UM400 SERIES
5 to 6 Watt DC/DC Converters
■
■
■
■
■
High Performance
Regulated Outputs
Pi Input Filter
60% Efficiency
Six-Sided Shield
SPECIFICATIONS
All specifications are typical at nominal line, full load and
25°C unless otherwise noted.
GENERAL SPECIFICATIONS
Efficiency ……….………………….………..………..…… 60%
Isolation Voltage …..…………………………... 500 VDC min.
Isolation Capacitance ……………………….…………... 80pF
Isolation Resistance …..………………..….…. 10
8
ohms min.
Switching Frequency ……………………….…… 20 KHz min.
Operating Temperature Range
Ambient, None Derating ……….………… -25°C to +71°C
Cooling ….…….……………………… Free Air Convection
Storage Temperature Range ………….…. –40°C to +100°C
EMI/RFI
2
……………..……….. Six-Sided Continuous Shield
Dimensions …………………………….……… 2*2*0.4 inches
(50.8*50.8*10.2mm)
Case Material
Standard Models …..……… Non-Conductive Black Plastic
UL94V-0
Suffix ”M” Models …………….... Black-Coated Copper with
Non-Conductive Base
Weight ……………………..………………………………. 46g
Input Voltage
5V
12V
24V
28V
48V
60% FL
4.4-6.5V
80% FL
4.5-6.0V
100% FL
4.65-5.5V
INPUT SPECIFICATIONS
Input Voltage Range …..…………………….…..… See Table
Input Filter …………………………….………..….. Pi Network
OUTPUT SPECIFICATIONS
Voltage Accuracy …………………….……...… ±1.0% max.
Voltage Balance, Dual Output ……..…………..…… ±0.5%
Temperature Coefficient
Single Output ……...……………………….….. ±0.02%/°C
Dual Output ……...…………………………..… ±0.01%/°C
Ripple and Noise
1
, 20MHz BW
Single Output ……...………………….…… 50mV P-P max.
Dual Output ……...……………………….… 35mV P-P max.
Short Circuit Protection ………………….....…. Current Limit
Line Regulation ………………………………..……. ±0.02%
Load Regulation ……………………………....……. ±0.2%
10.56-15.6V 10.8-14.4V 11.16-13.2V
21.12-31.2V 21.6-28.8V 22.32-26.4V
24.64-36.4V 25.2-33.6V 26.04-30.8V
42.24-62.4V 43.2-57.6V 44.64-52.8V
NOTE:
1. Measured with 0.1uF ceramic capacitor connected to the
output pins.
2. Metal case only.
UNIVERSAL
MICROELECTRONICS
UM400
1
OF 2
3,27TH RD., TAICHUNG INDUSTRIAL PARK,
TAICHUNG, TAIWAN, R.O.C.
TEL: 886-4-23590096 FAX: 886-4-23590129
REV. 4
INPUT CURRENT
MODEL
INPUT
OUTPUT
OUTPUT
NUMBER
VOLTAGE
VOLTAGE
CURRENT
NO LOAD
FULL LOAD
UM401
5 VDC
1000mA
60mA
1650mA
UM402
12 VDC
470mA
80mA
1750mA
UM403
5 VDC
15 VDC
400mA
85mA
1800mA
UM404
± 12 VDC
± 230mA
130mA
1700mA
UM405
± 15 VDC
± 190mA
130mA
1700mA
UM406
5 VDC
1000mA
40mA
690mA
UM407
12 VDC
470mA
50mA
710mA
UM408
12 VDC
15 VDC
400mA
40mA
750mA
UM409
± 12 VDC
± 230mA
60mA
710mA
UM410
± 15 VDC
± 190mA
60mA
710mA
UM411
5 VDC
1000mA
25mA
350mA
UM412
12 VDC
470mA
25mA
360mA
UM413
24 VDC
15 VDC
400mA
25mA
370mA
UM414
± 12 VDC
± 230mA
25mA
360mA
UM415
± 15 VDC
± 190mA
35mA
360mA
UM416
5 VDC
1000mA
25mA
290mA
UM417
12 VDC
470mA
25mA
300mA
UM418
15 VDC
400mA
25mA
310mA
28 VDC
UM419
± 12 VDC
± 230mA
30mA
300mA
UM420
± 15 VDC
± 190mA
30mA
300mA
UM421
5 VDC
1000mA
20mA
170mA
UM422
12 VDC
470mA
20mA
170mA
UM423
15 VDC
400mA
20mA
180mA
48 VDC
UM424
± 12 VDC
± 230mA
25mA
170mA
UM425
± 15 VDC
± 190mA
25mA
170mA
NOTE:
1.Alternate pin-out version. If available are designated by suffixes.
For example,UM401 is also available as UM401S and UM401T.
CASE C
CASE
ALT
1
PIN
OUT
C
S, T
C
S, T
C
S, T
C
S, T
C
S, T
*NP(NO PIN)ON SINGLE OUTPUT MODELS
All dimensions in inches(mm)
Tolerances .xx=±0.02
.xxx=±0.010
UNIVERSAL
MICROELECTRONICS
UM400
2
OF 2
3,27TH RD., TAICHUNG INDUSTRIAL PARK,
TAICHUNG, TAIWAN, R.O.C.
TEL: 886-4-23590096 FAX: 886-4-23590129
REV. 4
