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reference designBD9A300MUV

ROHM BD9A300MUV

2.7V to 5.5V Input, 3A Integrated MOSFET Single Synchronous Buck DC/DC Converter

Overview

TopologyBuck Converter
Input voltage2.7-5.5 V
Switching frequency800-1200 kHz
Output 11.1 V / 3 A
Output 21.5 V / 3 A
Output 31.2 V / 3 A
Output 41.8 V / 3 A
IC revision005

Description

BD9A300MUV is a synchronous buck switchingregulator with built-in low on-resistance power MOSFETs.It is capable of providing current up to 3A.The SLLMTMcontrol provides excellent efficiency characteristics inlight-load conditions which make the product ideal forequipment and devices that demand minimal standbypower consumption. The oscillating frequency is high at1MHz using a small value of inductance. It is a currentmode control DC/DC converter and features high-speedtransie

Features

 Synchronous Single DC/DC Converter. SLLMTM (Simple Light Load Mode)Control. Over Current Protection. Short Circuit Protection. Thermal Shutdown Protection. Under Voltage Lockout Protection. Adjustable Soft start Function. Power Good Output. VQFN016V3030 Package(Backside HeatDissipation)

Typical applications

  • Entertainment Devices. LCD TVs.
  • Printers, OA Equipment
  • Laptop PCs/ Tablet PCs/ Servers, Storage Devices (HDDs/SSDs).
  • Step-down Power Supply for DSPs, FPGAs, Microprocessors, etc. Distributed Power Supply, Secondary Power Supply.

More information

Parts approved by ROHM

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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
SamplesAvailability & Sample
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74437336015
SPECWE-LHMI SMT Power Inductor, 1.5 µH, 7.8 A
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance1.5 µH
Performance Rated Current7.8 A
Saturation Current @ 10%7.7 A
Saturation Current @ 30%14.2 A
DC Resistance25 mΩ
Self Resonant Frequency45 MHz
MountSMT 
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