BTA05-05S30D [BELLNIX]

The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter;
BTA05-05S30D
型号: BTA05-05S30D
厂家: Bellnix    Bellnix
描述:

The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter

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中文:  中文翻译
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The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
BTA series is a thin, high efficiency, low noise isolated DC-DC converter.  
Contrived to adopt new circuit to achieve miniaturization. Circuit construction is high-efficiency and simple.  
Adjustable output voltage and remote ON/OFF control has been added as a new function.  
<Features>  
-MTTF 2,000,000 Hrs  
-Adjustable Output Voltage  
-Metallic Shield Cover  
-Remote ON/OFF Control  
-Halogen-Free PCB Used  
-Dual Power Supply usable as Single Power Supply  
-Isolation Voltage AC500V  
-Between Primary and Secondary combination  
capacitance approx. 60 to 140pF  
-Operating Temp. Range -40°C to 85°C  
(Temp. Derating required)  
-Built-in over-Current Protection  
-Built-in Low Input Voltage Protection  
-Built-in Over Input Current Protection element  
-No electrolytic Capacitor, No Tantalum Capacitor  
-RoHS Compliance  
<Model, Rating>  
Table 1  
Input V  
Vdc  
Output V  
Vdc  
Output I  
mA  
Line Reg. Load Reg.  
Noise  
Efficiency  
%(typ.)  
Model  
mV(max.) mV(max.) mVpp(typ.)  
3.3  
5
0 to 400  
0 to 300  
71  
77  
80  
79  
73  
78  
82  
81  
72  
77  
81  
79  
70  
75  
80  
79  
BTA05-03S40  
BTA05-05S30□  
BTA05-12S12□  
BTA05-12W06□  
BTA12-03S40□  
BTA12-05S30□  
BTA12-12S12□  
BTA12-12W06□  
BTA24-03S40□  
BTA24-05S30□  
BTA24-12S12□  
BTA24-12W06□  
BTA48-03S40□  
BTA48-05S30□  
BTA48-12S12□  
BTA48-12W06□  
20  
40  
40  
30  
40  
30  
40  
30  
40  
30  
4.5 to 9  
9 to 18  
12(15)  
±12(±15)  
3.3  
0 to 125 (100)  
0 to 60 (50)  
0 to 400  
40  
80  
100  
600  
20  
40  
5
0 to 300  
12(15)  
±12(±15)  
3.3  
0 to 125 (100)  
0 to 60 (50)  
0 to 400  
40  
80  
100  
600  
20  
40  
5
0 to 300  
18 to 36  
12(15)  
±12(±15)  
3.3  
0 to 125 (100)  
0 to 60 (50)  
0 to 400  
40  
80  
100  
600  
20  
40  
5
0 to 300  
36 to 76  
12(15)  
0 to 125 (100)  
40  
80  
100  
600  
±12(±15)  
0 to 60 (50)  
Note1 : Specify the type in the column of the model name. D:DIP type, S:SMD type  
Ex.) DIP type: BTA05-03S40D, SMD type: BTA05-03S40S  
Note2 : The Output voltage inside () is when it is short between Vadj and –Vout.  
Note3 : The output current inside () is when adjusted to the max. output voltage.  
1
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
<Specification>  
Table2  
Input Voltage Range  
Refer to Table 1  
Rating Output Voltage  
Adjustable Output Voltage  
Range  
3.3V±3%, 5V±3%, 12V±3%, ±12V±5% (Vadj pin at open)  
3.15 to 3.6V (For 3.3V), 4.75 to 6.0V (For 5V), 11.4 to 15V (For 12V), ±11.4 to ±15V (For 12V)  
Line Regulation  
Please refer to Table1 (rating Output, for the regulation of Input Voltage Range of Table1)  
Refer to table1 (Rating Input/Output Voltage, for the regulation of load 0 to 100% (±Output is  
when load is at balance))  
Load Regulation  
80mV max. (For 3.3V, 5V), 200mV max. (For 12V), 300mV max. (For ±12V)  
(Input/Output rating, For operating temp. -40°C to 50°C)  
Refer to Table 1 (Rating Input/Output, At room temp, 20MHz bandwidth)  
Temp. Regulation  
Ripple/Noise  
Efficiency  
70% to 82% typ. (Rating Input/Output, At room temp., Refer to table 1)  
Operates at 105% or more rating load current, auto recovery type. Avoid long time short-circuit  
Condition.  
Over Current Protection  
Circuit  
Over Voltage Protection  
Circuit  
None  
Low Input Voltage  
Protection  
Available (Refer to p.11)  
Built-in fuse in the input (refer to p.12)  
Over Input Current  
Protection  
Between 2pin (ON/OFF) and -3pin (Vin) : Output goes OFF at open, Output goes ON when in  
short. (Refer to p.9)  
Remote ON/OFF  
Stand by Current  
Isolation Voltage  
0.6 to 2.4mA typ. (Depend on the model)  
InputOutputInputCase, OutputCase AC500V 1min.  
Isolation resistance  
Primary-Secondary  
capacitance  
InputOutputInputCase, OutputCase Over 50Mat DC500V.  
Approx. 60 to 140pF (Depend on the model)  
Operating Temp. Range  
Operating Temp. -40°C to 85°C (Need temp. derating from 50°C)  
Storage Temp.-40°C to 85°C  
Storage Temp. Range  
Humidity Range  
Cooling Condition  
Vibration  
Humidity range 95%R.H. max. (Max. wet bulb 38°C, non-condensing)  
Air Convention (Set in a place where good convection is ensured)  
10 to 55Hz All amplitude 1.52mmp-p (2 hours in each orthogonal axes), Scanning time 15min.  
Acceleration 100G (3directions, 3times each, 18times in total), Persistent time 6ms  
3.2g typ.  
DIP type W=16.6 L=16.8 H=8.4 typ. (mm) (For detail dimensions, refer to the outline on p.7)  
SMD type W=16.6 L=19.8 H=8.5 typ.(mm) (For detail dimensions, refer to the outline on p.7)  
Shock  
Weight  
Outline  
NOTE : Unless condition is specified, above specification is regulated as rating value.  
2
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
1- Application Range  
This datasheet applies to the isolated DC/DC converter, BTA series.  
2- Model/Rating  
Rating Input  
Model  
Rating Output  
Package  
Voltage  
BTA05-03S40D  
BTA05-03S40S  
BTA05-05S30D  
BTA05-05S30S  
BTA05-12S12D  
BTA05-12S12S  
BTA05-12W06D  
BTA05-12W06S  
BTA12-03S40D  
BTA12-03S40S  
BTA12-05S30D  
BTA12-05S30S  
BTA12-12S12D  
BTA12-12S12S  
BTA12-12W06D  
BTA12-12W06S  
BTA24-03S40D  
BTA24-03S40S  
BTA24-05S30D  
DIP  
SMD  
DIP  
3.3V, 400mA  
5.0V, 300mA  
12V, 125mA  
SMD  
DIP  
DC5V  
SMD  
DIP  
±12V, each60mA  
3.3V, 400mA  
5.0V, 300mA  
12V, 125mA  
SMD  
DIP  
SMD  
DIP  
SMD  
DIP  
DC12V  
DC24V  
DC48V  
SMD  
DIP  
±12V, each60mA  
3.3V, 400mA  
SMD  
DIP  
SMD  
DIP  
5.0V, 300mA  
12V, 125mA  
BTA24-05S30S  
BTA24-12S12D  
BTA24-12S12S  
SMD  
DIP  
SMD  
BTA24-12W06D  
BTA24-12W06S  
BTA48-03S40D  
BTA48-03S40S  
BTA48-05S30D  
BTA48-05S30S  
BTA48-12S12D  
BTA48-12S12S  
BTA48-12W06D  
BTA48-12W06S  
DIP  
SMD  
DIP  
±12V, each60mA  
3.3V, 400mA  
SMD  
DIP  
5.0V, 300mA  
SMD  
DIP  
12V, 125mA  
SMD  
DIP  
±12V, each60mA  
SMD  
3- Environmental Condition  
3-1 Temp. range  
When Operating : 40°C to 85°C (Derating required from 50°C)  
When Storage : 40°C to 85°C  
3-2 Humidity Range  
When Operating : 95%R.H. max. (Max. wet-bulb temp. 38°C, non-condensing)  
When storage : 95%R.H. max. (Max. wet-bulb temp. 38°C, non-condensing)  
3
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
4-Specification  
4-1 Input Condition, Output Characteristics  
When condition is not mentioned in this data sheet, input is rating input, output is rating output,  
ambient temp. is 25°C±5°C.  
Max. Output Voltage  
Input  
Voltage  
(V)  
Output  
Voltage  
*2 (V) *2  
Output  
Current  
(mA)  
Output  
Constancy.  
Efficiency  
(%)typ. *6  
Model *1  
Ripple/Noise *5  
(mVp-p)typ./ max.  
Input(m Load(m Temp.  
V)  
20  
20  
40  
40  
80  
80  
20  
20  
40  
40  
80  
80  
20  
20  
40  
40  
80  
80  
20  
20  
40  
40  
80  
80  
V)  
40  
*4 (mV)  
80  
BTA05-03S40□  
BTA05-05S30□  
3.3±3%  
5.0±3%  
12±3%  
15±3%  
0 to 400  
0 to 300  
0 to 125  
0 to 100  
40 / 120  
40 / 120  
30 / 120  
30 / 120  
30 / 120  
30 / 120  
40 / 120  
40 / 120  
30 / 120  
30 / 120  
30 / 120  
30 / 120  
40 / 120  
40 / 120  
30 / 120  
30 / 120  
30 / 120  
30 / 120  
40 / 120  
40 / 120  
30 / 120  
30 / 120  
30 / 120  
30 / 120  
71  
77  
80  
80  
79  
79  
73  
78  
82  
82  
81  
81  
72  
77  
81  
81  
79  
79  
70  
75  
80  
80  
79  
79  
40  
80  
100  
100  
600  
600  
40  
200  
200  
300  
300  
80  
BTA05-12S12□  
BTA05-12W06□  
4.5 to 9  
±12±5% 0 to 60 × 2  
±15±5% 0 to 50 × 2  
BTA12-03S40□  
BTA12-05S30□  
3.3±3%  
5.0±3%  
12±3%  
15±3%  
0 to 400  
0 to 300  
0 to 125  
0 to 100  
40  
80  
100  
100  
600  
600  
40  
200  
200  
300  
300  
80  
BTA12-12S12□  
BTA12-12W06□  
9 to 18  
±12±5% 0 to 60 × 2  
±15±5% 0 to 50 × 2  
BTA24-03S40□  
BTA24-05S30□  
3.3±3%  
5.0±3%  
12±3%  
15±3%  
0 to 400  
0 to 300  
0 to 125  
0 to 100  
40  
80  
100  
100  
600  
600  
40  
200  
200  
300  
300  
80  
BTA24-12S12□  
BTA24-12W06□  
18 to 36  
36 to 76  
±12±5% 0 to 60 × 2  
±15±5% 0 to 50 × 2  
BTA48-03S40□  
BTA48-05S30□  
3.3±3%  
5.0±3%  
12±3%  
15±3%  
0 to 400  
0 to 300  
0 to 125  
0 to 100  
40  
80  
100  
100  
600  
600  
200  
200  
300  
300  
BTA48-12S12□  
±12±5% 0 to 60 × 2  
±15±5% 0 to 50 × 2  
BTA48-12W06□  
*1 Specify the package in column. D: DIP type(Flow)S: SMD type(Reflow)  
*2 Output Voltage includes line regulation, load  
regulation(Balance Load), temp. regulation.  
*3 2 output type is when 2 output type has same current.  
*4 For temp. regulation –40 to 50°C.  
*5 Bandwidth 20MHz  
*6 When Rating Input Voltage, max. Output Current.  
4
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
4-2 Capacity of External Capacitor  
This product has limit to the capacity of external capacitor. Please refer to the below table.  
Output External Capacitor  
Capacity  
Model  
+output side  
0 to 100µF *1  
0 to 100µF *1  
0 to 47µF *1  
-output side  
BTAXX-03SXXX  
BTAXX-05SXXX  
BTAXX-12SXXX  
BTAXX-12WXXX  
0 to 22µF *2  
0 to 22µF *3  
*1 Sum of C2 and C3 in standard connecting circuit in section6,1  
*2 Sum of C2 and C4 in standard connecting circuit in section 6,2  
*3 Sum of C3 and C5 in standard connecting circuit in section 6,2  
4-3 Temp. Derating  
Air Convection  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
-40  
-30  
-20  
-10  
0
10 20 30 40 50 60 70 80 90  
Ambient Temp.(  
)
5
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
4-4 Measurement Circuit  
+Vin  
+Vout  
Vadj  
1
2
3
7
6
5
A
A
SW1  
Open = Output OFF  
Short = Output ON  
Vin  
C1  
BTA-S Series  
ON/OFF  
SW1  
+
SW2  
Open: Vout = 3.3V, 5V, 12V  
Short: Vout = 3.3V 3.6V  
= 5V 6V  
= 12V 15V  
Load  
V
V
SW2  
-
Vin  
-
Vout  
C1: 0.1μF (Multilayer Ceramic Capacitor)  
+Vin  
+Vout  
C2  
1
2
3
7
5
4
A
A
Load  
SW3  
V
V
Open = Output OFF  
Vin  
BTA-W Series  
6
ON/OFF  
SW3  
+
Short = Output ON  
V
C3  
SW4  
Open: Vout =  
Short: Vout =  
Load  
±
±
12V  
15V  
A
-
Vin  
-
Vout  
Vadj  
SW4  
C2, C3: 0.1  
μ
F (Multilayer Ceramic Capacitor)  
Oscilloscpe  
(Measuring  
C4  
Coaxes cable: 50  
R1: 51  
C4: 0.1  
Ω, 1.5m  
Ripple/Noise)  
Ω
R1  
μF  
4-5 Additional Function  
Article  
Specification/Standarization  
Condition  
Over Current  
Operates above 105%,  
Protection Circuit  
Over Voltage  
Auto-recovery type  
None  
Protection Circuit  
Low Input Voltage  
Protection Function  
Output Voltage  
Adjustable Range  
Available  
3.15 to 3.6V(BTAXX-03SXXX)  
4.75 to 6.0V(BTAXX-05SXXX)  
11.4 to 15V(BTAXX-12SXXX)  
±11.4 to ±15V(BTAXX-12WXXX)  
By External Resistor.  
Refer to 7-2  
ON/OFF Control  
Refer to 7-1  
Output ON at Low(00.4V)  
Output OFF at open  
4-6 Isolation VoltageIsolation Resistance  
1- Isolation Voltage  
Input - OutputInput - CaseOutput - Case : AC500V1min.  
2- Isolation Resistance  
Input - OutputInput - CaseOutput - Case : Over 50MΩ(At DC500V)  
6
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
5. Outline and Pin  
5-1 DIP type  
1- Outline  
17.1 max.(16.6 typ.)  
17.3 max.  
t=0.3  
12.7  
(1.905)  
(1.905)  
16.51 typ.  
2.7  
No.8,  
9
1
8
1 4  
3
2
1.0  
5
No.10,1  
1
7-0.3 0.6  
6
1
2.7  
7
9
1
0
The outline of the 8 to 11pin is the  
figure where each pin is viewed  
from the front side of each pin.  
Bottom View  
Dimensions : mm  
Tolerance unless otherwise specified±0.5  
Model name and Manufacturing LOT no. is indicated on upper side.  
2- Recommended dimension of the boardPin function  
1.905  
12.7  
Function  
10  
9
Pin  
BTA-S  
BTA-W  
+Vin  
1
7
6
1
2
3
4
5
6
7
+Vin  
ON/OFF  
Vin  
NC  
Vout  
Upper surface patten is  
prohibited due to stand  
offs  
ON/OFF  
Vin  
Vout  
Common  
Vadj  
7- 1.0  
φ
2
3
5
4
2- 1.5  
φ
Vadj  
+Vout  
8
11  
+Vout  
16.51  
Connected to  
Case  
Connected to  
Case  
8, 9  
Top View  
Dimensions : mm  
10, 11  
Stand off  
Stand off  
7
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
5-2 SMD type  
1-Outline  
17.1 max.(16.6 typ.)  
17.3 max.  
t=0.3  
1.8  
1.8  
0.6  
19.81  
Smoothness below0.15  
3
4
2
5
6
7
1
Dimension : mm  
Tolerance without otherwise specified : ±0.5  
Bottom View  
Model name and Manufacturing LOT no. is indicated on upper side.  
2- Recommended dimension of the boardPin function  
Function  
Pin  
BTA-S  
+Vin  
ON/OFF  
Vin  
NC  
Vout  
Vadj  
BTA-W  
+Vin  
ON/OFF  
Vin  
Vout  
Common  
Vadj  
1
7
6
Upper Surface  
1
2
3
4
5
6
7
pattern is prohibited  
because case is near  
2
3
5
4
3.2  
15.6  
22.0  
3.2  
+Vout  
+Vout  
Top View  
Dimension : mm  
8
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
6. Standard Connection Circuit  
1-BTA-S Series  
+Vin  
C1  
+Vout  
C2  
1
7
+Vin  
C3  
Load  
BTA-S  
Series  
-Vin  
3
2
SW2  
-Vout  
5
6
SW1  
Open: Vout = 3.3V, 5V, 12V  
SW1  
Open = Output OFF  
Short = Output ON  
Short: Vout = 3.3V  
= 5V  
= 12V  
3.6V  
6V  
15V  
SW2  
ON/OFF  
Vadj  
C1: 4.7  
C2: 4.7  
C3: 0.47  
μ
μ
F
F
F
μ
2-BTA-W Series  
+Vout  
C2  
+Vin  
C1  
7
1
C4  
C5  
Load  
+Vin  
Common  
Load  
5
4
6
BTA-W  
Series  
-Vin  
C3  
3
2
-Vout  
SW1  
ON/OFF  
SW1  
Open = Output OFF  
Short = Output ON  
SW2  
SW2  
Open: Vout = ±12V  
Short: Vout = ±15V  
Vadj  
C1:  
C2, C3: 4.7  
4.7  
μ
F
F
μ
C4, C5: 0.47 F  
μ
7. Function±  
7-1 ON/OFF Control  
By using ON/OFF Control, output voltage can be ON/OFF controlled without charging or discharging input.  
Between Vin pin (Pin3) and ON/OFF pin (Pin2)  
Low (0 - 0.4V 1mA max.) : Output ON  
Open (Max. +Vin voltage will generate) : Output OFF  
+Vin  
1
ON/OFF  
2
or  
3
-Vin  
9
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
7-2 Adjustable Output Voltage  
Output voltage can be set as follow when Vadj pin and Vout pin is short.  
Please open this pin when not adjusting the output voltage.  
Output voltage to connection of Vadj pin  
Vout and  
Short  
3.6V  
Model  
Open  
BTAXX-03SXXX  
BTAXX-05SXXX  
BTAXX-12SXXX  
BTAXX-12WXXX  
3.3V  
5.0V  
12V  
6.0V  
15V  
±12V  
±15V  
Output voltage is adjustable by connecting resistor between Vadj pin and +Vout pin. (Or between Vadj pin and  
Vout pin)  
Note : When adjusting the output voltage, please operate below max. power  
7-2-1 To lower the output voltage  
Output voltage can be lowered by connecting resistor Rb between Adjustable Output Pin (Vadj) and Plus Output  
Pin (+Vout). Calculation is as below. (Unit of Rb is [k]).  
BTA-S Series  
BTA-W Series  
+Vout  
Vadj  
+Vout  
Vadj  
7
6
5
7
Rb  
Rb  
Load  
6
5
Load  
Common  
Load  
4
-
Vout  
-
Vout  
Output Voltage : Vo[V]Connecting resistor : Rb[k]  
BTAXX-03SXXX  
Vo = 1.26 × (91.5 + 2.62 Rb) / (39.6 + Rb)  
Rb = (39.6 Vo 115.3) / (3.30 Vo)  
Adjustable range is up to 3.15V.Rb62)  
BTAXX-05SXXX  
Vo = 1.26 × (84.8 + 3.98 Rb) / (31.8 + Rb)  
Rb = (31.8 Vo 106.85) / (5.01 Vo)  
Adjustable range is up to 4.75V.Rb160)  
BTAXX-12SXXX  
Vo = 1.26 × (201 + 9.53 Rb) / (57 + Rb)  
Rb = (57 Vo 253.26) / (12.01 Vo)  
Adjustable range is up to 11.4V.Rb620)  
BTAXX-12WXXX  
Vo = {1.26 × (429 + 19.1 Rb) / (103 + Rb)} / 2  
Rb = (206 Vo 540.54) / (24.07 2 Vo)  
Adjustable range is up to ±11.4V. (Rb1500)  
10  
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
7-2-2 To raise the output voltage  
Output voltage can be raised by connecting resistor Ra between Adjustable Output Pin (Vadj) and Minus Output  
Pin (Vout). (Unit for Ra is[k])  
BTA-S Series  
BTA-W Seires  
+Vout  
Vadj  
+Vout  
Vadj  
7
6
5
7
Load  
5
6
Common  
Load  
Load  
Ra  
Ra  
4
-
Vout  
-
Vout  
Output Voltage : Vo[V]Connecting resistor : Ra[k]  
BTAXX-03SXXX  
Vo = 1.26 × (91.5 + 2.62 Ra) / (32 + Ra)  
Ra = (115.3 32 Vo) / (Vo 3.30)  
BTAXX-05SXXX  
Vo = 1.26 × (84.8 + 3.98 Ra) / (17.8 + Ra)  
Ra = (106.85 17.8 Vo) / (Vo 5.01)  
BTAXX-12SXXX  
Vo = 1.26 × (201 + 9.53 Ra) / (16.9 + Ra)  
Ra = (253.26 16.9 Vo) / (Vo 12.01)  
BTAXX-12WXXX  
Vo = {1.26 × (429 + 19.1 Ra) / (18 + Ra)} / 2  
Ra = (540.54 36 Vo) / (2 Vo 24.07)  
7-3 Output Over Current Protection Function  
Output voltage will be lowered when output current is in state of over current and start operating over current  
protection circuit. (Over current protection set point : 105 to 250% of rating current value)  
It will automatically recover when over current state is released. In order to avoid from damage, please do not hold  
the over current state for more than 30sec.  
If by any reason does not auto recover after releasing, please off the output at ON/OFF control or switch off to  
reactivate.  
7-4 Low Input Voltage Protection Function  
This product builds in low input voltage protection function to avoid malfunction at low input voltage. Commencing  
operation and termination voltage range is within the below table.  
Commencing operation  
Model  
Termination Voltage  
BTA05  
BTA12  
BTA24  
BTA48  
3.0 to 4.5V  
6.0 to 9.0V  
13 to 18V  
27 to 36V  
11  
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
7-5 Input Circuit Protection Function  
Fuse is built in at input in order to protect circuit at secondary side when overcurrent flows to input by some  
abnormalities.  
Rating current and fusing current of the Built-in fuse is as below table. To assure fusing at abnormality, current  
capacity of power supply should be more than fusing current which is stated in below table.  
Model  
Rating Current  
1.25A  
Fusing Current  
Above 2.5A  
Above 1.5A  
Above 1.5A  
Above 1.5A  
BTA05  
BTA12  
BTA24  
BTA48  
0.75A  
0.75A  
0.75A  
8. An example method to prevent inverse connection of input power supply.  
This product will be damaged when input polarity is connected reversely. Please add protection circuit when  
connection may be reversed.  
Below diagram is an example of using fuse and diode.  
FUSE  
+Vin  
+Vout  
C2  
1
7
BTA-S Series  
+
+
+
Vin  
D1  
C1  
ON/OFF  
C3  
Load  
2
3
5
-
Vin  
-Vout  
12  
DC-DC Converter  
BDD20081203  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
9. Soldering Conditions  
Soldering is to be executed under the following conditions.  
1- Soldering Iron (DIP Type, SMD Type)  
380°C 3sec.  
2- Soldering Dip (DIP type)  
260°C 10sec.  
3- Reflow (SMD type)  
Reflow Temp. Profile  
Solder Sn-3Ag-0.5Cu  
A
TP  
1.0 to 3.0  
/s  
/s  
A' Ty1:  
Ty2:  
150±10  
170±10  
40 to 100s  
225  
Ty1 to Ty2:  
1.0 to 4.0  
B' TP:  
Above 225  
C 1.0 to 5.0  
Ty2  
Ty1  
B
245℃  
max.  
:
/s  
20 to 40s  
A
A'  
B
B'  
C
Soldering Dip Time(s)  
Do not vibrate the product during reflow.  
Reflow can be done only once. (Please do not mount backside.)  
NOTE: Eutectic soldering can be used within condition as above.  
10. Material of Pin and case  
Pin : Phosphor bronze (Ni Foundation Sn Plating)  
Case : SPCC (Ni Plating)  
11. Vibration / Shock Test  
Vibration : 10 to 55Hz All Amplitude 1.52mmp-p (2 hours in each of 3 orthogonal axes)  
Scanning time 15min.  
Shock : Acceleration 100G (3 times in each of 3 orthogonal axes, Total 18 times )  
Duration 6ms  
12. Cleaning Condition  
This product can not be washed whole. No clean solder paste is recommended for this product. When and if  
cleaning should be necessary only for DIP type, use IPA and hand-wash only soldered surface by brush cleaning.  
After cleaning be sure to dry up before using.  
13  
BDD20081203  
DC-DC Converter  
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter  
1.5Watt BTA Series  
13. Environmental Compliance  
This product is RoHS compliance.  
Halogen free material is used for PCB.  
{Note} RoHS Compliance : Based on EU Directive2002/95/EC.  
14. Precautions  
-This product intends to be used for general electronic equipments (Clerical work machines, Telecommunications  
equipments, and Measurement equipments). Therefore, do not use for medical equipments, nuclear power  
equipments, and trains, etc. the malfunction and damage of which may influence directly to human life and  
property. Please confirm when using it in the case except general electronic equipment.  
-For this product, parallel operation is not possible.  
-For mounting this product, please do not use connector or socket. The performance may not be fulfilled by the  
effect of contacting resistor. Please mount to PCB by soldering.  
-This product has a built-in over-current, short protection, but long time short circuit will cause failure, so avoid it.  
-The product may be damaged if it is used under nonstandard electric and environmental conditions such as  
temperature. Please be sure to keep the standards.  
-Do not store in a place where corridible gas may be generated or at a dusty place.  
-The soldering may degrade, so be careful when safekeeping in a place with high-temperature, hu,idity and rapid  
temperature change for more than 1 year.  
-There is a possibility of damage by static. When the worker has electrified static, please earth discharge and  
working on an earthed worktable will be recommended.  
-This product does not have a built in over voltage protection.  
-No test certificate is attached to this product.  
15. Guarantee  
This product shall be guaranteed for 5 years. During this period, if there should be any failure definitely due to our  
designing or manufacturing workmanship, we will repair or replace it with new one at our own expense. But in case  
that it should be modified and/or made internal remodeling by buyer itself whatsoever, we can not guarantee it.  
This guarantee shall cover only 1.5Watt BTA series.  
14  
BDD20081203  
DC-DC Converter  

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