NON-ISOLATED DC/DC CONVERTERS
4.5 Vdc - 14 Vdc Input, 0.69 Vdc - 5.5 Vdc /12 A Outputs
December 2, 2010
Bel Power, Inc. , a subsidiary of Bel Fuse, Inc.
Startup Time
ON/OFF VOLTAGE OUTPUT VOLTAGE
V
O
(V) (200mV/div)
V
ON/OFF
(V) (2V/div)
TIME, t (1 ms/div)
ON/OFF VOLTAGE OUTPUT VOLTAGE
V
O
(V) (500mV/div)
V
ON/OFF
(V) (2V/div)
TIME, t (1 ms/div)
Start-up Using On/Off Voltage (I
o
= I
o,max
), Vo=0.69V
Start-up Using On/Off Voltage (I
o
= I
o,max
), Vo=1.2V
ON/OFF VOLTAGE OUTPUT VOLTAGE
V
ON/OFF
(V) (2V/div) V
O
(V) (500mV/div)
TIME, t (1 ms/div)
ON/OFF VOLTAGE OUTPUT VOLTAGE
V
O
(V) (1V/div)
V
ON/OFF
(V) (1V/div)
TIME, t (1 ms/div)
Start-up Using On/Off Voltage (I
o
= I
o,max
), Vo=1.8V
Start-up Using On/Off Voltage (I
o
= I
o,max
), Vo=2.5V
TIME, t (1 ms/div)
ON/OFF VOLTAGE OUTPUT VOLTAGE
V
O
(V) (2V/div)
V
ON/OFF
(V) (2V/div)
ON/OFF VOLTAGE OUTPUT VOLTAGE
V
O
(V) (1V/div)
V
ON/OFF
(V) (2V/div)
TIME, t (1 ms/div)
Start-up Using On/Off Voltage (I
o
= I
o,max
), Vo=3.3V
Start-up Using On/Off Voltage (I
o
= I
o,max
), Vo=5.0V
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
•
Tel 201-432-0463
•
Fax 201-432-9542
•
www.belfuse.com
9
BEL [ BEL FUSE INC. ]
