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PS50-12S05 [ETC]

High Density DC-DC Modules; 高密度的DC-DC模块
PS50-12S05
型号： PS50-12S05
厂家： ETC    ETC
描述：

High Density DC-DC Modules
高密度的DC-DC模块
文件： 总4页 (文件大小：266K)
中文：  中文翻译
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High Density DC-DC Modules  
www.powersolve.co.uk  
PS50 Series  
25 to 50 Watt Wide Input  
DC-DC Converters  
Single Output  
Features  
• 25W/50W Isolated Output  
• Efficiency to 85%  
• 300KHz Switching Frequency  
• 2 : 1 Input Range  
• Regulated Outputs  
• Continuous Short Circuit Protection  
• Five-Sided Metal Case  
Only for Nominal Input Voltage 24 & 48 VDC  
MODEL  
INPUT  
VOLTAGE  
OUTPUT  
VOLTAGE  
OUTPUT  
CURRENT  
INPUT CURRENT  
%EFF  
NO LOAD  
FULL LOAD  
PS50-12S25  
PS50-12S33  
PS50-12S05  
PS50-12S12  
PS50-12S15  
PS50-12S24  
PS50-24S25  
PS50-24S33  
PS50-24S05  
PS50-24S12  
PS50-24S15  
PS50-24S24  
PS50-48S25  
PS50-48S33  
PS50-48S05  
PS50-48S12  
PS50-48S15  
PS50-48S24  
2.5 VDC  
3.3 VDC  
5 VDC  
10 A  
10 A  
2740 mA  
76  
78  
81  
84  
84  
84  
77  
79  
82  
85  
85  
86  
77  
79  
83  
85  
85  
86  
3525 mA  
5145 mA  
4950 mA  
4950 mA  
4950 mA  
1353 mA  
1740 mA  
2540 mA  
2450 mA  
2450 mA  
2419 mA  
676 mA  
10 A  
9-18VDC  
18-36VDC  
36-75VDC  
50 mA  
12 VDC  
15 VDC  
24 VDC  
2.5 VDC  
3.3 VDC  
5 VDC  
4.16 A  
3.33 A  
2.08 A  
10 A  
10 A  
10 A  
50 mA  
12 VDC  
15 VDC  
24 VDC  
2.5 VDC  
3.3 VDC  
5 VDC  
4.16 A  
3.33 A  
2.08 A  
10 A  
10 A  
870 mA  
10 A  
1250 mA  
1220 mA  
1220 mA  
1209 mA  
50 mA  
12 VDC  
15 VDC  
24 VDC  
4.16 A  
3.33 A  
2.08 A  
NOTE: 1. Nominal Input Voltage 12, 24 & 48 VDC  
1
Powersolve Electronics Ltd, Units 8, 9 and 12 The Paddock, Hambridge Road, Newbury, Berks RG14 5TQ  
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk  
High Density DC-DC Modules  
www.powersolve.co.uk  
Electrical Specification  
INPUT  
Input Voltage Range  
12V  
24V  
48V  
9-18V  
18-36V  
36-75V  
8.8V  
Undervoltage lockout  
12Vin power up  
power down  
24Vin power up  
power down  
48Vin power up  
power down  
8V  
17V  
16V  
34V  
32.5V  
3.4  
Positive Logic Remote ON/OFF  
Input Filter  
Pi Type  
OUTPUT  
Voltage Accuracy :  
Transient Response : 25% Step Load Change  
External Trim Adj. Range  
+1% max.  
<500μsec.  
+10%  
Ripple & Noise, 20MHz BW,  
2.5V & 3.3V & 5V  
12V & 15V  
24V  
20mV RMS., max. 75mV pk-pk, max.  
30mV RMS., max. 100mV pk-pk, max.  
100mV RMS., max. 240mV pk-pk, max.  
ENVIRONMENTAL  
Temperature Coefficient  
+0.03%/°C  
Continuous  
+0.2% max.  
Short Circuit Protection  
1
Line Regulation  
2
Load Regulation  
+0.2% max.  
Over Voltage Protection trip Range, % Vo nom.  
115-140%  
Current Limit  
110% ~150% Nominal Output  
GENERAL  
Efficiency  
Isolation Voltage  
See Table  
1500VDC min.  
1500VDC min.  
1500VDC min.  
10 ohm min.  
400KHz, Typ.  
300KHz, Typ.  
Input/Output  
Input/Case  
Output/Case  
7
Isolation Resistance  
Switching Frequency  
12/24Vin  
48Vin  
Operating case Temperature  
Storage Temperature  
Thermal Shutdown, Case Temp.  
Dimensions  
-40°C to 100°C  
-55°C to +105°C  
100°C Typ.  
2.28x2.40x0.50 inches  
(57.9x61.0x12.7 mm)  
Aluminium  
Case Material  
NOTE:  
1. Measured From High Line to Low Line. 2. Measured From Full Load to Zero Load. 3. Logic Compatibility - Open Collector Ref. to -Input,  
Module ON - Open Circuit, Module OFF - < 0.8Vdc 4. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF.  
All Dimensions In Inches(mm)  
Pin  
Pin Connection  
Tolerances  
Inches  
Millimeters  
.XX +.02  
.X+.5  
.XXX+.01  
.XX+.25  
+0.02  
+0.5  
External Output Trim  
Pin  
1
Function  
+Vin  
+SENSE (8)  
+SENSE (8)  
TRIM (7)  
0.18 min.  
(4.60  
Mounting Inserts  
)
M3*0.5 Through 4pl.  
2*R1.50  
BOTTOM VIEW  
TRIM DOWN  
2
ON/OFF  
CASE  
-Vin  
10K ohms  
TRIMPOT  
TRIM (7)  
3
4
3
5
4
TRIM UP  
Ø0.08  
(2.03)  
2pl.  
1.40  
(35.56)  
0.60  
6
7
8
5
-Vout  
-SENSE (6)  
-SENSE (6)  
2.40  
(61.00)  
(15.24)  
6
-Sense  
Trim  
2.00  
2
1
(50.80)  
7
Ø0.04  
(1.02)  
7pl.  
9
8
+Sense  
+Vout  
9
1.90  
(48.25)  
2.28  
(57.90)  
0.50  
(12.70)  
SIDE VIEW  
Remote ON/OFF Control  
+SENSE (8)  
ON/OFF (2)  
TRIM DOWN  
TRIM (7)  
HIGH SIGNAL HERE  
DISABLE OUTPUT  
TRIM UP  
-VIN (4)  
All Specifications Typical At Nominal Line, Full Load and 25°C Unless Otherwise Noted.  
2
-SENSE (6)  
Powersolve Electronics Ltd, Units 8, 9 and 12 The Paddock, Hambridge Road, Newbury, Berks RG14 5TQ  
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk  
High Density DC-DC Modules  
www.powersolve.co.uk  
Application Note  
Derating:  
The operating case temperature range of the PS50 series is -40°C to +100°C. When operating the PS50 series,  
proper derating or cooling is needed.  
The following curve is the derating curve of a PS50 without heat sink.  
Power Dissipated vs Ambient Temperature and Air Flow  
50  
Natural Convection  
20 ft./min. (0.1 m/s)  
100 ft./min. (0.5 m/s)  
45  
40  
200 ft./min. (1.0 m/s)  
300 ft./min. ( 1.5 m/s)  
35  
30  
25  
20  
15  
400 ft./min. (2.0 m/s)  
500 ft./min. (2.5 m/s)  
600 ft./min. (3.0 m/s)  
700 ft./min. (3.5 m/s)  
800 ft./min. (4.0 m/s)  
10  
5
0
60  
40  
50  
70  
80  
90  
0
100  
30  
10  
20  
Ambient Temperature, Ta(Deg. C)  
Forced Convection Power Derating without Heat Sink  
Where:  
The power dissipation (Pd):  
Pd = Pi - Po = Po (1-n) /n  
The thermal resistance are listed below:  
Chart of Thermal Resistance vs Air Flow:  
AIR FLOW RATE  
TYPICAL Rca  
7.12 °C/W  
6.21 °C/W  
5.17 °C/W  
4.29 °C/W  
3.64 °C/W  
2.96 °C/W  
2.53 °C/W  
2.37 °C/W  
2.19 °C/W  
Natural Convection 20ft./min. (0.1m/s)  
100 ft./min. (0.5m/s)  
200 ft./min. (1.0m/s)  
300 ft./min. (1.5m/s)  
400 ft./min. (2.0m/s)  
500 ft./min. (2.5m/s)  
600 ft./min. (3.0m/s)  
700 ft./min. (3.5m/s)  
800 ft./min. (4.0m/s)  
The temperature rise ( T ):  
T = Pd * Rca  
3
Powersolve Electronics Ltd, Units 8, 9 and 12 The Paddock, Hambridge Road, Newbury, Berks RG14 5TQ  
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk  
High Density DC-DC Modules  
www.powersolve.co.uk  
Remote ON/OFF Control  
The PS50 series allows the user to switch the module on and off electronically with remote on/off feature. The PS50  
series are available with "positive logic" or "negative logic" (option).  
Logic Table  
ON/OFF (2)  
Logic State  
Negative Logic  
Module on  
Positive Logic  
(Pin 2)  
Logic Low -  
Switch Closed  
Module off  
Module on  
HIGH SIGNAL HERE  
DISABLE OUTPUT  
Logic High -  
Switch Open  
-VIN (4)  
Module off  
External Output Trimming  
Output may optionally be externally trimmed (+10%) with a fixed resistor or an external trimpot as shown.  
+SENSE (8)  
+SENSE (8)  
TRIM DOWN  
10K ohms  
TRIMPOT  
TRIM (7)  
TRIM (7)  
TRIM UP  
-SENSE (6)  
-SENSE (6)  
External Output  
Output Noise  
The output noise is measured with 10μF tantalum capacitor and 1.0μF ceramic capacitor across output.  
+Vout (9)  
Ceramic  
1.0µF  
Resistor  
Load  
To  
Solid Tantalum  
Scope  
10µF  
-Vout (5)  
Output Noise Test Circuit schematic  
All Specifications Typical At Nominal Line, Full Load and 25°C Unless Otherwise Noted.  
4
Powersolve Electronics Ltd, Units 8, 9 and 12 The Paddock, Hambridge Road, Newbury, Berks RG14 5TQ  
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk  

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