參數(shù)資料
型號： FSQ0765RS
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, ZFM6
封裝： GREEN, TO-220F, 6 PIN
文件頁數(shù)： 1/16頁
文件大?。?/td> 3224K
代理商： FSQ0765RS
2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
F
S
Q0765RS
—
Green-Mode
Fair
child
Power
Swit
ch
(FPS)
f
o
rQuasi-Reson
ant
Op
eration
FSQ0765RS Rev. 1.0.0
January 2009
FSQ0765RS
Green-Mode Fairchild Power Switch (FPS) for
Quasi-Resonant Operation - Low EMI and High Efficiency
Features
!
Optimized for Quasi-Resonant Converter (QRC)
!
Low EMI through Variable Frequency Control and AVS
(Alternating Valley Switching)
!
High Efficiency through Minimum Voltage Switching
!
Narrow Frequency Variation Range over Wide Load
and Input Voltage Variation
!
Advanced Burst-Mode Operation for Low Standby
Power Consumption
!
Simple Scheme for Sync-Voltage Detection
!
Pulse-by-Pulse Current Limit
!
Various Protection functions: Overload Protection
(OLP), Over-Voltage Protection (OVP), Abnormal
Over-Current Protection (AOCP), Internal Thermal
Shutdown (TSD) with Hysteresis, Output Short
Protection (OSP)
!
Under-Voltage Lockout (UVLO) with Hysteresis
!
Internal Startup Circuit
!
Internal High-Voltage Sense FET (650V)
!
Built-in Soft-Start (17.5ms)
Applications
!
Power Supply for LCD TV and Monitor, VCR, SVR,
STB, and DVD & DVD Recorder
!
Adapter
Related Resources
Visit: http://www.fairchildsemi.com/apnotes/ for:
!
AN-4134: Design Guidelines for Off-line Forward
Converters Using Fairchild Power Switch (FPS)
!
AN-4137: Design Guidelines for Off-line Flyback
Converters Using Fairchild Power Switch (FPS)
!
AN-4140: Transformer Design Consideration for
off-line Flyback Converters using Fairchild Power
Switch (FPS)
!
AN-4141: Troubleshooting and Design Tips for
Fairchild Power Switch (FPS) Flyback Applications
!
AN-4145: Electromagnetic Compatibility for Power
Converters
!
AN-4147: Design Guidelines for RCD Snubber of
Flyback Converters
!
AN-4148: Audible Noise Reduction Techniques for
FPS Applications
!
AN-4150: Design Guidelines for Flyback Converters
Using FSQ-series Fairchild Power Switch (FPS)
Description
A Quasi-Resonant Converter (QRC) generally shows
lower EMI and higher power conversion efficiency than a
conventional hard-switched converter with a fixed
switching frequency. The FSQ-series is an integrated
Pulse-Width
Modulation
(PWM)
controller
and
SenseFET specifically designed for quasi-resonant
operation and Alternating Valley Switching (AVS). The
PWM controller includes an integrated fixed-frequency
oscillator, Under-Voltage Lockout (UVLO), Leading-
Edge Blanking (LEB), optimized gate driver, internal soft-
start, temperature-compensated precise current sources
for a loop compensation, and self-protection circuitry.
Compared with a discrete MOSFET and PWM controller
solution, the FSQ-series can reduce total cost,
component count, size, and weight; while simultaneously
increasing efficiency, productivity, and system reliability.
This device provides a basic platform for cost-effective
designs of quasi-resonant switching flyback converters.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FSQ0765RSLDTU 功能描述:電源開關(guān) IC - 配電 SMPS Power switch (QRC) 7A 650V RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
FSQ0765RSUDTU 功能描述:電源開關(guān) IC - 配電 SMPS Power switch (QRC) 7A 650V RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
FSQ0765RSWDTU 功能描述:電源開關(guān) IC - 配電 FPS For LCD RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
FSQ0765RWDTU 功能描述:電源開關(guān) IC - 配電 SMPS Power Switch 5A 650V RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
FSQ100 功能描述:電流型 PWM 控制器 0.55A 650V SMPS RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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