
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
NON-ISOLATED DC/DC CONVERTERS
2.5 Vdc Input
0.9 Vdc - 1.65 Vdc/10 A Output
Output Specifications
Parameter
Min
1.470 V
1.176 V
0.980 V
-
-
-
-
-
-
-
-
-
0 A
Typ
1.5 V
1.2 V
1.0 V
2 mV
2 mV
2 mV
5 mV
5 mV
5 mV
13 mV
10 mV
9 mV
-
Max
1.530 V
1.224 V
1.020 V
5 mV
5 mV
5 mV
10 mV
10 mV
10 mV
25 mV
20 mV
20 mV
10 A
Notes
Output Voltage Set Point
Vo=1.5 V
Vo=1.2 V
Vo=1.0 V
Test conditions:
Vin=2.5 V, Io=full load
Line Regulation
Vo=1.5 V
Vo=1.2 V
Vo=1.0 V
Load Regulation
Vo=1.5 V
Vo=1.2 V
Vo=1.0 V
Regulation Over Temperature
(-40
°
C to +85
°
C)
Vo=1.5 V
Vo=1.2 V
Vo=1.0 V
Output Current
Current Limit Threshold
13 A
-
25 A
Short Circuit Surge Transient
Vo=1.5 V
Vo=1.2 V
Vo=1.0 V
-
-
-
0.5 A
2
s
0.5 A
2
s
0.5 A
2
s
1.5 A
2
s
1.5 A
2
s
1.5 A
2
s
Ripple and Noise (rms)
-
15 mV
25 mV
Ripple and Noise (pk-pk)
-
50 mV
100 mV
Test conditions:
0-20 MHz BW, with a 1 uF
ceramic capacitor at the
output.
Turn on Time
-
1 mS
2 mS
Overshoot at Turn on
-
0%
3%
Output Capacitance
220 uF
-
4000 uF
Transient Response
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
Overshoot
Settling Time
-
-
-
-
-
-
-
-
-
-
-
-
90 mV
30 uS
90 mV
30 uS
80 mV
30 uS
80 mV
30 uS
80 mV
30 uS
80 mV
30 uS
125 mV
60 uS
125 mV
60 uS
120 mV
60 uS
120 mV
60 uS
120 mV
60 uS
120 mV
60 uS
50% ~ 100%
Max Load
100% ~ 50%
Max Load
V
O
=1.5 V
50% ~ 100%
Max Load
100% ~ 50%
Max Load
V
O
=1.2 V
50% ~ 100%
Max Load
100% ~ 50%
Max Load
V
O
=1.0 V
Test conditions:
di/dt = 0.5 A/uS; Vin =
2.5 V; with a 220 uF
tantalum capacitor at the
output.
Note:
All specifications are typical at nominal input, full load at 25
°
C
unless otherwise stated.