Datasheet > BD9B300MUV

BD9B300MUV

更新时间： 2023-09-03 20:25:22

品牌	Logo	应用领域
罗姆 - ROHM		开关转换器稳压器
页数	文件大小	规格书
33页	1070K
描述
BD9B300MUV是内置低导通电阻的功率MOSFET的同步整流降压型开关稳压器。最大可输出3A的电流。采用轻负载时进行低功耗工作的独创恒定时间控制方式，适用于要降低待机功耗的设备。振荡频率高，适用于小型电感。是恒定时间控制DC/DC转换器，具有高速瞬态响应性能。

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BD9B300MUV 数据手册

Datasheet

2.7V to 5.5V Input, 3.0A Integrated MOSFET

Single Synchronous Buck DC/DC Converter

BD9B300MUV

General Description

Key Specifications

BD9B300MUV is

synchronous buck switching



Input Voltage Range:

2.7V to 5.5V

0.8 V to VPVIN x 0.8 V

3A (Max)

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.

Output Voltage Range:

Maximum Operating Current:

Switching Frequency:

High-Side MOSFET ON Resistance: 35mΩ (Typ)

Low-Side MOSFET ON Resistance: 35mΩ (Typ)

2MHz/1MHz (Typ)

Standby Current:

0μA (Typ)

Package

W (Typ) x D (Typ) x H (Max)

VQFN016V3030

3.00 mm x 3.00 mm x 1.00 mm

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)

Applications

VQFN016V3030

 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

PGD

VIN

PVIN

PGD

AVIN

BOOT

Enable

0.1µF

C^BOOT

1.0µH

10µF

V^OUT

AGND

PGND

CFB 22µF×2

MODE

FREQ

C^SS

Figure 1. Application Circuit

〇Product structure : Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays

.www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0J2J0AJ00410-1-2

23.May.2014 Rev.001

1/30

12 3 4 5 6 7...33

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