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STR-W6735_V

更新时间： 2024-12-01 12:52:27

品牌	Logo	应用领域
急速微 - ALLEGRO		稳压器开关
页数	文件大小	规格书
13页	225K
描述
Quasi-Resonant Topology Primary Switching Regulators

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中文翻译

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STR-W6735_V 数据手册

STR-W6735

Quasi-Resonant Topology

Primary Switching Regulators

Features and Benefits

Description

▪ Quasi-resonant topology IC  Low EMI noise and soft

switching

▪ Bottom-skip operation  Improved system efficiency

over the entire output load by avoiding increase of

switching frequency

The STR-W6735 is a quasi-resonant topology IC designed for

SMPS applications. It shows lower EMI noise characteristics

than conventional PWM solutions, especially at greater than

2 MHz. It also provides a soft-switching mode to turn on the

internal MOSFET at close to zero voltage (V_DSbottom point)

by use of the resonant characteristic of primary inductance

and a resonant capacitor.

▪ Standby burst mode operation => Lowers input power at

very light output load condition

▪ Avalanche-guaranteed MOSFET  Improves system-

level reliability and does not require V_DSSderating

▪ 500 V / 0.57 Ω, 160 W (120 VAC input)

The package is a fully molded TO-220, which contains the

controllerchip(MIC)andMOSFET,enablingoutputpowerup

to160 Wwitha120VACinput.Thebottom-skipfunctionskips

the first bottom ofV_DSand turns on the MOSFETat the second

bottom point, to minimize an increase of operating frequency

at light output load, improving system-level efficiency over

the entire load range.

Continued on the next page…

Package: 6-pin TO-220

There are two standby functions available to reduce the input

powerunderverylightloadconditions.Thefirstisanauto-burst

modeoperation,thatisinternallytriggeredbyperiodicsensing,

and the other is a manual standby mode, which is executed

by clamping the secondary output. In general applications,

the manual standby mode reduces the input power further

compared to the auto-burst mode.

The soft-start mode minimizes surge voltage and reduces

power stress to the MOSFET and to the secondary rectifying

Continued on the next page…

Typical Application

ErrAmp

GND

Standby

ON/OFF

VCC

LowB

STR-W6735

Standby

Out

Controller

(MIC)

GND

For ErrAmp, Sanken SE series device recommended

For SI, Sanken linear regulator IC recommended

S/GND

ROCP

OCP/BD

/OLP

28103.30-5

SANKEN ELECTRIC CO., LTD.

http://www.sanken-ele.co.jp/en/

12 3 4 5 6 7...13

中文翻译

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与STR-W6735_V相关器件

型号	品牌	获取价格	描述	数据表
STR-W6735N	SANKEN	获取价格	Power IC for Quasi-Resonant Type Switching Power Supply with High Efficiency
STR-W6750F	SANKEN	获取价格	Power IC for Quasi-Resonant Type Switching Power Supply with High Efficiency
STRW6753	ALLEGRO	获取价格	Universal-Input/58 W Off-Line Quasi-Resonant Flyback Switching Regulator
STR-W6753	SANKEN	获取价格	Power IC for Quasi-Resonant Type Switching Power Supply with High Efficiency
STR-W6753	ALLEGRO	获取价格	Universal-Input/58 W Off-Line Quasi-Resonant Flyback Switching Regulator
STRW6754	ALLEGRO	获取价格	Universal-Input/100 W Off-Line Quasi-Resonant Flyback Switching Regulator
STR-W6754	ALLEGRO	获取价格	Universal-Input/100 W Off-Line Quasi-Resonant Flyback Switching Regulator
STR-W6754	SANKEN	获取价格	Power IC for Quasi-Resonant Type Switching Power Supply with High Efficiency
STRW6756	ETC	获取价格	开关电源模块
STR-W6756	ALLEGRO	获取价格	Universal-Input/140 W Off-Line Quasi-Resonant Flyback Switching Regulator

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