Datasheet > BD9161FVM-LB

BD9161FVM-LB

更新时间： 2024-11-05 11:13:59

品牌	Logo	应用领域
罗姆 - ROHM		开关脉冲稳压器
页数	文件大小	规格书
23页	2237K
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。罗姆的高效率降压开关稳压器(BD9161FVM-LB)是通过3.3V的电源线生成1.2V等低电压的电源。采用独创的脉冲跳跃控制方式和同步整流电路，实现高效化。采用电流模式控制方式，实现了负载突变时的高速瞬态响应。Max Duty为100%，在输入输出间电压差较小的条件下也可使用。

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BD9161FVM-LB 数据手册

Datasheet

2.5V to 4.5V, Input 0.6A Integrated FET

1ch Synchronous Buck Converter

BD9161FVM-LB

General Description

Key Specifications

This is the product guarantees long time support in

Industrial market.

Input Voltage Range:

2.5V to 4.5V

1.0V to 3.3V

0.6A(Max)

1MHz(Typ)

0.35Ω(Typ)

0.37Ω(Typ)

0μA (Typ)

Output Voltage Range:

Output Current:

Switching Frequency:

Pch FET On Resistance:

Nch FET On Resistance:

Standby Current:

ROHM’s high efficiency step-down switching regulator

BD9161FVM-LB is a power supply designed to produce

1.2volts (low voltage) from 3.3volts power supply line.

Offers high efficiency with our original pulse skip control

technology and synchronous rectifier.

Employs a

Operating Temperature Range:

-25°C to +85°C

current mode control system to provide faster transient

response to sudden change in load.

Package

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

2.90mm x4.00mm x 0.90mm

MSOP8

Features

Long Time Support Product for Industrial

Applications.

Fast Transient Response with Current Mode PWM

Control System.

Highly Efficiency with Synchronous Rectifier.

(Nch/Pch FET)

100% Duty Ratio.

Soft-Start Function.

Thermal Protection and ULVO Functions.

Short-Current Protection Circuit with Time Delay

Function.

Shutdown Function.

Applications

MSOP8

Industrial Equipment

Power Supply for HDD, DVD and CPU, ASIC

Secondary Power Supply

Typical Application Circuit

V_CC

Cin

V_CC,PV_CC

V_OUT

ITH

C_O

ADJ

GND,PGND

R_ITH

C_ITH

Figure 1. Typical 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

TSZ02201-0J4J0AJ00580-1-2

21.Feb.2014 Rev.002

1/20

12 3 4 5 6 7...23

中文翻译

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