Datasheet > BD9F800MUX-Z

BD9F800MUX-Z

更新时间： 2023-09-03 20:34:17

品牌	Logo	应用领域
罗姆 - ROHM		转换器
页数	文件大小	规格书
50页	4157K
描述
BD9F800MUX是内置低导通电阻的功率MOSFET的同步整流降压DC/DC转换器。最大可输出8A的电流。还是恒定时间控制DC/DC转换器，具有高速负载响应性能，无需外接的相位补偿电路。Power Supply Reference BoardFor Xilinx’s FPGA Spartan-7

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BD9F800MUX-Z 数据手册

Datasheet

4.5V to 28V Input, 8.0A Integrated MOSFET

Single Synchronous Buck DC/DC Converter

BD9F800MUX-Z

General Description

Key Specifications

BD9F800MUX-Z is a synchronous buck DC/DC converter

with built-in low on-resistance power MOSFETs. It is

capable of providing current of up to 8 A. External phase

compensation circuit is not necessary for it is a constant

on-time control DC/DC converter with high speed

response.



Input Voltage Range:

Output Voltage Setting Range:

Output Current:

Switching Frequency:

High Side MOSFET On-Resistance: 23 m Ω (Typ)

Low Side MOSFET On-Resistance: 11 m Ω (Typ)

4.5V to 28 V

0.765V to 13.5V

8 A (Max)

300kHz or 600kHz (Typ)

Shutdown Current:

2 μA (Typ)

Features

Package

VQFN11X3535A

W (Typ) × D (Typ) × H (Max)

3.50mm × 3.50mm × 0.60mm



Synchronous Single DC/DC Converter

Constant On-time Control

Over Current Protection

Short Circuit Protection

Thermal Shutdown Protection

Under Voltage Lockout Protection

Power Good Output

VQFN11X3535A Package

Applications



Step-down Power Supply for DSPs,

Microprocessors, etc.

Set-top Box

LCD TVs

DVD / Blu-ray Player / Recorder

Entertainment Devices



VQFN11X3535A

Typical Application Circuit

BD9F800MUX-Z

VIN

V_IN

BOOT

CIN

Enable

CBOOT

PGND

V_OUT

FREQ

VOUT

RFREQ

CVREG

VREG

PGD

COUT

GND

Figure 1. Typical Application Circuit

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

www.rohm.com

TSZ02201-0F3F0AC00090-1-2

27.Dec.2018 Rev.003

1/47

TSZ22111 • 14 • 001

12 3 4 5 6 7...50

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