.  
Input voltage range, nominal output voltage and current, pin allocation of auxiliary functions and options, and protection degree.  
Identification of LED and the optional potentiometer.  
Label with input voltage range, nominal output voltage and current, protection degree, batch no., serial no., and data code including  
production site, version (modification status), date of production.  
Functional Description  
The switching regulators use the buck converter topology. The input is not electrically isolated from the output. During the on period  
of the switching transistor, current is transferred to the output, and energy is stored in the output choke. During the off period, this  
energy forces the current to continue flowing through the output, to the load, and back through the freewheeling diode. Regulation  
is accomplished by varying the duty cycle (on/off ratio) of the main switch. The regulator starts operating only when the input  
voltage exceeds the trigger level of the UVL (undervoltage lockout).  
Theseregulatorsareidealforawiderangeofapplications,whereinputtooutputisolationisnotnecessaryorisalreadyprovidedbyan  
external front end (e.g., a transformer with rectifier). To optimize customersneeds, additional options and accessories are available.  
03016b  
Bead  
Io  
Ii  
Vo+  
i
Vi+  
Control circuit  
Vi  
Vo  
Ce  
Ci  
R
ꢀo–  
ꢀi–  
Option P  
Fig. 1  
Block diagram. The resistance of the input circuit  
tech.support@psbel.com  
belfuse.com/power-solutions  
BCD20025-G Rev AG, 22-Mar-2019  
© 2019 Bel Power Solutions & Protection  
Page 3 of 17  
PSA/PSR Series  
Positive Switching Regulator  
Electrical Input Data  
General Conditions: TA = 25 °C, unless TC is specified  
Table 2a: Input data (-2 models)  
Model  
PSA55  
PSA5A5  
PSR54  
PSA5A2  
Unit  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
Characteristics  
Vi Operating input voltage  
Vio min Min. diff. voltage Vi Vo  
Conditions  
7
35  
2
7
35  
1.9  
6.4  
50  
7
40  
2
7
40  
2.9  
7.6  
50  
Io = 0 – Io nom  
,
V
TC min TC max  
6.3  
6.6  
45  
6.3  
6.3  
6.5  
45  
7.3  
Vi UVL  
Ii 0  
Undervoltage lockout  
No-load input current  
Inrush peak current  
Input resistance  
Io = 0, Vi min Vi max  
mA  
A
75  
10  
6.8  
A1  
75  
10  
6.8  
---  
75  
10  
6.8  
A1  
75  
10  
6.8  
---  
Iinr p  
Ri  
Vi nom  
mΩ  
µF  
Ci  
Input capacitance  
Vi RFI  
EN 55011, 0.15 - 30 MHz Vi nom, Io nom  
Class  
Table 2b: Input data  
Model  
PSA123  
PSA153  
PSA242.5  
Unit  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
Characteristics  
Conditions  
15  
40  
3
19  
40  
4
29  
60  
5
Vi  
Operating input voltage  
Io = 0 – Io nom  
,
Vio min Min. diff. voltage Vi Vo  
V
TC min TC max  
7.3  
8.0  
50  
7.3  
9.0  
50  
12  
13.7  
50  
Vi UVL  
Ii 0  
Undervoltage lockout  
No-load input current  
Inrush peak current  
Input resistance  
Io = 0, Vi min Vi max  
mA  
A
75  
10  
6.8  
---  
150  
10  
150  
10  
Iinr p  
Ri  
Vi nom  
mΩ  
µF  
6.8  
---  
6.8  
---  
Ci  
Input capacitance  
Vi RFI  
EN 55011, 0.15 - 30 MHz Vi nom, Io nom  
Class  
Table 2c: Input data  
Model  
PSR52  
PSR53  
PSR122.5  
Unit  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
Characteristics  
Conditions  
8
80  
3
8
80  
3
15  
80  
3
Vi  
Operating input voltage  
Io = 0 – Io nom  
,
Vio min Min. diff. voltage Vi Vo  
V
TC min TC max  
7.3  
7.6  
40  
7.3  
7.6  
40  
7.3  
8
Vi UVL  
Ii 0  
Undervoltage lockout  
No-load input current  
Inrush peak current  
Input resistance  
35  
Io = 0, Vi min Vi max  
mA  
A
150  
10  
150  
10  
150  
10  
Iinr p  
Ri  
Vi nom  
mΩ  
µF  
6.8  
A2  
6.8  
A2  
6.8  
A2  
Ci  
Input capacitance  
Vi RFI  
EN 55011, 0.15 - 30 MHz Vi nom, Io nom  
Class  
1
With Ce = 470 µF / 40 V and input filter FP38; see Accessories.  
With Ce = 470 µF / 100 V and input filter FP80; see Accessories.  
2
tech.support@psbel.com  
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BCD20025-G Rev AG, 22-Mar-2019  
© 2019 Bel Power Solutions & Protection  
Page 4 of 17  
PSA/PSR Series  
Positive Switching Regulator  
Table 2d: Input data. General Conditions as per Table 2a  
Model  
PSR152.5  
PSR242  
PSR362  
PSA121.5  
Unit  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
Characteristics  
Conditions  
19  
80  
3
29  
80  
4
42  
80  
5
18  
1441  
6
Vi  
Operating input voltage  
Io = 0 – Io nom  
,
Vio min Min. diff. voltage Vi Vo  
V
TC min TC max  
7.3  
9.0  
35  
12  
13.7  
35  
19  
20.5  
40  
12  
12.5  
20  
Vi UVL  
Ii 0  
Undervoltage lockout  
No-load input current  
Inrush peak current  
Input resistance  
Io = 0, Vi min Vi max  
mA  
A
150  
10  
150  
10  
150  
10  
150  
10  
Iinr p  
Ri  
Vi nom  
mΩ  
µF  
6.8  
A2  
6.8  
A2  
6.8  
A2  
2.2  
A3  
Ci  
Input capacitance  
Vi RFI  
EN 55011, 0.15 - 30 MHz Vi nom, Io nom  
Class  
Table 2e: Input data. General Conditions as per table 2a  
Model  
PSA151.5  
PSA241.5  
PSA361  
PSA481  
Unit  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
Characteristics  
Conditions  
22  
1441  
7
31  
1441  
7
44  
1441  
8
58  
1441  
10  
Vi  
Operating input voltage  
Io = 0 – Io nom  
,
Vio min Min. diff. voltage Vi Vo  
V
TC min TC max  
18  
18.5  
20  
22  
23  
31  
32  
44  
45  
Vi UVL  
Ii 0  
Undervoltage lockout  
No-load input current  
Inrush peak current  
Input resistance  
20  
25  
25  
Io = 0, Vi min Vi max  
mA  
A
150  
10  
150  
10  
150  
10  
150  
10  
Iinr p  
Ri  
Vi nom  
mΩ  
µF  
2.2  
A3  
2.2  
A3  
2.2  
A3  
2.2  
A3  
Ci  
Input capacitance  
Vi RFI  
EN 55011, 0.15 - 30 MHz Vi nom, Io nom  
Class  
1
Surges up to 156 V for 2 s  
With Ce = 470 µF/ 100 V and input filter FP80; see Accessories  
With Ce = 2 × 3.3 µF / 250 V MKT and input filter FP144; see Accessories  
2
3
External Input Circuitry  
The sum of the lengths of the supply lines to the source or to the nearest capacitor 100 µF (a + b) should not exceed 5 m. External  
input filter is recommended in order to prevent power line oscillations and reduce superimposed interference voltages.  
04016a  
Vo+  
ꢀo–  
Vi+  
ꢀi–  
+
a
b
Fig. 2  
Switching regulator with long supply lines.  
tech.support@psbel.com  
belfuse.com/power-solutions  
BCD20025-G Rev AG, 22-Mar-2019  
© 2019 Bel Power Solutions & Protection  
Page 5 of 17  
PSA/PSR Series  
Positive Switching Regulator  
Electrical Output Data  
General conditions:  
TA = 25 °C, unless TC is specified  
– R-input open (or Vo set to Vo nom with option P)  
Table 3a: Output data  
Output  
PSA55  
PSA5A5  
PSR54  
PSA5A2  
Unit  
Characteristics  
Conditions  
min typ max min typ max min typ max min typ max  
Vo  
Output voltage1  
Vi nom, Io nom  
4.97  
0
5.03 5.05  
5.15 4.97  
5.03 5.05  
5.15  
2.0  
V
A
Io  
Output current  
Vi min Vi max  
5.0  
6.5  
0
5.0  
6.5  
0
4.0  
5.2  
0
IoL  
Output current limitation  
5.0  
5.0  
4.0  
2.0  
2.6  
TC min TC max  
Vi nom, Io nom  
Switching  
Output  
20  
24  
50  
70  
70  
15  
40  
60  
40  
60  
frequency  
IEC/EN 61204  
BW = 20 MHz  
Vi min Vi max, Io nom  
Vi nom, Io = 0 – Io nom  
Vi nom  
Io nom 1/3 Io nom  
IEC/EN 61204  
Vi min Vi max  
Vo  
voltage  
mVpp  
noise  
Total  
100  
19  
Vo V Static line regulation  
Vo l Static load regulation  
Voltage  
30  
20  
40  
25  
40  
25  
30  
10  
40  
45  
40  
20  
mV  
µs  
Dynamic  
load  
Vo d  
250  
40  
300  
100  
200  
40  
300  
100  
deviation  
regulation  
td  
Recovery time  
Temperature coefficient  
Vo/∆TC (TC min TC max  
αVo  
±0.02  
±0.02  
±0.02  
±0.02 %/K  
)
Io = 0 – Io nom  
Table 3b: Output data  
Output  
PSA123  
PSA153  
PSA242.5  
Unit  
max  
Characteristics  
Conditions  
min  
typ  
max  
min  
typ  
max  
min  
typ  
Vo  
Io  
Output voltage1  
Output current  
Vi nom, Io nom  
11.9  
0
12.1  
3.0  
14.9  
0
15.1  
3.0  
23.8  
0
24.2  
2.5  
V
A
Vi min Vi max  
IoL  
Output current limitation  
3.0  
3.9  
3.0  
3.9  
2.5  
3.25  
TC min TC max  
Vi nom, Io nom  
Switching  
Output  
90  
110  
150  
150  
170  
frequency  
IEC/EN 61204  
BW = 20 MHz  
Vi min Vi max, Io nom  
Vi nom, Io = 0 – Io nom  
Vi nom  
Io nom 1/3 Io nom  
IEC/EN 61204  
Vi min Vi max  
Vo  
voltage  
mVpp  
noise  
Total  
110  
Vo V Static line regulation  
Vo l Static load regulation  
Voltage  
70  
40  
85  
60  
180  
140  
mV  
µs  
Dynamic  
load  
Vo d  
360  
120  
450  
120  
720  
160  
deviation  
regulation  
td  
Recovery time  
Temperature coefficient  
Vo/∆TC (TC min TC max  
αVo  
±0.02  
±0.02  
±0.02 %/K  
)
Io = 0 – Io nom  
1
Models with option R, but without option Y, are adjusted to 108% of Vo nom. Models with option P are preadjusted to108% of Vo nom  
.
tech.support@psbel.com  
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BCD20025-G Rev AG, 22-Mar-2019  
© 2019 Bel Power Solutions & Protection  
Page 6 of 17  
PSA/PSR Series  
Positive Switching Regulator  
Table 3c: Output data. General conditions as per table 3a  
Output  
PSR52  
PSR53  
PSR122.5  
Unit  
Characteristics  
Conditions  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
Vo  
Output voltage1  
Vi nom, Io nom  
4.97  
0
5.03  
2.0  
4.97  
0
5.03  
3.0  
11.9  
0
12.1  
2.5  
V
A
Io  
Output current  
Vi min Vi max  
IoL  
Output current limitation  
2.0  
2.6  
3.0  
3.9  
2.5  
3.25  
TC min TC max  
Vi nom, Io nom  
Switching  
Output  
20  
24  
40  
60  
20  
24  
60  
80  
30  
70  
frequency  
IEC/EN 61204  
BW = 20 MHz  
Vi min Vi max, Io nom  
Vi nom, Io = 0 – Io nom  
Vi nom  
Io nom 1/3 Io nom  
IEC/EN 61204  
Vi min Vi max  
Vo  
voltage  
mVpp  
noise  
Total  
35  
30  
90  
Vo V Static line regulation  
Vo l Static load regulation  
Voltage  
30  
20  
40  
25  
30  
20  
45  
25  
45  
40  
mV  
µs  
Dynamic  
load  
Vo d  
100  
50  
100  
50  
180  
60  
deviation  
regulation  
td  
Recovery time  
Temperature coefficient  
Vo/∆TC (TC min TC max  
αVo  
±0.02  
±0.02  
±0.02 %/K  
)
Io = 0 – Io nom  
Table 3d: Output data. General conditions as per table 3a  
Output  
PSR152.5  
PSR242  
PSR362  
PSA121.5  
Unit  
Characteristics  
Conditions  
min typ max min typ max min typ max min typ max  
14.91  
0
15.09 23.86  
24.14 35.78  
36.22 11.93  
12.07  
1.5  
Vo  
Io  
Output voltage1  
Vi nom, Io nom  
V
A
Output current  
Vi min Vi max  
2.5  
0
2.0  
2.6  
0
2.0  
2.6  
0
IoL  
Output current limitation  
2.5  
3.25 2.0  
110  
2.0  
1.5  
1.9  
TC min TC max  
Vi nom, Io nom  
Switching  
Output  
40  
50  
30  
40  
150  
170  
80  
85  
200  
220  
20  
24  
40  
50  
frequency  
IEC/EN 61204  
BW = 20 MHz  
Vi min Vi max, Io nom  
Vi nom, Io = 0 – Io nom  
Vi nom  
Io nom 1/3 Io nom  
IEC/EN 61204  
Vi min Vi max  
Vo  
voltage  
mVpp  
noise  
Total  
150  
Vo V Static line regulation  
Vo l Static load regulation  
Voltage  
70  
40  
85  
50  
60  
220  
160  
200 250  
125 160  
20  
20  
80  
30  
90  
mV  
µs  
Dynamic  
load  
Vo d  
180  
60  
210  
80  
250  
100  
50  
50  
deviation  
regulation  
td  
Recovery time  
Temperature coefficient  
Vo/∆TC (TC min TC max  
αVo  
±0.02  
±0.02  
±0.02  
±0.02 %/K  
)
Io = 0 – Io nom  
tech.support@psbel.com  
belfuse.com/power-solutions  
BCD20025-G Rev AG, 22-Mar-2019  
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Page 7 of 17  
PSA/PSR Series  
Positive Switching Regulator  
Table 3e: Output data. General conditions as per table 3a  
Output  
PSA151.5  
PSA241.5  
PSA361  
PSA481  
Unit  
Characteristics  
Conditions  
min typ max min typ max min typ max min typ max  
14.91  
0
15.09 23.86  
24.14 35.78  
36.22 47.71  
48.29  
1.0  
Vo  
Io  
Output voltage1  
Vi nom, Io nom  
V
A
Output current  
Vi min Vi max  
1.5  
0
1.5  
0
1.2  
1.5  
0
IoL  
Output current limitation  
1.5  
1.9  
1.5  
1.9  
1.2  
1.0  
1.3  
TC min TC max  
Vi nom, Io nom  
Switching  
Output  
25  
50  
60  
45  
50  
75  
45  
50  
80  
50  
55  
75  
frequency  
IEC/EN 61204  
BW = 20 MHz  
Vi min Vi max, Io nom  
Vi nom, Io = 0 – Io nom  
Vi nom  
Io nom 1/3 Io nom  
IEC/EN 61204  
Vi min Vi max  
Vo  
voltage  
mVpp  
noise  
Total  
29  
120  
120  
120  
Vo V Static line regulation  
Vo l Static load regulation  
Voltage  
40  
20  
40  
50  
40  
30  
80  
40  
80  
40  
120  
80  
90  
120  
100  
60  
mV  
µs  
Dynamic  
load  
Vo d  
50  
50  
50  
60  
200  
40  
300  
100  
deviation  
regulation  
td  
Recovery time  
Temperature coefficient  
Vo/∆TC (TC min TC max  
αVo  
±0.02  
±0.02  
±0.02  
±0.02 %/K  
)
Io = 0 – Io nom  
1
Models with option R, but without option Y, are adjusted to 108% of Vo nom. Models with option P are preadjusted to108% of Vo nom  
.
Vo  
vod  
Vo ±1ꢀ  
Vo ±1ꢀ  
vod  
td  
td  
t
Io/Io nom  
1
0.3  
0
10 µs  
10 µs  
t
05010a  
Fig. 3  
Switching regulator with long supply lines.  
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PSA/PSR Series  
Positive Switching Regulator  
Thermal Considerations  
When a switching regulator is located in free, quasi-stationary air (convection cooling) at a temperature TA = 71 °C and is operated  
at Io nom, the case temperature TC will be about 95°C after the warm-up phase, measured at the measuring point of case temperature  
TC; see Mechanical Data.  
Under practical operating conditions, TA may exceed 71 °C, provided that additional measures (heat sink, fan etc.) are taken to  
ensure that TC does not exceed TC max  
.
Io/Io nom  
Io/Io nom  
05031a  
05032a  
1.0  
0.ꢀ  
0.8  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
1.0  
0.ꢀ  
0.8  
forced  
cooling  
Forced  
cooling  
convection cooling  
0.7  
Convection cooling  
TC max  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0
TC max  
0
TA  
TA  
TA min  
40  
60  
70  
80 [°C]  
TA min  
50  
60  
70  
80  
ꢀ0  
°C  
50  
Fig. 4a  
Output current versus temperature (models -2)  
Fig. 4b  
Output current versus temperature (models -7 and -9)  
Output Protection and Short Circuit Behavior  
A voltage suppressor diode, which in worst case conditions fails into a short circuit, protects the output against an internally  
generated overvoltage. Such an overvoltage could occur due to a failure of either the control circuit or the switching transistor. The  
output protection is not designed to withstand externally applied overvoltages.  
A constant current limitation circuit holds the output current almost constant, when an overload or a short circuit is applied to the  
output. It acts self-protecting and recovers automatically after removal of the overload or short-circuit condition.  
Parallel and Series Connection  
Outputs of equal nominal voltages can be parallel-connected. However, the use of a single regulator with higher output power, is  
always the better solution.  
In parallel-connected operation, one or several outputs may operate continuously at their current limit knee-point which will cause  
an increase of the heat generation. Consequently, the max. ambient temperature should be reduced by 10 K.  
Outputs can be series-connected with any other regulator. In series-connection the maximum output current is limited by the lowest  
current limitation, but electrically separated source voltages are needed for each regulator.  
Vo/Vo nom  
05033a  
1.0  
0.8  
Io L  
0.6  
0.4  
0.2  
0
0.2  
0.4  
0.6  
0.8  
1.0  
1.2 Io/Io nom  
Fig. 5  
Overload and short-circuit behavior Vo versus Io  
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PSA/PSR Series  
Positive Switching Regulator  
Auxiliary Functions  
i Inhibit (Remote On/ Off)  
The inhibit input allows the switching regulator output to be disabled via a control signal. In systems with several converters, this  
feature can be used, for example, to control the activation sequence of the converters by a logic signal (TTL, C-MOS, etc.).  
No output voltage overshoot will occur at switch-on.  
Note: With open i-pin, the output is enabled.  
Iinh [mA]  
06010a  
0600ꢁa  
5
4
Vo+  
i
Vi+  
ꢀi–  
Iinh  
3
2
1
Vo on  
Vo off  
Vinh  
ꢀo–  
0
V
inh [V]  
-20  
-50  
-30  
-10  
0
-40  
10 20 30 40 50  
Fig. 6  
Fig. 7  
Typical inhibit current Iinh versus inhibit voltage Vinh  
Definition of Iinh and Vinh  
Table 4: Inhibit characteristics  
Vo/Vo nom  
1
06001  
Characteristics  
Conditions  
min typ max Unit  
Vinh Inhibit input Vo = on Vi min Vi max  
- 10  
+0.8  
+50  
V
0.1  
0
voltage  
Vo = off  
+2.4  
TC min TC max  
t
t
tf  
tr  
tr  
tf  
Switch-on time  
Switch-off time  
Vi = Vi nom  
2
4
ms  
RL = Vo nom / Io nom  
Inhibit  
1
Ii inh Input current when  
Vi = Vi nom  
10  
mA  
inhibited  
0
Fig. 8  
Output response as a function of inhibit signal  
LED Output Voltage Indicator  
A yellow LED indicator is illuminated, when the output voltage is present (not for -2 models).  
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PSA/PSR Series  
Positive Switching Regulator  
Electromagnetic Compatibility (EMC)  
Electromagnetic Immunity  
Table 8: Electromagnetic immunity type tests  
Phenomenon  
Standard  
Level Coupling mode  
Value  
applied  
Waveform  
Source Test procedure  
imped.  
In  
Perf.  
oper. crit.2  
Voltage surge3  
IEC 60571-1  
800 Vp  
1500 Vp  
3000 Vp  
4000 Vp  
7000 Vp  
6000 Vp  
4000 Vp  
20 V/m  
20 V/m  
10 V/m  
5 V/m  
100 µs  
50 µs  
5 µs  
1 positive and  
1 negative surge  
per coupling  
mode  
3
i/c, +i/i  
100 Ω  
yes  
yes  
yes  
B
B5  
A
1 µs  
100 ns  
3
4
Electrostatic  
discharge5  
IEC/EN  
61000-4-2  
3 3  
10 pos. & 10 neg.  
discharges  
contact discharge  
1/50 ns  
330 Ω  
2 4  
to case  
Electromagnetic IEC/EN  
field  
x
80 – 1000 MHz  
61000-4-3  
800 – 1000 MHz  
1400 – 2000 MHz  
2000 – 2500 MHz  
5100 – 6000 MHz  
antenna  
AM 80% / 1 kHz  
N/A  
3 V/m  
Electrical fast  
transients /  
burst5  
IEC/EN  
61000-4-4  
burstsof 5/50ns;  
5 kHz repet. rate;  
transients with 15 ms  
burst duration;  
3 3  
2 4  
2000 Vp  
1000 Vp  
60 s positive  
60 s negative  
transients per  
coupling mode  
i/c, +i/i  
50 Ω  
yes  
A 5  
300 ms period  
Surges5  
IEC/EN  
61000-4-5  
5 pos. & 5 neg.  
surges per  
coupling mode  
2 3  
2
+i/i  
+i/i  
1000 Vp  
1000 Vp  
2 Ω  
1.2 / 50 µs  
yes  
yes  
A 5  
A
42 Ω  
Conducted  
disturbances  
IEC/EN  
61000-4-6  
3 3  
2 4  
10 VAC 3  
3 VAC 4  
i, o, signal wires  
AM 80% / 1 kHz  
150 Ω 0.15 – 80 MHz  
1
i = input, o = output, c = case.  
2
3
4
A = Normal operation, no deviation from specifications, B = Normal operation, temporary loss of function or deviation from specs possible  
Not applicable for -2 models  
Valid for -2 models  
5
With the filters and input caps as specified in the foot notes of table 2  
Electromagnetic Emission  
For emission levels refer to Electrical Input Data.  
[dBmV]  
ꢀ0  
07012  
80  
EN 55022 A  
EN 55022 B  
70  
60  
50  
40  
30  
20  
10  
0
MHꢁ  
Fig. 9  
Typical disturbance voltage (quasi-peak) at the input as per EN 55011, measured at Vi nom, Io nom  
.
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PSA/PSR Series  
Positive Switching Regulator  
Immunity to Environmental Conditions  
Table 6: Mechanical and climatic stress  
Test method  
Standard  
Test Conditions  
Temperature:  
Status  
Cab Damp heat  
steady state  
IEC/EN 60068-2-78  
MIL-STD-810D section 507.2  
40±2 °C  
Regulator not  
operating  
Relative humidity:  
Duration:  
93+2/-3  
%
56 days  
Ea  
Fc  
Shock  
(half-sinusoidal)  
IEC/EN 60068-2-27  
MIL-STD-810D section 516.3  
Acceleration amplitude:  
Bump duration:  
50 gn = 490 m/s2  
Regulator  
operating  
11 ms  
Number of bumps:  
Acceleration amplitude:  
18 (3 in each direction)  
0.35 mm (10 – 60 Hz)  
5 gn = 49 m/s2 (60 - 2000 Hz)  
10 – 2000 Hz  
Vibration  
(sinusoidal)  
IEC/EN 60068-2-6  
MIL-STD-810D section 514.3  
Regulator  
operating  
Frequency (1 Oct/min):  
Test duration:  
7.5 h (2.5 h in each axis)  
Fda Random vibration  
wide band  
IEC/EN 60068-2-35  
DIN 40046 part 23  
Acceleration spectral density: 0.05 gn2/Hz  
Frequency band:  
Acceleration magnitude:  
Test duration:  
20 to 500 Hz  
Regulator  
operating  
Reproducibility high  
4.9 gn  
rms  
3 h (1 h in each axis)  
5 % (30°C)  
Kb  
Salt mist cyclic  
(sodium chloride  
NaCl solution)  
IEC/EN 60068-2-52  
Concentration:  
Duration:  
2 h per cycle  
Regulator not  
operating  
Storage:  
40°C, 93% rel. humidity  
22 h per cycle  
3
Storage duration:  
Number of cycles:  
Temperatures  
Table 7: Temperature specifications, valid for air pressure of 800 to 1200 hPa (800 to 1200 mbar)  
Temperature  
-2  
-7 (Option)  
typ  
-9 (Option)  
typ  
Unit  
Characteristics  
Conditions  
min  
- 10  
- 10  
- 25  
typ  
max  
50  
min  
- 25  
- 25  
- 40  
max  
71  
min  
- 40  
- 40  
- 55  
max  
TA  
TC  
TS  
1
Ambient temperature 1 Regulator operating  
71  
Case temperature  
80  
95  
95  
° C  
Storage temperature1 Not operational  
100  
100  
85  
See Thermal Considerations.  
Reliability  
Table 8: Typical MTBF and device hours  
MTBF  
Ground benign  
Ground fixed  
Ground mobile  
TC = 50 °C  
Device hours1  
Case temperature  
MTBF accord. to MIL-HDBK-217F  
TC = 40 °C  
TC = 40 °C  
TC = 70 °C  
789 000 h  
200 000 h  
104 000 h  
104 000 h  
5 100 000 h  
1
Statistical values, based on an average of 4300 working hours per year and in general field use  
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PSA/PSR Series  
Positive Switching Regulator  
Mechanical Data  
Dimensions in mm.  
20.5  
Potentiometer  
(option P)  
Yellow  
LED (not -2 models)  
18.7  
1.2  
6.3  
0ꢂ015b  
12.2  
ꢁo–  
Vo+  
i
R
ꢀ 4  
M2.5 Mounting  
screws  
ꢁi–  
Vi+  
2.7 ±0.2  
50.2 ±0.2  
Measuring point  
of case temperature  
min. 5  
European  
Projection  
2.8 x 0.5  
(1.0 x 0.5 option Y)  
Fig. 10a  
Case A01, weight 100 g,  
Aluminum, black anodized and self cooling  
20.5  
6.3  
18.7  
1.2  
0ꢀ016b  
i
Vo+ ꢁo–  
R
M2.5 mounting  
screws  
Vi+  
ꢁi–  
51.4  
Fig. 10  
Footprint. a = rectangular slots 3.0 mm x 0.7 mm (or 3.0 mm through-plated holes)  
For option Y preview through-plated holes with 1.3 to 1.5 mm for the pins and holes for two M 2.5 fastening screws.  
Notes:  
Pin i and pin R are only fitted if the regulator exhibits these options.  
To avoid short circuits with the board, you can use the isolation pad HZZ01203-G; see Accessories.  
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PSA/PSR Series  
Positive Switching Regulator  
Safety and Installation Instructions  
Installation Instruction  
Installation must strictly follow the national safety regulations in compliance with the enclosure, mounting, creepage, clearance,  
casualty, markings and segregation requirements of the end-use application.  
Check for hazardous voltages before connecting.  
The input and the output circuit are not separated, i.e. the negative path is internally interconnected.  
Do not open the regulator !  
Ensure that a regulator failure (e.g. by an internal short-circuit) does not result in a hazardous condition.  
Cleaning Liquids  
In order to avoid possible damage, any penetration of cleaning fluids must be prevented, since the power supplies are not  
hermetically sealed.  
Protection Degree  
The protection degree is IP 30 (IP 20, if equipped with option P). It applies only if the regulator is soldered to the mother board.  
Standards and Approvals  
All switching regulators have been approved according to the latest edition of IEC/EN60950-1 and UL/CSA60950-1  
The regulators have been evaluated for:  
• Building in  
• The use in a pollution degree 2 environment  
• Connecting the input to a secondary circuit, which is subject to a maximum transient rating of 1500 V.  
The switching regulators are subject to manufacturing surveillance in accordance with the above mentioned standards and with  
ISO 9001:2015.  
Isolation  
Electric strength test voltage between input connected with output against case: 1500 VDC, 1 s (for some PSA/PSR models only  
with version V103 or higher).  
These tests are performed in the factory as routine test in accordance with EN 50514 and EN 60950.  
Railway Application  
The regulators have been developed observing the railway standards EN 50155 and EN 50121. All boards are coated with a  
protective lacquer.  
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PSA/PSR Series  
Positive Switching Regulator  
Description of Options  
-9 Extended Temperature Range  
This option defines an extended temperature range as specified in table 7.  
R
Control (Output Voltage Adjust)  
Note: With open R input, Vo Vo nom  
.
JM078  
Vi+  
Vo+  
R
Rext2  
Vref = 2.5 V  
4 k  
+
+
Control  
logic  
Vext  
Rext1  
ꢀi–  
ꢀo–  
Fig. 11  
Voltage adjustment via R-input  
The output voltage Vo can either be adjusted with an external voltage source (Vext) or with an external resistor (R1 or R2). The  
adjustment range is 0 – 108% of Vo nom. The minimum differential voltage Vio min between input and output (see Electrical Input  
Data) should be maintained.  
a) Vo = 0 – Vo max, using Vext between pins R and Go–:  
Vo  
Vext  
_____  
_____  
Vext 2.5 V •  
Vo Vo nom •  
Vo nom  
2.5 V  
Caution: To prevent damage, Vext should not exceed 20 V, nor be negative.  
b) Vo = 0 to Vo nom, using Rext1 between pins R and Go–:  
4000 Ω • Vo  
Vo nom Rext1  
__________  
____________  
Rext1  
Vo ≈  
Vo nom Vo  
Rext1 + 4000 Ω  
c) Vo = Vo nom to Vo max, using Rext2 between pins R and Go–:  
4000 Ω • Vo • (Vo nom – 2.5 V)  
_______________________  
Rext2  
2.5 V • (Vo – Vo nom)  
Vo nom • 2.5 V • Rext2  
__________________________________  
Vo ≈  
2.5 V • (Rext2 + 4000 Ω) Vo nom • 4000 Ω  
Caution: To prevent damage, Rext2 should never be less than 47 k.  
Note: With option R, the ouput voltage Vo is adjusted to 108% of Vo nom, if the regulator doesn’t have option Y in addition.  
P
Potentiometer  
Option P excludes R function; the R-input (pin 16) should be left open-circuit. The output voltage Vo can be adjusted in the range  
90 – 108% of Vo nom  
.
However, the minimum differential voltage Viomin between input and output specified in Electrical Input Data must be observed.  
Note: Option P is not recommended, if several regulators are operated in parallel connection.  
Y
Solder Pins  
Models with rectangular pins 1.0 × 0.5 mm (length 6.5 mm). Such regulators can be fitted to PCB boards (through-plated holes  
with 1.3 to 1.5 mm).  
G
RoHS Compliance  
Models with G are RoHS-compliant for all six substances.  
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PSA/PSR Series  
Positive Switching Regulator  
Accessories  
A variety of electrical and mechanical accessories are available including:  
Filters and ring core chockes for ripple and interference reduction; see table 9.  
Tags and isolation pads for easy and safe PCB-mounting  
Adapters for chassis and DIN-rail mounting  
Isolation Pads for PCB Mounting  
In applications, where PCB mounting converters are placed on top of double sided boards, the use of an isolation pad is  
recommended. This fibre foil avoids short circuits and provide excellent protection against possible damage to tracks.  
50  
25  
20.5  
6.3  
18.7  
1.2  
JM105  
Fig. 12  
Isolation pad HZZ01203-G (ISOLATIONA,A01); 0.3 mm thick  
Input filters  
Different input filters are available; see table 9.  
Table 9: Input filters FP. TA = 25°C unless otherwise specified  
Characteristics  
Conditions  
FP 382  
FP 80  
FP 144  
Unit  
min  
typ  
max  
min  
typ  
max  
min  
typ  
max  
IFn  
VFn  
RF  
Lo  
Rated current1  
L= 0.75 Lo  
4
4
2
A
Rated voltage  
TC min TC max  
5
40  
22  
5
80  
22  
15  
90  
144  
100  
112  
95  
VDC  
mΩ  
µH  
Ohmic resistance  
No load inductance  
Ambient temperature  
Case temperature  
Storage temperature  
18  
20  
34  
18  
20  
34  
95  
IL = 0, TC min TC max  
IF = IFn  
30  
38  
30  
38  
88  
100  
TA  
TC  
TS  
- 40  
- 40  
- 40  
80  
- 40  
- 40  
- 40  
80  
- 40  
- 40  
- 55  
92  
92  
98  
° C  
Not operational  
100  
100  
100  
1
2
2
2
For currents IF > 4 A the following derating takes place: TA max = 100 – 1.3 • IF [°C], TC max = 100 – 0.49 • IF [°C].  
FP 38 is obsolete.  
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PSA/PSR Series  
Positive Switching Regulator  
16.6 ±1  
6.8 ±1  
25 ±0.5  
12016a  
4
3
positioning  
pin  
min. 4.5  
1
2
Fig. 13  
Different filters  
positioning  
pin  
4
JM07ꢁ  
3.22 ±0.5  
1
(3.22)  
5.08 5.08  
2
FP filter  
3
1
Vo+  
Vi+  
Vi  
PSA/PSR  
RL  
Vo  
ꢀo–  
ꢀi–  
Fig. 14  
Connection of the FP filter  
Fig. 15  
Mechanical data of the FP filter. Weight approx. 30 g  
Mounting Supports  
Different mounting supports for DIN-rail and chassis mountig are described in the Mounting Supports data sheet on our web site.  
They also allow for fitting additional components.  
Fig. 16  
Adapter for chassis mounting  
For additional accessory product information, see the accessory data sheets listed with each product series at our web site.  
NUCLEAR AND MEDICAL APPLICATIONS - These products are not designed or intended for use as critical components in life support systems,  
equipment used in hazardous environments, or nuclear control systems.  
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the  
date manufactured. Specifications are subject to change without notice.  
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