Datasheet > BD9B301MUV-LB

BD9B301MUV-LB

更新时间： 2023-09-03 20:27:20

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	1605K
描述
本产品是面向工业设备市场的产品，保证可长期稳定供货。是适合这些用途的产品。BD9B301MUV-LB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消耗动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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BD9B301MUV-LB 数据手册

Datasheet

2.7V to 5.5V Input, 3.0A Integrated MOSFET

Single Synchronous Buck DC/DC Converter

BD9B301MUV-LB

General Description

Key Specifications

This is the product guarantees long time support in

Industrial market.



Input Voltage Range:

2.7V to 5.5V

0.8 V to VPVIN x 0.8 V

3A (Max)

Output Voltage Range:

Maximum Operating Current:

Switching Frequency:

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

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

BD9B301MUV-LB 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.

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



Long Time Support Product for Industrial

Applications



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

VQFN016V3030

(Backside Heat Dissipation)

Applications



Industrial Equipment

Step-down Power Supply for DSPs, FPGAs,

Microprocessors, etc.



Storage Devices (HDDs/SSDs)

Printers, OA Equipment

Distributed Power Supply, Secondary Power Supply

Typical Application Circuit

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

TSZ02201-0J3J0AJ00830-1-2

11.Nov.2015 Rev.002

1/30

12 3 4 5 6 7...33

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