LM3150

更新时间： 2024-11-21 05:42:03

品牌	Logo	应用领域
美国国家半导体 - NSC		控制器
页数	文件大小	规格书
20页	461K
描述
SIMPLE SWITCHER® CONTROLLER, 42V Synchronous Step-Down

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LM3150 数据手册

October 17, 2008

LM3150

SIMPLE SWITCHER^®CONTROLLER, 42V Synchronous

Step-Down

General Description

Features

The LM3150 SIMPLE SWITCHER^®Controller is an easy to

use and simplified step down power controller capable of pro-

viding up to 12A of output current in a typical application.

Operating with an input voltage range of 6V-42V, the LM3150

features an adjustable output voltage down to 0.6V. The

switching frequency is adjustable up to 1 MHz and the syn-

chronous architecture provides for highly efficient designs.

The LM3150 controller employs a Constant On-Time (COT)

architecture with a proprietary Emulated Ripple Mode (ERM)

control that allows for the use of low ESR output capacitors,

which reduces overall solution size and output voltage ripple.

The Constant On-Time (COT) regulation architecture allows

for fast transient response and requires no loop compensa-

tion, which reduces external component count and reduces

design complexity.

PowerWise^®step-down controller

■

6V to 42V Wide input voltage range

Adjustable output voltage down to 0.6V

Programmable switching frequency up to 1 MHz

No loop compensation required

Fully WEBENCH^®enabled

Low external component count

Constant On-Time control

Ultra-fast transient response

Stable with low ESR capacitors

Output voltage pre-bias startup

Valley current limit

Programmable soft-start

■

Fault protection features such as thermal shutdown, under-

voltage lockout, over-voltage protection, short-circuit protec-

tion, current limit, and output voltage pre-bias startup allow for

a reliable and robust solution.

The LM3150 SIMPLE SWITCHER^®concept provides for an

easy to use complete design using a minimum number of ex-

ternal components and National’s WEBENCH^®online design

tool. WEBENCH^®provides design support for every step of

the design process and includes features such as external

component calculation with a new MOSFET selector, electri-

cal simulation, thermal simulation, and Build-It boards for

prototyping.

Typical Applications

Telecom

■

Networking Equipment

Routers

Security Surveillance

Power Modules

■

Typical Application

30053101

SIMPLE SWITCHER® is a registered trademark of National Semiconductor Corporation

300531

www.national.com

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与LM3150相关器件

型号	品牌	获取价格	描述	数据表
LM3150MH	NSC	获取价格	SIMPLE SWITCHER® CONTROLLER, 42V Synchronous
LM3150MH	TI	获取价格	LM3150 SIMPLE SWITCHER CONTROLLER, 42V Synchronous Step-Down
LM3150MH/NOPB	TI	获取价格	LM3150 SIMPLE SWITCHER CONTROLLER, 42V Synchronous Step-Down
LM3150MHE	NSC	获取价格	SIMPLE SWITCHER® CONTROLLER, 42V Synchronous
LM3150MHE/NOPB	TI	获取价格	LM3150 SIMPLE SWITCHER CONTROLLER, 42V Synchronous Step-Down
LM3150MHX	NSC	获取价格	SIMPLE SWITCHER® CONTROLLER, 42V Synchronous
LM3150MHX/NOPB	TI	获取价格	LM3150 SIMPLE SWITCHER CONTROLLER, 42V Synchronous Step-Down
LM3151	TI	获取价格	LM3151/LM3152/LM3153 SIMPLE SWITCHERÂ® CONTRO
LM3151	NSC	获取价格	SIMPLE SWITCHER® CONTROLLER, High Input Volta
LM3151_14	TI	获取价格	SIMPLE SWITCHERÂ® CONTROLLER, High Input Volt

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