XRSB-40U Datasheet, PDF (3/13 Pages) Bel Fuse Inc. – ISOLATED DC/DC CONVERTERS

ISOLATED DC/DC CONVERTERS
24 Vdc/48 Vdc Input 1.2 Vdc - 12 Vdc / 18 A - 3.5 A Outputs, 1/16 Brick
Output Specifications (continued)
Parameter
Current Limit Threshold
Vo=1.2 V
Vo=1.5 V
Vo=1.8 V
Vo=2.5 V
Vo=3.3 V
Vo=5.0 V
Vo=12 V
Ripple and Noise (rms)
Vo=1.2 V - 1.8 V
Vo=2.5 V
Vo=3.3 V
Vo=5.0 V
Vo=12 V
Ripple and Noise (pk-pk)
Vo=1.2 V - 1.8 V
Vo=2.5 V
Vo=3.3 V
Vo=5.0 V
Vo=12 V
Turn on Time
Overshoot at Turn on
Min
21 A
19 A
17 A
14 A
11 A
8.8 A
4.2 A
-
-
-
-
-
-
-
-
-
-
-
-
Typ
25 A
22 A
20 A
17 A
14 A
10 A
5A
6 mV
10 mV
12 mV
25 mV
30 mV
40 mV
45 mV
55 mV
70 mV
90 mV
25 mS
0%
Max
29 A
26 A
23 A
20 A
16 A
12.5 A
6A
12 mV
20 mV
25 mV
50 mV
55 mV
70 mV
80 mV
90 mV
120 mV
180 mV
50 mS
5%
Notes
Tested at 0-20 MHz
BW, with a 1 uF
ceramic capacitor and
a 10 uF Tantalum
capacitor at the
output.
Output Capacitance
Transient Response
25% ~ 50%
Max Load
Overshoot
Settling Time
50% ~ 25%
Max Load
Overshoot
Settling Time
25% ~ 50%
Max Load
Overshoot
Settling Time
50% ~ 25%
Max Load
Overshoot
Settling Time
25% ~ 50%
Max Load
Overshoot
Settling Time
50% ~ 25%
Max Load
Overshoot
Settling Time
25% ~ 50%
Max Load
Overshoot
Settling Time
50% ~ 25%
Max Load
Overshoot
Settling Time
25% ~ 50%
Max Load
Overshoot
Settling Time
50% ~ 25%
Max Load
Overshoot
Settling Time
Vo=1.2 V
Vo=1.5 V
Vo=1.8 V
Vo=2.5 V
Vo=3.3 V
Vo=5.0 V
Vo=12 V
Vo=1.2 V
Vo=1.5 -1.8 V
Vo=2.5 -3.3 V
Vo=5.0 V
Vo=12 V
470 uF
470 uF
470 uF
470 uF
330 uF
150 uF
10 uF
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
15000 uF
10000 uF
10000 uF
5600 uF
4700 uF
2200 uF
220 uF
Recommend to use
AVX TPS series
Tantalum capacitor as
min capacitor.
60 mV
80 uS
60 mV
80 uS
60 mV
80 uS
60 mV
80 uS
180 mV
80 uS
180 mV
80 uS
250 mV
100 uS
250 mV
100 uS
400 mV
150 uS
400 mV
150 uS
110 mV
150 uS
110 mV
150 uS
110 mV
150 uS
110 mV
150 uS
250 mV
150 uS
250 mV
150 uS
350 mV
200 uS
350 mV
200 uS
650 mV
300 uS
650 mV
300 uS
Test conditions: di/dt
= 0.1 A/uS, Vin=48 V,
with a 1 uF ceramic
capacioor and a Min
Capacitance of
Tantalum capacitor at
the output
Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com