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ROHM Semiconductor - 3A 1ch Synchronous Buck Converter

Numéro de référence BD8963EFJ
Description 3A 1ch Synchronous Buck Converter
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD8963EFJ fiche technique
Datasheet
2.7V to 5.5V, 3A 1ch
Synchronous Buck Converter with
Integrated FET
BD8963EFJ
General Description
The BD8963EFJ is ROHM's high efficiency step-down
switching regulator designed to produce a voltage as
low as 1.0V from a supply voltage of 5.5V/3.3V. It offers
high efficiency by using synchronous switches and
provides fast transient response to sudden load
changes by implementing current mode control.
Features
Fast Transient Response because of Current Mode
Control System
High Efficiency for All Load Ranges because of
Synchronous Switches
Soft-Start Function
Thermal Shutdown and UVLO Functions
Short Circuit Current Protection with Time Delay
Function
Shutdown Function
Applications
Power Supply for LSI including DSP, Microcomputer
and ASIC
Key Specifications
Input Voltage Range:
Output Voltage Range:
Average Output Current:
Switching Frequency:
Pch FET ON-Resistance:
Nch FET ON-Resistance:
Standby Current:
Operating Temperature Range:
2.7V to 5.5V
1.0V to 2.5V
3.0A (Max)
1MHz (Typ)
145m(Typ)
80m(Typ)
5.0μA (Typ)
-25°C to +85°C
Package
W(Typ) x D(Typ) x H(Max)
HTSOP-J8
4.90mm x 6.00mm x 1.00mm
Typical Application Circuit
VCC
CIN
VCC
L
EN SW
ADJ
CO
RCOMP
COMP
GND
CCOMP
VOUT
R2
R1
Figure 1. Typical Application Circuit
Product structureSilicon monolithic integrated circuit
www.rohm.com
©2012 2012ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays
1/24
TSZ02201-0J3J0AJ00040-1-2
02.Oct.2014 Rev.003

PagesPages 28
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