BD8674KN Datasheet, PDF (1/6 Pages) Rohm – Silicon Monolithic Integrated Circuit

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STRUCTURE
PRODUCT NAME
MODEL NAME
PACKAGE OUTLINE
BLOCK DIAGRAM
◎FEATURES：
output function
：
Silicon Monolithic Integrated Circuit
：
DC/DC converter IC for camera module for car navigation system
： BD8674KN
：
Fig. - 1
：
Fig. - 2
・+3.3V output Step down DC/DC converter for synchronous rectification system
・Double booster charger pump
・+5V output LDO
・Soft start function
・Building in low voltage and over voltage protection function
・Building in terminal RT OPEN/Short protection
・The frequency can be set by external resistance
・Concentrated protection control with built-in sequencer
・Building in external reset
・VQFN-28 package
◎ABSOLUTE MAXIMUM RATING:（Ta=25℃）
Parameter
Symbol
Limits
Unit
VIN supply voltage
PVIN supply voltage
Power dissipation
Operating temperature
Storage temperature
VIN
18V
V
PVIN
VIN
V
Pd
0.725^*
W
Topr
-40 ～ +85
℃
Tstg
-55 ～ +150
℃
* 70mm×70mm, thickness1.6mm, less than 3% share of copper foil when implementing glass epoxy board.
Operating at higher than Ta=25℃, 5.8mW shall be reduced per 1
◎OPERATION CONDITION (Please set the power-supply voltage in consideration of a power dissipation.)
Parameter
Symbol
MIN
TYP
MAX
Unit
VIN supply voltage
VIN
4.5
6.0
9.0
V
This product is not designed for protection against radioactive rays.
REV. C