IC manufacturers ROHM

IC manufacturers (103)

ROHM BD9C401EFJ

4.5V to 18V Input, 4.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter

Overview

TopologyBuck Converter
Input voltage4.72-18 V
Switching frequency450-550 kHz
Output 13.3 V / 4 A
IC revision001

Description

BD9C401EFJ is a synchronous buck switching regulator with built-in low on-resistance power MOSFETs. With wide input voltage range, It is capable of providing current of up to 4A. It is a current mode control DC/DC converter and features high-speed transient response. Phase compensation can also be set easily.

Features

  • Synchronous Single DC/DC Converter
  • Over Current Protection
  • Thermal Shutdown Protection
  • Under Voltage Lockout Protection
  • Short Circuit Protection
  • Fixed Soft Start Function

Typical applications

  • LCD TVs/ Set-top Boxes/ DVD/Blu-ray Disc Players/Recorders/ Entertainment Devices
  • Broadband Network and Communication Interf

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, 4.7 µH, 6.2 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance4.7 µH
Performance Rated Current6.2 A
Saturation Current @ 10%7.5 A
Saturation Current @ 30%14.6 A
DC Resistance30.8 mΩ
Self Resonant Frequency24 MHz
MountSMT