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BD9B300MUV

Description
Over Current Protection
File Size1MB,33 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Download Datasheet View All

BD9B300MUV Overview

Over Current Protection

Datasheet
2.7V to 5.5V Input, 3.0A Integrated MOSFET
Single Synchronous Buck DC/DC Converter
BD9B300MUV
General 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.
Key Specifications
Input Voltage Range:
2.7V to 5.5V
Output Voltage Range:
0.8 V to V
PVIN
x 0.8 V
Maximum Operating Current:
3A (Max)
Switching Frequency:
2MHz/1MHz (Typ)
High-Side MOSFET ON Resistance: 35mΩ (Typ)
Low-Side MOSFET ON Resistance: 35mΩ (Typ)
Standby Current:
0μA (Typ)
W (Typ) x D (Typ) x H (Max)
3.00 mm x 3.00 mm x 1.00 mm
Package
VQFN016V3030
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)
VQFN016V3030
Applications
Step-down Power Supply for DSPs, FPGAs,
Microprocessors, etc.
Laptop PCs/Tablet PCs/Servers
LCD TVs
Storage Devices (HDDs/SSDs)
Printers, OA Equipment
Entertainment Devices
Distributed Power Supply, Secondary Power Supply
Typical Application Circuit
VIN
PGD
PVIN
AVIN
Enable
10µF
0.1µF
AGND
PGND
SS
MODE
C
SS
FREQ
FB
R2
R1
C
FB
22µF×2
SW
1.0µH
EN
PGD
BOOT
C
BOOT
V
OUT
Figure 1. Application Circuit
〇Product
structure : Silicon monolithic integrated circuit
.
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
〇This
product has no designed protection against radioactive rays
1/30
TSZ02201-0J2J0AJ00410-1-2
23.May.2014 Rev.001
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