FAN7529M

更新时间： 2024-02-27 09:01:15

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		稳压器开关式稳压器或控制器电源电路开关式控制器功率因数校正光电二极管
页数	文件大小	规格书
20页	1740K
描述
Critical Conduction Mode PFC Controller

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中文翻译

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技术参数
数据手册

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FAN7529M 技术参数

是否无铅：	不含铅	生命周期：	Obsolete
Reach Compliance Code：	compliant	Factory Lead Time：	1 week
风险等级：	5.72	Base Number Matches：	1

FAN7529M 数据手册

September 2006

FAN7529

Critical Conduction Mode PFC Controller

Features

Description

Low Total Harmonic Distortion (THD)

Precise Adjustable Output Over-Voltage Protection

Open-Feedback Protection and Disable Function

Zero Current Detector

The FAN7529 is an active power factor correction (PFC)

controller for boost PFC applications that operates in crit-

ical conduction mode (CRM). It uses the voltage mode

PWM that compares an internal ramp signal with the

error amplifier output to generate MOSFET turn-off sig-

nal. Because the voltage-mode CRM PFC controller does

not need rectified AC line voltage information, it saves the

power loss of the input voltage sensing network neces-

sary for the current-mode CRM PFC controller.

150µs Internal Start-up Timer

MOSFET Over-Current Protection

Under-Voltage Lockout with 3.5V Hysteresis

Low Start-up (40µA) and Operating Current (1.5mA)

Totem Pole Output with High State Clamp

+500/-800mA Peak Gate Drive Current

8-Pin DIP or 8-Pin SOP

FAN7529 provides many protection functions, such as

over-voltage protection, open-feedback protection, over-

current protection, and under-voltage lockout protection.

The FAN7529 can be disabled if the INV pin voltage is

lower than 0.45V and the operating current decreases to

65µA. Using a new variable on-time control method,

THD is lower than the conventional CRM boost PFC ICs.

Applications

Adapter

Ballast

LCD TV, CRT TV

SMPS

Related Application Notes

AN-6026 - Design of Power Factor Correction Circuit

Using FAN7529

Ordering Information

OperatingTemp.

Marking

Part Number

FAN7529N

Range

Pb-Free

Yes

Package

8-DIP

Packing Method

Code

-40°C to +125°C

Rail

FAN7529

FAN7529M

Yes

8-SOP

FAN7529MX

Yes

Tape & Reel

FAN7529 Rev. 1.0.0

www.fairchildsemi.com

12 3 4 5 6 7...20

中文翻译

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