Datasheet > BD9B406NF-Z

BD9B406NF-Z

更新时间： 2024-03-03 10:10:16

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
45页	3965K
描述
BD9B406NF-Z is one of the BD9Bx06NF-Z series of single synchronous buck DC/DC converter with bu

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BD9B406NF-Z 数据手册

Datasheet

2.7 V to 5.5 V Input, 4.0 A Integrated MOSFET

Single Synchronous Buck DC/DC Converter

BD9B406NF-Z

General Description

Key Specifications

BD9B406NF-Z is one of the BD9Bx06NF-Z series of

single synchronous buck DC/DC converter with built-in

low on-resistance power MOSFETs. It can provide

current up to 4 A. The output voltage can achieve a

high accuracy due to ±1 % reference voltage. It

features fast transient response due to constant

on-time control system. The Light Load Mode control

improves efficiency in light-load conditions. It is ideal

for reducing standby power consumption of

equipment. Power Good function makes it possible for

system to control sequence. It achieves the high

power density and offer a small footprint on the PCB

by employing 6 pins 1.5 mm x 1.5 mm small package.

◼

Input Voltage Range:

Output Voltage Range:

Output Current:

2.7 V to 5.5 V

0.6 V to 4.0 V

4.0 A (Max)

2.2 MHz (Typ)

25 mΩ (Typ)

0 μA (Typ)

Switching Frequency:

High Side FET ON Resistance:

Low Side FET ON Resistance:

Shutdown Current:

Quiescent Current at No Load:

4 μA (Typ)

Package

VFN006V1515A

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

1.5 mm x 1.5 mm x 1.0 mm

Features

◼ Single Synchronous Buck DC/DC Converter

◼ Constant On-time Control

◼ Light Load Mode Control

◼ ±1 % Reference Voltage Accuracy

◼ 100 % Duty Cycle

◼ Power Good Output

Applications

◼ Output Discharge Function

◼

Printer, OA Equipment

Laptop PC / Tablet PC / Server

Storage Device (HDD / SSD)

Step-down Power Supply for SoC, FPGA, and

Microprocessor

Video Surveillance

Distributed Power Supply, Secondary Power

Supply

◼ Over Voltage Protection (OVP)

◼ Over Current Protection (OCP)

◼ Short Circuit Protection (SCP)

◼ Thermal Shutdown Protection (TSD)

◼ Under Voltage Lockout Protection (UVLO)

◼

Typical Application Circuit

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

www.rohm.com

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TSZ22111 • 14 • 001

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