PRELIMINARY
Isolated DC-DC Converters
BUC20W Series -- 20 Watt
Bothhand USA
Features
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Wide 4 : 1 Input Voltage Range(9~36V,18~75V)
High Efficiency up to 90%
Remote On/Off
Input / Output Isolation Voltage: 1.5K VDC
Extended Operating Temperature Range: -40°C to+85°C
Output Short Circuit Protection:
Hiccup, continuous & Auto Recovery
Over Voltage Protection: Clamp Mode
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Description
Shielded Metal Case with Insulated Baseplate
Lead Free Design, RoHS Compliant
6 pin DIP Package with Industry-Standard Footprint
Standard 2”X1” Package
The BUC20W Series are isolated 20W DC/DC converters.
Designed with highly efficiency, allow the operating
temperature range of these units to be -40°C to +85°C (with
derating) in a 6 pin DIP package with industry-standard
footprint. Further features include wide 4 : 1 input voltage
range, remote on/off control, trimmable output, short-circuit
protection, over voltage protection and over temperature
protection.
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.
Output
Voltage
(V)
Capacitive
Load, max. (3)
(uF)
Eff .(2)
(%)
Output Current (mA)
Min. Load(1)
Input Current (mA)
Input Voltage
Range
Model
Number
Full. Load
No Load
Full Load
BUC20-24S0W
BUC20-24S1W
BUC20-24S2W
BUC20-24S3W
BUC20-24D1W
BUC20-24D2W
BUC20-24D3W
BUC20-48S0W
BUC20-48S1W
BUC20-48S2W
BUC20-48S3W
BUC20-48D1W
BUC20-48D2W
BUC20-48D3W
3.3
5.1
12
15
5
0
0
5500
4000
1670
1330
2000
835
70
86
38
49
91
45
95
25
38
40
37
39
42
43
945
1012
1006
990
84
88
87
88
88
87
87
86
89
89
89
90
89
88
33000
18000
3300
2200
8200
1000
900
150
80
0
9~36V
Nominal:24V
992
12
15
3.3
5.1
12
15
5
25
0
1006
1002
461
665
0
5500
4000
1670
1330
2000
835
33000
18000
3300
2200
8200
1000
900
0
500
90
55
0
491
18~75V
Nominal:48V
489
484
12
15
10
0
491
665
495
Rev:20130814A
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