BH6557FV Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – DC/DC Converter+Reset

99W134A
DC/DC Converter+Reset
BH6557FV
Description
The BH6557FV is a variable output DC/DC converter
IC with reset. The DC/DC converter output voltage
value and reset voltage value can be adjusted by
external resistance.
Dimension (Units : mm)
Features
1) Synchronous rectification enables high efficiency
2) Built-in charge pump circuits for operating output power MOS
3) Built-in variable reset circuit
4) Built-in power MOS Tr requires fewer external components
5) Mute circuit built-in
6) Built-in thermal shut down circuit
7) SSOP-B16 package has a smaller board footprint
SSOP-B16
Applications
CD-ROM
Absolute Maximum Ratings (Ta=25 ˚C )
Parameter
Symbol
Limits
Unit
Power MOS supply voltage
PowVcc
9
V
Control circuit supply voltage
PrePcc
9
V
Pre driver supply voltage
Output current from DSW terminal
Power dissipation
VG(9pin)
Iswomax
Pd
12
V
1 ^*2
A
560 ^*1
mW
Operating temperature range
Topr
– 30 ~ + 85
˚C
Storage temperature range
Tstg
– 55 ~ +150
˚C
*1 Derating : 4.5mV/˚C for operation above Ta=25 ˚C.
On less than 3% (percentage occupied by copper foil), 70mm ¥ 70mm, t=1.6mm, glass epoxy mounting.
*2 Intermittent current at maximum applied time of 5msec, 1/10 duty (Max.)
January, 2000