BUA15L series

Isolated DC-DC Converters
BUA15L Series -- 15 Watt
BOTHHAND USA
Features
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
Description
Output Short Circuit Protection:
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
Over Voltage Protection: Clamp Mode
Shielded Metal Case with Insulated Baseplate
Lead Free Design, RoHS Compliant
Industry Standard Pinout
Customer Design Available
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.
Technical Specification All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
Model
Number
Output Current (mA)
Input Voltage Output
Voltage
(1)
Range
Full. Load
(Vdc) Min. Load
Input Current (mA)
No Load
Full Load
(2)
Eff . Capacitive
max.
(%) Load,
(3)
(uF)
BUA15-12S0L
3.3
200
4000
7
1467
79
10000
BUA15-12S1L
5.1
120
3000
7
1623
81
600
BUA15-12S2L
9~18V
BUA15-12S3L Nominal:12Vdc
12
0
1250
18
1543
85
1800
15
0
1000
21
1524
86
990
BUA15-12D2L
±12
0
±625
28
1543
85
470
BUA15-12D3L
±15
0
±500
29
1524
86
100
BUA15-24S0L
3.3
200
4000
5
724
80
10000
BUA15-24S1L
5.1
95
3000
6
791
83
10000
BUA15-24S2L
18~36V
Nominal:24Vdc
BUA15-24S3L
12
0
1250
10
762
86
1700
15
0
1000
11
753
87
660
BUA15-24D2L
±12
0
±625
14
762
86
430
BUA15-24D3L
±15
0
±500
36
762
86
220
BUA15-48S0L
3.3
200
4000
2
362
80
10000
BUA15-48S1L
5.1
120
3000
3
401
82
8440
BUA15-48S2L
36~75V
BUA15-48S3L Nominal:48Vdc
12
0
1250
6.5
377
87
1000
15
0
1000
8
372
88
470
BUA15-48D2L
±12
0
±625
8
377
87
330
BUA15-48D3L
±15
0
±500
8
377
87
160
E-mail: [email protected]
http://www.bothhandUSA.com
Rev:20101011A
Page 1 of 4
Isolated DC-DC Converters
BUA15L Series -- 15 Watt
BOTHHAND USA
Input Specifications
Input Voltage
12V nominal input
9-18Vdc
24V nominal input
18-36Vdc
48V nominal input
36-75Vdc
Input filter
Pi Type
12V input
25Vdc
Input surge voltage
24V input
50Vdc
(100ms max.)
48V input
100Vdc
Input reflected ripple current
Nominal Vin and full load
Start up time
Nominal Vin and constant resistive load
80mAp-p typ.
680ms typ.
Environmental Specifications
Operating ambient temperature
-40°C to +71°C(without derating)
Maximum case temperature
+100°C
Storage temperature range
-55°C to +105°C
Relative humidity
5% to 95% RH
Temperature coefficient
±0.02% / °C max.
Output Specifications
Output power
Voltage accuracy
15 Watts max.
Full load and nominal Vin
±1%
Minimum load
Line regulation
See table
LL to HL at full load
25% load to full load
Load Regulation
±0.5%
Single
Balanced load
±1%
Dual
±0.5%
Unbalanced load 25% to 100% full load
Ripple and Noise
±3%
20MHz Bandwidth
75mVp-p max.
3.3Vout models
3.9V
Over voltage protection
5Vout models
6.2V
(Zener Diode Clamp)
12Vout models
15V
15Vout models
18V
Capacitive load
Over load protection
See table
% of full load at nominal input
Short circuit protection
Continuous, automatic recovery
Transient response settling time
50% load step change
Transient response over shoot
di/dt=0.8A/µs
E-mail: [email protected]
150% typ.
http://www.bothhandUSA.com
2200µs typ.
≤ ±5% of Vo
Rev:20101011A
Page 2 of 4
Isolated DC-DC Converters
BUA15L Series -- 15 Watt
BOTHHAND USA
General Specifications
Efficiency
Nominal input
Isolation voltage
Input to output
See table
1500Vdc
9
Isolation resistance
10 Ohms min.
Isolation capacitance
580pF typ.
Switching frequency
300kHz typ.
6
Reliability, calculated MTBF
2.24 × 10 Hrs
Physical Specifications
Case material
Nickel-coated copper
Base material
Non-conductive black plastic
Potting material
Silicon rubber (UL94V-0)
2.0 × 1.0 × 0.4 Inch
Dimensions
(50.8 × 25.4 × 10.2 mm)
32.0g (1.13oz) typ.
Weight
BUA15L Series
(4)
Output Power (%)
Power Derating Curve
Ambient Temp.TA (℃
℃)
BUA15-48S1L
Output Current vs. Efficiency
Efficiency (%)
Efficiency (%)
BUA15-48S1 L
Input voltage vs. Efficiency
Input voltage (V)
E-mail: [email protected]
Output Current (A)
http://www.bothhandUSA.com
Rev:20101011A
Page 3 of 4
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
1
2
3
4
5
Pin Assignment
Single
Dual
+Vin
+Vin
-Vin
-Vin
+Vout
+Vout
No pin
Common
-Vout
-Vout
Unit: mm [inch]
Tolerance:±0.5[0.02]
Specifications subject to change without notice.
E-mail: [email protected]
http://www.bothhandUSA.com
Rev:20101011A
Page 4 of 4
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