ISOLATED DC/DC CONVERTERS
48V Input 12V/12A, 3.3V/45A, 5V/30A, 1.2V-2.5V/50A Outputs
Output Specifications (continued)
Parameter
Min
Typ
Max
Notes
Output Current
VO=12V
VO=5.0V
0A
0A
0A
0A
-
-
-
-
12A
30A
45A
50A
VO=3.3V
VO=1.2V-2.5V
Current Limit Threshold
VO=12V
VO=5.0V
14A
36A
55A
58A
15.5A
43A
18A
50A
70A
70A
VO=3.3V
62A
VO=1.2V-2.5V
63A
Short Circuit Surge Transient
Ripple and Noise (RMS)
-
3A2s
5A2s
VO=12V
VO=5.0V
-
-
-
-
30mV
25mV
20mV
15mV
50mV
50mV
40mV
30mV
Test conditions:
VO=3.3V
0-20MHz BW, with a
1uF ceramic capacitor
and a 10uF Tantalum
capacitor at the output.
VO=1.2V-2.5V
Ripple and Noise (pk-pk)
VO=12V
VO=5.0V
-
-
-
-
100mV
100mV
55mV
150mV
150mV
100mV
80mV
VO=3.3V
VO=1.2V-2.5V
40mV
Turn on Time
20mS
-
100mS
Overshoot at Turn on
Output Capacitance
-
0%
5%
VO=12.0V
VO=5.0V
0uF
0uF
0uF
-
-
-
2200uF
10000uF
20000uF
VO=1.2V-3.3V
Transient Response
Overshoot
-
-
-
600mV
200uS
600mV
200uS
150mV
200uS
150mV
200uS
100mV
200uS
100mV
200uS
800mV
300uS
800mV
300uS
300mV
300uS
300mV
300uS
200mV
300uS
200mV
300uS
50% ~ 75%
Max Load
Settling Time
VO=12.0V
VO=5.0V
Overshoot
75% ~ 50%
Max Load
Settling Time
-
-
Overshoot
Test conditions: di/dt =
0.1A/uS, Vin=48V, with
a 1uF ceramic
50% ~ 75%
Max Load
-
-
-
-
-
-
-
Settling Time
capacitor and a 10uF
Tantalum capacitor at
the output.
Overshoot
75% ~ 50%
Max Load
Settling Time
Overshoot
50% ~ 75%
Max Load
Settling Time
VO=1.2V-3.3V
Overshoot
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
BEL [ BEL FUSE INC. ]
