Datasheet > BD9C301FJ

BD9C301FJ

更新时间： 2023-09-03 20:25:21

品牌	Logo	应用领域
罗姆 - ROHM		转换器
页数	文件大小	规格书
24页	1789K
描述
BD9C301FJ是在1个芯片中内置低导通电阻的功率MOSFET的同步整流降压DC/DC转换器。输入电压范围广，最大可输出3A的电流。可由较少的外接部件构成，从而降低成本。是电流模式控制DC/DC转换器，具有高速瞬态响应性能，可轻松设定相位补偿。

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BD9C301FJ 数据手册

Datasheet

4.5V to 18V Input, 3.0A Integrated MOSFET

Single Synchronous Buck DC/DC Converter

BD9C301FJ

General Description

Key Specifications

BD9C301FJ is a synchronous buck switching regulator

with built-in low on-resistance power MOSFETs. With

wide input voltage range, it is capable of providing current

of up to 3 A. It is a current mode control DC/DC converter

and features high-speed transient response.

Phase compensation can also be set easily.

 Input Voltage Range:

 Reference Voltage:

4.5V to 18.0V

0.8V ± 1%

 Maximum Output Current:

 Switching Frequency:

 Pch MOSFET On Resistance:

 Nch MOSFET On Resistance:

 Standby Current:

3A(Max)

500kHz(Typ)

65mΩ(Typ)

35mΩ(Typ)

1μA (Typ)

 Operating Temperature Range:

-40°C to +85°C

Features

Package

SOP-J8

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

4.90mm x 6.00mm x 1.65mm

■ Synchronous Single DC/DC Converter

■ Over Current Protection

■ Thermal Shutdown Protection

■ Under Voltage Lockout Protection

■ Short Circuit Protection

■ Fixed Soft Start Function

Applications

■ LCD TVs

■ Set-top Boxes

■ DVD/Blu-ray Disc Players/Recorders

■ Broadband Network and Communication Interface

■ Entertainment Devices

SOP-J8

Typical Application Circuit

VIN

12V

VOUT

3.3V

4.7µH

10µF

0.1µF

Enable

22µF×2

COMP AGND

PGND FB

Figure 1. Application Circuit

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

www.rohm.com

TSZ02201-0J2J0AJ00430-1-2

24.JUL.2018 Rev.004

1/20

TSZ22111 • 14 • 001

12 3 4 5 6 7...24

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