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參數資料
| 型號： | FSQ0565RQ |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 3.36 A SWITCHING CONTROLLER, 75.8 kHz SWITCHING FREQ-MAX, ZFM6 |
| 封裝： | ROHS COMPLIANT, TO-220F, 6 PIN |
| 文件頁數： | 1/23頁 |
| 文件大小： | 2856K |
| 代理商： | FSQ0565RQ |
2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
F
S
Q0
565RS
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Q
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Green-Mo
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F
arichild
P
o
wer
Switch
(FPS)
fo
rQu
asi-Resonant
Operation
FSQ0565RS/RQ Rev. 1.0.3
December 2009
FSQ0565RS/RQ
Green-Mode Fairchild Power Switch (FPS) for
Quasi-Resonant Operation - Low EMI and High Efficiency
Features
!
Optimized for Quasi-Resonant Converters (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), 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 Offline Forward
Converters Using Fairchild Power Switch (FPS)
!
AN-4137: Design Guidelines for Offline Flyback
Converters Using Fairchild Power Switch (FPS)
!
AN-4140: Transformer Design Consideration for
Offline 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
Fairchild Power Switch (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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相關代理商/技術參數 |
參數描述 |
|---|---|
| FSQ0565RQLDTU | 功能描述:開關變換器、穩壓器與控制器 SMPS Power switch (QRC) 5A 650V RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FSQ0565RQWDTU | 功能描述:電源開關 IC - 配電 Power Switch 6-Pin 6+Tab RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（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 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| FSQ0565RSLDTU | 功能描述:開關變換器、穩壓器與控制器 SMPS Power switch (QRC) 5A 650V RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FSQ0565RSWDTU | 功能描述:電源開關 IC - 配電 Power Switch 6-Pin 6+Tab RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（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 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| FSQ0565RWDTU | 功能描述:交流/直流開關轉換器 SMPS Power switch 5A 650V RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
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