IC manufacturers ROHM

IC manufacturers (103)

ROHM BD9D320EFJ

4.5V to 18V Input, 3.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter

Overview

TopologyBuck Converter
Input voltage4.5-18 V
Output 11.5 V / 3 A
Output 21.8 V / 3 A
IC revision004

Description

BD9D320EFJ is a synchronous buck switching regulatorwith built-in low on-resistance power MOSFETs. It iscapable of providing current of up to 3 A. External phasecompensation circuit is not necessary for it is a constanton-time control DC/DC converter with high speedresponse.

Features

 Synchronous Single DC/DC Converter Constant On-time Control Over Current Protection Short Circuit Protection Thermal Shutdown Protection Under Voltage Lockout Protection Adjustable Soft Start HTSOP-J8 Package (Backside Heat Dissipation)

Typical applications

  • Set-top Box/ LCD TVs/ DVD / Blu-ray Player / Recorder/ Entertainment Devices
  • Step-down Power Supply for DSPs, FPGAs, Microprocessors, etc.

Products

Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
fres(MHz)
Mount
Samples
WE-LHMI SMT Power Inductor, 2.2 µH, 6.2 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.2 µH
Performance Rated Current6.2 A
Saturation Current @ 10%7 A
Saturation Current @ 30%14 A
DC Resistance35 mΩ
Self Resonant Frequency42 MHz
MountSMT