BD8966FVM_12 Datasheet, PDF (1/19 Pages) Rohm – 4.0V to 5.5V, 0.8A 1ch Synchronous Buck Converter integrated FET

4.0V to 5.5V, 0.8A 1ch
Synchronous Buck Converter integrated FET
BD8966FVM
●General Description
ROHM’s high efficiency step-down switching regulator
BD8966FVM is a power supply designed to produce a
low voltage including 1 volts from 5/3.3 volts power
supply line. Offers high efficiency with synchronous
rectifier. Employs a current mode control system to
provide faster transient response to sudden change in
load.
●Features
 Offers fast transient response with current mode
PWM control system.
 Offers highly efficiency for all load range with
synchronous rectifier (Nch/Pch FET)
 Incorporates soft-start function.
 Incorporates thermal protection and
ULVOfunctions.
 Incorporates short-current protection circuit with
time delay function.
 Incorporates shutdown function
●Key Specifications
 Input voltage range:
 Output voltage range:
 Output current:
 Switching frequency:
 Pch FET ON resistance:
 Nch FET ON resistance:
 Standby current:
 Operating temperature range:
4.0V to 5.5V
1.0V to 2.5V
0.8A(Max.)
1MHz(Typ.)
350μΩ(Typ.)
250μΩ(Typ.)
0μA (Typ.)
-25℃ to +85℃
●Package
MSOP8
2.90mm x 4.00mm x 0.83mm
●Applications
Power supply for LSI including DSP, Micro computer
and ASIC
●Typical Application Circuit
VCC
Cin
VOUT
RITH
CITH
EN
VOUT
ITH
VCC,PVCC
SW
GND,PGND
L
ESR
CO
VOUT
RO
Fig.1 Typical application circuit
○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays.
www.rohm.com
© ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥14ï½¥001
1/17
TSZ02201-0J3J0AJ00060-1-2
02.MAR.2012. Rev.001