Datasheet > LM2717-ADJ_08

LM2717-ADJ_08

更新时间： 2024-10-27 03:07:19

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器
页数	文件大小	规格书
16页	394K
描述
Dual Step-Down DC/DC Converter

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LM2717-ADJ_08 数据手册

March 4, 2008

LM2717-ADJ

Dual Step-Down DC/DC Converter

General Description

Features

The LM2717-ADJ is composed of two PWM DC/DC buck

(step-down) converters. Both converters are used to generate

an adjustable output voltage as low as 1.267V. Both also fea-

ture low R_DSON(0.16Ω) internal switches for maximum effi-

ciency. Operating frequency can be adjusted anywhere

between 300kHz and 600kHz allowing the use of small ex-

ternal components. External soft-start pins for each converter

enables the user to tailor the soft-start times to a specific ap-

plication. Each converter may also be shut down indepen-

dently with its own shutdown pin. The LM2717-ADJ is

available in a low profile 24-lead TSSOP package ensuring a

low profile overall solution.

Adjustable buck converter with a 2.2A, 0.16Ω, internal

■

switch (Buck 1)

Adjustable buck converter with a 3.2A, 0.16Ω, internal

switch (Buck 2)

■

Operating input voltage range of 4V to 20V

Input undervoltage protection

■

300kHz to 600kHz pin adjustable operating frequency

Over temperature protection

Small 24-Lead TSSOP package

Applications

TFT-LCD Displays

■

Handheld Devices

Portable Applications

Laptop Computers

Automotive Applications

■

Typical Application Circuit

20167901

201679

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