FSD210DH

更新时间： 2024-09-24 03:37:55

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		转换器开关
页数	文件大小	规格书
15页	527K
描述
Green Mode Fairchild Power Switch (FPS?) for Valley Switching Converter ? Low EMI and High Efficiency

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FSD210DH 数据手册

September 2008

FSQ510, FSQ510H, and FSQ510M

Green Mode Fairchild Power Switch (FPS™)

for Valley Switching Converter – Low EMI and High Efficiency

Features

Description

A Valley Switching Converter (VSC) generally shows

lower EMI and higher power conversion efficiency than

a conventional hard-switched converter with a fixed

switching frequency. The FSQ510 (H or M) is an

integrated valley switching pulse width modulation (VS-

PWM) controller and SenseFET specifically designed

for offline switch-mode power supplies (SMPS) for

valley switching with minimal external components. The

VS-PWM controller includes an integrated oscillator,

under-voltage lockout (UVLO), leading-edge blanking

(LEB), optimized gate driver, internal soft-start,

temperature-compensated precise current sources for

loop compensation, and self-protection circuitry.

Uses an LDMOS Integrated Power Switch

Optimized for Valley Switching Converter (VSC)

Low EMI through Variable Frequency Control and

Inherent Frequency Modulation

High Efficiency through Minimum Drain Voltage

Switching

Extended Valley Switching for Wide Load Ranges

Small Frequency Variation for Wide Load Ranges

Advanced Burst-Mode Operation for Low Standby

Power Consumption

Compared with discrete MOSFET and PWM controller

solutions, the FSQ510 (H or M) can reduce total cost,

component count, size and weight; while simultaneously

increasing efficiency, productivity, and system reliability.

This device provides a platform for cost-effective designs

of a valley switching flyback converters.

Pulse-by-Pulse Current Limit

Protection Functions: Overload Protection (OLP),

Internal Thermal Shutdown (TSD) with Hysteresis

Under-Voltage Lockout (UVLO) with Hysteresis

Internal Startup Circuit

Internal High-Voltage SenseFET: 700V

Built-in Soft-Start: 5ms

Applications

Auxiliary Power Supplies for LCD TV, LCD Monitor,

Personal Computer, and White Goods

Ordering Information

Output Power Table ⁽¹⁾

Replaces

Operating

Junction

230V_AC± 15%⁽²⁾

85-265V_AC

Part

Number

Current R_DS(ON)

Limit (MAX)

Package

Eco

Status

Devices

Open

Adapter⁽³⁾

Open

Adapter⁽³⁾

Temperature

Frame⁽⁴⁾

FSQ510

7-DIP

FSD210B

FSD210DH

FSD210BM

FSQ510H 8-DIP

RoHS

320mA

5.5W

-40 to +130°C

32Ω

FSQ510M 7-MLSOP

For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.

Notes:

1. The junction temperature can limit the maximum output power.

2. 230V_ACor 100/115V_ACwith voltage doubler.

3. Typical continuous power with a Fairchild charger evaluation board described in this datasheet in a non-

ventilated, enclosed adapter housing, measured at 50°C ambient temperature.

4. Maximum practical continuous power for auxiliary power supplies in an open-frame design at 50°C ambient temperature.

www.fairchildsemi.com

FSQ510, FSQ510H, and FSQ510M • Rev. 1.2.0

12 3 4 5 6 7...15

中文翻译

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