Datasheet > FAN6755UWMY

FAN6755UWMY

更新时间： 2024-01-18 22:11:41

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		控制器
页数	文件大小	规格书
17页	1280K
描述
mWSaverâ¢ PWM Controller

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中文翻译

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数据手册

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FAN6755UWMY 数据手册

May 2013

FAN6755W / FAN6755UW

mWSaver^™PWM Controller

Features

Description

This highly integrated PWM controller provides several

features to enhance the performance of flyback

converters.

mWSaver^™Technology Provides Industry’s Best-

in-Class Standby Power

<100 mW at 25-mW Load for LCDM Adaptor

Internal High-Voltage JFET Startup

To minimize standby power consumption, a proprietary

adaptive green-mode function reduces switching

frequency at light-load condition. To avoid acoustic-

noise problems, the minimum PWM frequency is set

above 23 kHz. This green-mode function enables the

power supply to meet international power conservation

requirements, such as Energy Star^®. With the internal

high-voltage startup circuitry, the power loss caused by

bleeding resistors is also eliminated. To further reduce

power consumption, FAN6755W/UW uses the BiCMOS

process, which allows an operating current of only

2 mA. The standby power consumption can be under

100 mW for most of LCD monitor power supply designs.

Low Operating Current: Under 2 mA

Adaptively Decrease PWM Frequency to

23 kHz at Light-Load Condition for Better

Efficiency

Feedback Impedance Switching During

Minimum Load or No Load

Proprietary Asynchronous Frequency Hopping

Technique that Reduces EMI

Fixed PWM Frequency: 65 kHz (FAN6755W),

130 kHz (FAN6755UW)

FAN6755W/UW

integrates

frequency-hopping

Internal Leading-Edge Blanking

function that reduces EMI emission of a power supply

with minimum line filters. The built-in synchronized

slope compensation achieves a stable peak-current-

mode control and improves noise immunity. The

proprietary line compensation ensures constant output

power limit over a wide AC input voltage range from

Built-in Synchronized Slope Compensation

Auto-Restart Protection: Feedback Open-Loop

Protection (OLP), V_DDOver-Voltage Protection

(OVP), Over-Temperature Protection (OTP), and

Line Over-Voltage Protection

90 V_ACto 264 V_AC

Soft Gate Drive with Clamped Output Voltage: 18 V

V_DDUnder-Voltage Lockout (UVLO)

FAN6755W/UW provides many protection functions.

The internal feedback open-loop protection circuit

protects the power supply from open-feedback-loop

condition or output-short condition. It also has line

under-voltage protection (brownout protection) and

over-voltage protection using an input voltage sensing

pin (V_IN).

Programmable Constant Power Limit

(Full AC Input Range)

Internal OTP Sensor with Hysteresis

Build-in 5-ms Soft-Start Function

Input Voltage Sensing (V_INPin) for Brown-In/Out

Protection with Hysteresis and Line Over-Voltage

Protection

FAN6755W/UW is available in a 7-pin SOP package.

Applications

General-purpose switched-mode power supplies and

flyback power converters, including:

LCD Monitor Power Supply

Open-Frame SMPS

ENERGY STAR® is a registered trademark of the U.S. Department of Energy and the U.S. Environmental Protection Agency.

www.fairchildsemi.com

FAN6755W / FAN6755UW • Rev. 1.0.7

12 3 4 5 6 7...17

中文翻译

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与FAN6755UWMY相关器件

型号	品牌	获取价格	描述	数据表
FAN6755W	FAIRCHILD	获取价格	mWSaverâ¢ PWM Controller
FAN6755WMY	FAIRCHILD	获取价格	mWSaverâ¢ PWM Controller
FAN6755WMY	ONSEMI	获取价格	用于 65 KHz 反激式转换器的绿色模式 PWM 控制器，提供线路过压保护和通电/欠压保
FAN6756	FAIRCHILD	获取价格	FAN6756â mWSaverâ¢ PWM Controller
FAN6756AMRMY	FAIRCHILD	获取价格	FAN6756â mWSaverâ¢ PWM Controller
FAN6756MLMY	FAIRCHILD	获取价格	New Products, Tips and Tools for Power and Mobile Applications
FAN6756MRMY	FAIRCHILD	获取价格	New Products, Tips and Tools for Power and Mobile Applications
FAN6757MRMX	FAIRCHILD	获取价格	Switching Controller, Current-mode, 68kHz Switching Freq-Max, PDSO8
FAN6757MRMX	ONSEMI	获取价格	mWSaver™ PWM 控制器，用于反激转换器，65KHz，X 盖帽放电
FAN6791	FAIRCHILD	获取价格	Highly Integrated, Dual-PWM Combination Controller

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