Datasheet > STK740-411

STK740-411

更新时间： 2024-09-23 22:49:51

品牌	Logo	应用领域
三洋 - SANYO		稳压器
页数	文件大小	规格书
10页	134K
描述
3.3V/5A Single Output Separate Excitation Chopper Regulator

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中文翻译

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数据手册

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STK740-411 数据手册

Ordering number:EN6106

Thick Film Hybrid IC

STK740-441

3.3V/5A Single Output Separate Excitation

Chopper Regulator

Overview

Package Dimensions

unit:mm

The STK740-441 is a separate-excitation step-down

chopper regulator hybrid IC for the secondstage circuit

and optimal as a 3.3V local power supply for use in logic

circuit that includes both 5V and 3.3V systems. This IC

incorporates in the package all the necessary circuits for

a chopper regulator including power switch, error

amplifier, soft start, shutdown type output short protec-

tion, low-voltage malfunction prevention, on/off, and

snubber circuits. Therefore, external components re-

quired are input and output capacitors and choke coil

only and this allows this IC to be used to construct a

large-current (5A) chopper regulator as if a 3-pin regula-

4171-SIP12

[STK740-441]

4.5

37.0

2.9

2.54

0.5

tor were used.

11×2.54=27.94

Applications

• 3.3V local power supply for the logic circuit where

both 5V and 3.3V systems are constructed togeter.

SANYO : SIP-12

Features

• Adoption of Sanyo IMST ; Insulated Metal Substrate

Technology, allows the circuit to be operated without

using a heat sink (see “No Fin Output Current Derat-

ing” chart in the page 6).

• Slim package reduces mounting space.

• Typical efficiency of 88% at DC 5V input, 2.5A output.

• Fine adjustment of output voltage enable.

• 50 kHz operating frequency.

• Low-R resistance power MOSFET adopted.

• Low-V Schottky barrier diode adopted.

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft’s

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

63099RM (KT) No.6106–1/10

12 3 4 5 6 7...10

中文翻译

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与STK740-411相关器件

型号	品牌	获取价格	描述	数据表
STK740-420	SANYO	获取价格	3.3V/5A Single Output Separate Excitation Chopper Regulator
STK740-441	SANYO	获取价格	3.3V/5A Single Output Separate Excitation Chopper Regulator
STK740-450	SANYO	获取价格	3.3V/5A Single Output Separate Excitation Chopper Regulator
STK740-470	SANYO	获取价格	5V/5A Single Output Separate Excitation Chopper Regulator
STK740-471	SANYO	获取价格	3.3V/5A Single Output Separate Excitation Chopper Regulator
STK740-480	SANYO	获取价格	3.3V/5A Single Output Separate Excitation Chopper Regulator
STK740-490	SANYO	获取价格	3.3V/5A Single Output Separate Excitation Chopper Regulator
STK7406	SANYO	获取价格	Thick Film Hybrid IC Offline Switching Regulator
STK7406-105	SANYO	获取价格	SW REGULATOR IC STK7400 SERIES FIXED OSCILLATING TYPE
STK7406T	SANYO	获取价格	SW REGULATOR IC STK7400 SERIES FIXED OSCILLATING TYPE

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