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reference designBD9B300MUV | Demoboard BD9B300MUV

ROHM BD9B300MUV | Demoboard BD9B300MUV

2.7V to 5.5V Input, 3.0A Integrated MOSFET Buck DC/DC Converter

Overview

TopologyBuck Converter
Input voltage2.7-5.5 V
Switching frequency1000-2000 kHz
Output 11.8 V / 3 A
IC revision004

Description

BD9B300MUV is a synchronous buck switching regulator with built-in low on-resistance power MOSFETs. This IC, which is capable of providing current up to 3A, features fast transient response by employing constant on-time control system. It offers high oscillating frequency at low inductance. With its original constant on-time control method which operates low consumption at light load, this product is ideal for equipment and devices that demand minimal standby power consumption.

Features

  • Synchronous Single DC/DC Converter
  • Constant on-time control suitable to Deep-SLLM
  • Over Current Protection
  • Short Circuit Protection
  • Thermal Shutdown Protection
  • Under Voltage Lockout Protection
  • Adjustable Soft Start
  • Power Good Output
  • VQFN016V3030 Package (backside heat dissipation)

Typical applications

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

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
Mount
ISAT,10%(A)
RDC max.(mΩ)
SamplesAvailability & Sample
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74438356010
SPECWE-MAPI SMT Power Inductor, 1 µH, 10.1 A

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
–
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance1 µH
Performance Rated Current10.1 A
Saturation Current @ 30%11.5 A
DC Resistance12 mΩ
Self Resonant Frequency55 MHz
Operating Voltage80 V
MountSMT 
Saturation Current @ 10%5.3 A
DC Resistance15 mΩ
–Check availability
74437324010
SPECWE-LHMI SMT Power Inductor, 1 µH, 6.2 A
Simu­lation
Availability
–
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance1 µH
Performance Rated Current6.2 A
Saturation Current @ 30%12.5 A
DC Resistance22 mΩ
Self Resonant Frequency89 MHz
Operating Voltage120 V
MountSMT 
Saturation Current @ 10%6.5 A
DC Resistance27 mΩ
–Check availability
74437334010
SPECWE-LHMI SMT Power Inductor, 1 µH, 7.4 A
Simu­lation
Availability
–
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance1 µH
Performance Rated Current7.4 A
Saturation Current @ 30%17.7 A
DC Resistance17.5 mΩ
Self Resonant Frequency65 MHz
Operating Voltage120 V
MountSMT 
Saturation Current @ 10%9.2 A
DC Resistance20 mΩ
–Check availability
74437336010
SPECWE-LHMI SMT Power Inductor, 1 µH, 8.6 A
Simu­lation
Availability
–
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance1 µH
Performance Rated Current8.6 A
Saturation Current @ 30%14.2 A
DC Resistance13 mΩ
Self Resonant Frequency60 MHz
Operating Voltage120 V
MountSMT 
Saturation Current @ 10%7.4 A
DC Resistance14 mΩ
–Check availability
74438357010
SPECWE-MAPI SMT Power Inductor, 1 µH, 10.25 A

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
–
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance1 µH
Performance Rated Current10.25 A
Saturation Current @ 30%12.5 A
DC Resistance11.6 mΩ
Self Resonant Frequency59 MHz
Operating Voltage80 V
MountSMT 
Saturation Current @ 10%6.2 A
DC Resistance13.5 mΩ
–Check availability