BUA15-48D3L [BOTHHAND]
Isolated DC-DC Converters;
| 型号： | BUA15-48D3L |
| 厂家： | 
BOTHHAND USA, LP. |
| 描述： | Isolated DC-DC Converters |
| 文件： | 总7页 (文件大小：756K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Isolated DC-DC Converters
BUA15L Series -- 15 Watt
Bothhand USA
Features
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Wide 2 : 1 Input Voltage Range(9~18V,18~36V,36~75V)
Output Current up to 4A
Fixed Switching Frequency
Input / Output Isolation Voltage: 1.5K VDC
Extended Operating Temperature Range: -40°C to +71°C
Output Short Circuit Protection:
Description
The BUA15L Series are isolated 15W DC/DC converters.
Designed with highly efficiency, allow the operating
temperature range of these units to be -40°C to +71°C in
a 50.8x25.4x10.2mm package with industry-standard
pinout. Further features include wide 2 : 1 input voltage
range, output short-circuit protection and over voltage
protection.
Continuous & Auto Recovery
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Over Voltage Protection: Clamp Mode
Shielded Metal Case with Insulated Baseplate
Lead Free Design, RoHS Compliant
Industry Standard Pinout
Applications
These converters are well suitable for battery operated
equipment, measurement equipment, telecom, wireless
network, Industry control system, everywhere where
isolated, tightly regulated voltages and compact size are
required.
Customer Design Available
Safety Standard / Approval : IEC / EN 60950-1
Technical Specification All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
Output
Voltage
(V)
Output Current (mA)
Input Current (mA)
No Load Full Load
1467
Model
Number
Input Voltage
Range
Eff .(2) Capacitive
Load, max.
(%)
Min. Load(1)
Full. Load
(3) (uF)
BUA15-12S0L
BUA15-12S1L
BUA15-12S2L
BUA15-12S3L
BUA15-12D2L
BUA15-12D3L
BUA15-24S0L
BUA15-24S1L
BUA15-24S2L
BUA15-24S3L
BUA15-24D2L
BUA15-24D3L
BUA15-48S0L
BUA15-48S1L
BUA15-48S2L
BUA15-48S3L
BUA15-48D2L
BUA15-48D3L
3.3
5.1
12
15
12
200
120
0
4000
3000
1250
1000
625
7
79
81
85
86
85
86
80
83
86
87
86
86
80
82
87
88
87
87
10000
600
7
18
21
28
29
5
1623
1543
1524
1543
1524
724
791
762
753
762
762
362
401
377
372
377
377
9~18V
Nominal:12V
1800
990
0
0
470
15
0
500
100
3.3
5.1
12
15
12
200
95
0
4000
3000
1250
1000
625
10000
10000
1700
660
6
18~36V
Nominal:24V
10
11
14
36
2
0
0
430
15
0
500
220
3.3
5.1
12
15
12
200
120
0
4000
3000
1250
1000
625
10000
8440
1000
470
3
36~75V
Nominal:48V
6.5
8
0
0
8
330
15
0
500
8
160
Rev:20130813A
Page 1 of 7
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Isolated DC-DC Converters
BUA15L Series -- 15 Watt
Bothhand USA
Input Specifications
12V nominal input
24V nominal input
48V nominal input
9-18V
18-36V
36-75V
Pi Type
25V
Input Voltage
Input filter
12V input
Input surge voltage
(100ms max.)
24V input
50V
48V input
100V
Input reflected ripple current
Start up time
Nominal Vin and full load
80mAp-p typ.
Nominal Vin and constant resistive load
680ms typ.
Environmental Specifications
Operating ambient temperature
Maximum case temperature
Storage temperature range
Relative humidity
-40°C to +71°C(without derating)
+100°C
-55°C to +105°C
5% to 95% RH
Temperature coefficient
0.02% / °C max.
Output Specifications
Output power
15 Watts max.
Voltage accuracy
Minimum load
Full load and nominal Vin
LL to HL at full load
1%
See table
Line regulation
Load Regulation
Ripple and Noise
0.5%
25% load to full load
Balanced load
Single
Dual
1%
0.5%
Unbalanced load 25% to 100% full load
20MHz Bandwidth
3.3Vout models
3%
75mVp-p max.
3.9V
Over voltage protection
(Zener Diode Clamp)
5Vout models
6.2V
12Vout models
15V
15Vout models
18V
See table
Capacitive load
Over load protection
% of full load at nominal input
150% typ.
Short circuit protection
Transient response settling time
Transient response over shoot
Continuous, automatic recovery
2200ꢀs typ.
50% load step change
di/dt=0.8A/ꢀs
≤
5% of Vo
Rev:20130813A
Page 2 of 7
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Isolated DC-DC Converters
BUA15L Series -- 15 Watt
Bothhand USA
General Specifications
Efficiency
Nominal input
Input to output
See table
1500VDC
Isolation voltage
10 9 Ohms min.
580pF typ.
Isolation resistance
Isolation capacitance
Switching frequency
Reliability, calculated MTBF
300kHz typ.
2.24 × 10 6 Hrs
Physical Specifications
Case material
Nickel-coated copper
Non-conductive black plastic
Silicon rubber (UL94V-0)
2.0 × 1.0 × 0.4 Inch
Base material
Potting material
Dimensions
Weight
(50.8 × 25.4 × 10.2 mm)
32.0g (1.13oz) typ.
BUA15L Series
Power Derating Curve(4)
Ambient Temp.TA (℃)
BUA15-48S1 L
Input voltage vs. Efficiency
BUA15-48S1L
Output Current vs. Efficiency
Input voltage (V)
Output Current (A)
Rev:20130813A
Page 3 of 7
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Isolated DC-DC Converters
BUA15L Series -- 15 Watt
Bothhand USA
BUA15-48S1L
BUA15-48S1L
Transient Response at 50%~100% Max Load
Loop Gain & Phase at Vi=48V,Full Load
Note
1. Io below this value will not damage these converters, however, they may not meet all listed specifications.
2. Typical value, tested at nominal input and full load.
3. For each output.
4. Based on BUA15-48S1L.
Mechanical Dimensions
Pin Assignment
Pin
1
Single
+Vin
Dual
+Vin
2
-Vin
-Vin
3
+Vout
No pin
-Vout
+Vout
Common
-Vout
4
5
Unit: mm [inch]
Tolerance:±0.5[0.02]
Specifications subject to change without notice.
Rev:20130813A
Page 4 of 7
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Isolated DC-DC Converters
BUA15L Series -- 15 Watt
Bothhand USA
Test Configurations
All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
A
A
DC
Power Supply
DC/DC
converter
Load
V
V
◎DC Power Supply: It offers a wide voltage and current range precisely.
◎Current meter (A): Accuracyꢁ 200μA ~ 200mA 4 ranges+(0.2% rdg + 2 digits)
2000mA ~ 20A 2 ranges+(0.3% rdg + 2 digits).
◎Voltage meter (V): Accuracyꢁ +(0.03% rdg + 4 digits).
◎Load: At full load.
◎Wires: The resistance of the wires must be small.
1. Input voltage range: Narrow input voltage range（±10%）、wide input voltage range (2:1 and 4:1）。
EX: Narrow input voltage range（±10%）
5V nominal input
12V nominal input
24V nominal input
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4.5~5.5V
10.8~13.2V
21.6~26.4V
Wide input voltage range 2:1
5V nominal input
12V nominal input
24V nominal input
48V nominal input
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4.5~9V
9~18V
18~36V
36~75V
Wide input voltage range 4:1 (W)
24V nominal input
48V nominal input
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9~36V
18~75V
2. Input power :
Pin = Vin x Iin
Vin：Input voltage
Iin：Input current
3. Output power :
Pout = Vout x Iout
Vout：Output voltage
Iout：Output current
4. Efficiency :
Pout
Pin
x100%
Efficiency =
Pout: Output power
Pin: Input power
5. Voltage accuracy:
x100%
│Vout-Vout(nominal)│
Vout
Vout：Output voltage
Vout(nominal)：Nominal output voltage
Rev:20130813A
Page 5 of 7
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Isolated DC-DC Converters
BUA15L Series -- 15 Watt
Bothhand USA
6. Line regulation: (1) Wide input voltage range and regulated output voltage series.
│Vout(LL)-Vout(HL)│
Vout(LL)
LL: Low Line input voltage
HL: High Line input voltage
x100%
(2) Narrow input voltage range（±10%）and unregulated output voltage series.
ΔVout
Line regulation=
ΔVin
ΔVout = Vout(+10%)-Vout(-10%) x100%
Vout
Vout(+10%)：Output voltage at Vin = 1.1xVin(nominal)&full load
Vout(-10%)：Output voltage at Vin = 0.9xVin(nominal)&full load
Vout：Output voltage at Vin = Vin(nominal)&full load
ΔVin = Vin(+10%)-Vin(-10%) x100%
Vin(nominal)
Vin(+10%)：Input voltage = 1.1xVin(nominal)
Vin(-10%)：Input voltage = 0.9xVin(nominal)
Vin(nominal)：Nominal Input voltage
7. Load regulation :
│Vout(FL)-Vout(NL)│ x100%
Vout(FL)
Vout(FL): Output voltage at full load
Vout(NL): Output voltage at 25% full load or 10% full load
8. Ripple and Noise: as shown below. The bandwidth is 0-20MHz.
Ripple&Noise
Noise
Ripple
Rev:20130813A
Page 6 of 7
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Isolated DC-DC Converters
BUA15L Series -- 15 Watt
Bothhand USA
Output Ripple&Noise measurement test circuit: as shown below.
Copper strip
DC/DC
Oscilloscope
Load
Co
converter
Copper strip
Co: usually 0.47uF.
9. Temperature derating curve: The DC-DC converter will operate over a wider temperature range if less power is
drawn from the output and the device is already running. The temperature derating curve shows the operating
power-temperature range. As shown below.
Ambient Temp.TA (℃)
10. Switching frequency: The nominal operating frequency of the DC-DC converters.
11. Input to output isolation: The dielectric breakdown strength test between input and output circuits. This is the
isolation voltage the device is capable of withstanding for a specified time, usually 1 second or 1 minute.
Rev:20130813A
Page 7 of 7
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