IC manufacturers ROHM

IC manufacturers (96)

ROHM BD9D323QWZ

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

Overview

TopologyBuck Converter
Input voltage4.5-18 V
Output 17 V / 3 A
IC revision004

Description

BD9D323QWZ is a synchronous buck switching regulator with built-in low on-resistance power MOSFETs. It is capable of providing current of up to 3 A. External phase compensation circuit is not necessary for it is a constant on-time control DC/DC converter with fast transient response.

Features

  • Synchronous Single DC/DC Converter
  • Constant On-time Control
  • Over Current Protection
  • Thermal Shutdown Protection
  • Under Voltage Lockout Protection
  • Adjustable Soft Start
  • UMMP008Z2020 Package (Backside Heat Dissipation)

Typical applications

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

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Mount Samples
74437336015SPEC
8 files WE-LHMI SMT Power Inductor 1.5 7.8 7.7 14.2 25 45 SMT
Order Code Data­sheet Simu­lation
74437336015SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Mount Samples