ISOLATED DC/DC CONVERTERS
48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick
Output Specifications (continued)
Parameter
Min
Typ
Max
Notes
Regulation Over Temperature
(-40 C to +85 C)
50 mV
50 mV
20 mV
15 mV
15 mV
10 mV
10 mV
75 mV
75 mV
40 mV
30 mV
30 mV
20 mV
20 mV
-
-
-
-
-
-
-
Vo=12.0 V
Vo=5.0 V
Vo=3.3 V
Vo=2.5 V
Vo=1.8 V
Vo=1.5 V
Vo=1.2 V
Output Current
Vo=12.0 V
Vo=5.0 V
Vo=3.3 V
Vo=2.5 V
Vo=1.8 V
Vo=1.5 V
Vo=1.2 V
0 A
0 A
0 A
0 A
0 A
0 A
0 A
-
-
-
-
-
-
-
8.33 A
20 A
25 A
25 A
25 A
30 A
30 A
Current Limit Threshold
Vo=12.0 V
Vo=5.0 V
Vo=3.3 V
Vo=2.5 V
Vo=1.8 V
Vo=1.5 V
Vo=1.2 V
10 A
23 A
30 A
27 A
27 A
32 A
32 A
13 A
29 A
36 A
33 A
33 A
36 A
36 A
16 A
35 A
42 A
40 A
40 A
45 A
45 A
Short Circuit Surge Transient
Ripple and Noise (rms)
-
3 A2s
5 A2s
VO=12.0 V
VO=5.0 V
VO=1.2 V-3.3 V
-
-
-
30 mV
25 mV
15 mV
50 mV
50 mV
30 mV
Test conditions:
0-20 MHz BW, with a 1 uF
ceramic capacitor and a
10 uF Tantalum capacitor
at the output.
Ripple and Noise (pk-pk)
VO=12.0 V
VO=5.0 V
VO=3.3 V
-
-
-
-
100 mV
80 mV
45 mV
40 mV
150 mV
120 mV
90 mV
80 mV
VO=1.2 V-2.5 V
Turn on Time
Overshoot at Turn on
Output Capacitance
-
-
-
30 mS
5%
0%
VO=12.0 V
VO=5.0 V
VO=1.2 V- 3.3 V
0 uF
0 uF
0 uF
-
-
-
1000 uF
10000 uF
20000 uF
Transient Response
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
-
-
-
-
-
-
-
-
-
-
-
-
300 mV
200 uS
300 mV
200 uS
200 mV
200 uS
200 mV
200 uS
150 mV
200 uS
150 mV
200 uS
400 mV
300 uS
400 mV
300 uS
300 mV
300 uS
300 mV
300 uS
200 mV
300 uS
200 mV
300 uS
25% ~ 50%
Max Load
VO=12.0 V
VO=5.0 V
VO=3.3 V
50% ~ 25%
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.
25% ~ 50%
Max Load
50% ~ 25%
Max Load
25% ~ 50%
Max Load
Settling Time
Overshoot
Settling Time
50% ~ 25%
Max Load
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. ]
