ISOLATED DC/DC CONVERTERS
48 Vdc Input 12 Vdc/12 A, 3.3 Vdc/46 A, 5 Vdc/30 A, 1.2-2.5 Vdc/50 A Outputs
May 17, 2011
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Output Specifications (continued)
Parameter
Min
Typ
Max
Unit
Notes
Output Capacitance
VO=12.0 V
0
0
0
-
-
-
2200
10000
20000
uF
uF
uF
VO=5.0 V
VO=1.2 V-3.3 V
Transient Response
Overshoot
Settling Time
Overshoot
-
-
-
600
200
600
200
250
100
250
100
100
200
100
200
100
300
100
300
100
200
100
200
100
200
100
200
800
300
800
300
375
200
375
200
200
300
200
300
200
400
200
400
140
300
140
300
120
300
120
300
mV
uS
50% ~ 75%
Max Load
VO=12.0 V
VO=5.0 V
VO=3.3 V
VO=2.5 V
mV
uS
75% ~ 50%
Max Load
Settling Time
Overshoot
-
-
mV
uS
50% ~ 75%
Max Load
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Settling Time
Overshoot
mV
uS
75% ~ 50%
Max Load
Settling Time
Overshoot
mV
uS
50% ~ 75%
Max Load
Settling Time
Overshoot
mV
uS
75% ~ 50%
Max Load
Test conditions: di/dt = 0.1
A/uS, Vin=48 V, with a 1 uF
ceramic capacitor and a 10 uF
Tantalum capacitor at the
output.
Settling Time
Overshoot
mV
uS
50% ~ 75%
Max Load
Settling Time
Overshoot
mV
uS
75% ~ 50%
Max Load
Settling Time
Overshoot
mV
uS
50% ~ 75%
Max Load
Settling Time
Overshoot
Vo=1.8 V
VO=1.5 V
mV
uS
75% ~ 50%
Max Load
Settling Time
Overshoot
mV
uS
50% ~ 75%
Max Load
Settling Time
Overshoot
VO=1.2 V
mV
uS
75% ~ 50%
Max Load
Settling Time
Note: All specifications are typical at nominal input, full load at 25 C unless noted.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
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