ISOLATED DC/DC CONVERTERS
48V Input 12V/12A, 3.3V/45A, 5V/30A, 1.2V-2.5V/50A Outputs
Output Specifications (continued)
Parameter
Output Current
V
O
=12V
V
O
=5.0V
V
O
=3.3V
V
O
=1.2V-2.5V
Current Limit Threshold
V
O
=12V
V
O
=5.0V
V
O
=3.3V
V
O
=1.2V-2.5V
Short Circuit Surge Transient
Ripple and Noise (RMS)
V
O
=12V
V
O
=5.0V
V
O
=3.3V
V
O
=1.2V-2.5V
Ripple and Noise (pk-pk)
V
O
=12V
V
O
=5.0V
V
O
=3.3V
V
O
=1.2V-2.5V
Turn on Time
Overshoot at Turn on
Output Capacitance
V
O
=12.0V
V
O
=5.0V
V
O
=1.2V-3.3V
Transient Response
50% ~ 75%
Max Load
75% ~ 50%
Max Load
50% ~ 75%
Max Load
75% ~ 50%
Max Load
50% ~ 75%
Max Load
75% ~ 50%
Max Load
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
V
O
=1.2V-3.3V
V
O
=5.0V
V
O
=12.0V
-
-
-
-
-
-
-
-
-
-
-
-
600mV
200uS
600mV
200uS
150mV
200uS
150mV
200uS
100mV
200uS
100mV
200uS
800mV
300uS
800mV
300uS
300mV
300uS
300mV
300uS
200mV
300uS
200mV
300uS
Test conditions: di/dt =
0.1A/uS, Vin=48V, with
a 1uF ceramic
capacitor and a 10uF
Tantalum capacitor at
the output.
0uF
0uF
0uF
-
-
-
2200uF
10000uF
20000uF
-
-
-
-
20mS
-
100mV
100mV
55mV
40mV
-
0%
150mV
150mV
100mV
80mV
100mS
5%
-
-
-
-
30mV
25mV
20mV
15mV
50mV
50mV
40mV
30mV
Test conditions:
0-20MHz BW, with a
1uF ceramic capacitor
and a 10uF Tantalum
capacitor at the output.
14A
36A
55A
58A
-
15.5A
43A
62A
63A
3A s
2
Min
0A
0A
0A
0A
Typ
-
-
-
-
Max
12A
30A
45A
50A
18A
50A
70A
70A
5A s
2
Notes
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. ]
