Datasheet > FSDM311_06

FSDM311_06

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		开关
页数	文件大小	规格书
19页	1152K
描述
Green Mode Fairchild Power Switch (FPS TM)

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FSDM311_06 数据手册

July 2006

FSDM311

Green Mode Fairchild Power Switch (FPS™)

Features

Description

The FSDM311, consisting of integrated Pulse-Width

Modulator (PWM) and SenseFET, is specifically

designed for high-performance, off-line Switch Mode

Power Supplies (SMPS) with minimal external

components. This device is an integrated high-voltage,

power-switching regulator which combines a VDMOS

SenseFET with a voltage mode PWM control block. The

integrated PWM controller features include: a fixed

oscillator, Under-Voltage Lockout (UVLO) protection,

Leading Edge Blanking (LEB), an optimized gate turn-

on/turn-off driver, Thermal Shutdown (TSD) protection,

Internal Avalanche Rugged SenseFET

Precision Fixed Operating Frequency (67KHz)

Advanced Burst-Mode Operation (power consumption

< 0.1W at 265VAC, no-load condition)

Internal Start-up Circuit

Pulse-by-Pulse Current Limit

Over-Voltage Protection (OVP)

Over-Load Protection (OLP)

Internal Thermal Shutdown Function (TSD)

Auto-Restart Mode

and

temperature-compensated,

precision-current

sources for loop-compensation and fault-protection

circuitry. When compared to a discrete MOSFET and

controller or RCC switching converter solution, the

FSDM311 device reduces total component count and

design size and weight; while increasing efficiency,

productivity, and system reliability. This device provides

a basic platform that is well suited for the design of cost-

effective flyback converters.

Under-Voltage Lockout (UVLO) with Hysteresis

Built-in Soft-Start

Applications

Charger & Adapter for Mobile Phone, PDA & MP3

Auxiliary Power for White Goods, PC, C-TV & Monitor

Related Application Notes

AN-4137, AN-4141, AN-4147 (Flyback)

AN-4134 (Forward)

AN-4138 (Charger)

Ordering Information

Product Number

FSDM311

Package

8DIP

Marking Code

DM311

BV_DSS

650V

f_OSC

R_{DS (ON)}

14Ω

67KHz

FSDM311L

8LSOP

DM311

14Ω

FPS™ is a trademark of Fairchild Semiconductor Corporation.

FSDM311 Rev. 1.1.0 • 7/14/06

www.fairchildsemi.com

12 3 4 5 6 7...19

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