ISOLATED DC/DC CONVERTERS
48 V Input 1.2 V - 2.5 V/80 A, 3.3 V/70 A, 5 V/48 A, 12 V/20 A Output
Output Specifications (continued)
Parameter
Min
Typ
Max
Notes
Output Current
VO=12.0 V
VO=5.0 V
Vo=3.3 V
0 A
0 A
0 A
0 A
-
-
-
-
20 A
48 A
70 A
80 A
Vo=1.2 V - 2.5 V
Current Limit Threshold
VO=12.0 V
VO=5.0 V
Vo=3.3 V
21 A
50 A
74 A
86 A
25 A
58 A
84 A
96 A
30 A
66 A
94 A
106 A
5 A2s
Vo=1.2 V - 2.5 V
Short Circuit Surge Transient
Ripple and Noise (rms)
-
3 A2s
VO=12.0 V
VO=5.0 V
Vo=3.3 V
-
-
-
-
30 mV
25 mV
20 mV
15 mV
50 mV
50 mV
40 mV
30 mV
Test conditions:
0-20 MHz BW, with a
1 uF ceramic capacitor
and a 10 uF Tantalum
capacitor at the output.
Vo=1.2 V - 2.5 V
Ripple and Noise (pk-pk)
Turn on Time
VO=12.0 V
VO=5.0 V
Vo=3.3 V
-
-
-
-
100 mV
80 mV
55 mV
40 mV
150 mV
150 mV
100 mV
80 mV
Vo=1.2 V - 2.5 V
VO=5.0 V - 12.0 V
Vo=3.3 V
Vo=1.2 V - 2.5 V
10 mS
8 mS
5 mS
-
-
-
30 mS
20 mS
15 mS
Overshoot at Turn on
Output Capacitance
-
0%
5%
VO=12.0 V
VO=5.0 V
Vo=1.2 V - 3.3 V
0 uF
0 uF
0 uF
-
-
-
2200 uF
10000 uF
20000 uF
Transient Response
Overshoot
Settling Time
Overshoot
-
-
-
600 mV
300 uS
600 mV
300 uS
250 mV
250 uS
250 mV
250 uS
150 mV
200 uS
150 mV
200 uS
100 mV
200 uS
100 mV
200 uS
800 mV
500 uS
800 mV
500 uS
400 mV
400 uS
400 mV
400 uS
200 mV
300 uS
200 mV
300 uS
200 mV
300 uS
200 mV
300 uS
50% ~ 75%
Max Load
VO=12.0 V
VO=5.0 V
75% ~ 50%
Max Load
Settling Time
Overshoot
-
-
50% ~ 75%
Max Load
-
-
-
-
-
-
-
-
-
-
-
Settling Time
Overshoot
Test conditions: di/dt =
0.1 A/uS, Vin=48 V,
Ta=25 °C with a 1 uF
ceramic capacitor and
a 10 uF Tantalum
75% ~ 50%
Max Load
Settling Time
Overshoot
50% ~ 75%
Max Load
Settling Time
Overshoot
capacitor at the output.
VO=3.3 V
75% ~ 50%
Max Load
Settling Time
Overshoot
50% ~ 75%
Max Load
Settling Time
Overshoot
VO=1.2 V - 2.5 V
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