NON-ISOLATED DC/DC CONVERTERS
2.4 Vdc - 5.5 Vdc Input, 0.6 Vdc - 3.63 Vdc /3 A Outputs
December 9, 2010
Bel Power, Inc. , a subsidiary of Bel Fuse, Inc.
General Specifications
Parameter
Min
Typ
Max
Unit
Notes
Efficiency
Vo=0.6V
-
-
-
-
-
81.2
89.4
91.4
93.9
94.4
-
-
-
-
-
%
%
%
%
%
Vin= 3.3Vdc, Ta=25°C
Io=Io, max , Vo= Vo,set.
Vo=1.2V
Vo=1.8V
Vo=2.5V
Vo=3.3V
When Vo=3.3V, Vin=5.0V
Switching Frequency
-
-
600
140
-
-
kHz
Over Temperature Protection
°C
Delay from VIN, min to application of
voltage on SEQ pin
Sequencing Delay time
Tracking Accuracy
10
-
-
msec
Vin, min to Vin, max; Io, min to Io,
max, Vseq < Vo
Power-Up: 2V/ms
Power-Down: 2V/ms
-
-
-
-
100
100
mV
mV
Weight
-
1.55
-
g
Calculated Per Bell Core SR-332
(Io=0.8Io, max, Ta=40°C,
Telecordia Issue 2 Method 1 Case
3)
MTBF
16,139,760
hours
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
0.48 x 0.48 x 0.246
12.19 x 12.19 x 6.25
-
Note: Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and
temperature conditions.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
4
BEL [ BEL FUSE INC. ]
