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| 型号： | FSQ311 |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/21页 |
| 文件大小： | 0K |
| 描述： | IC PWM FLYBCK ISO CM 8DIP |
| 标准包装： | 50 |
| 输出隔离： | 隔离 |
| 输入电压： | 9 V ~ 20 V |
| 输出电压： | 650V |
| 功率（瓦特）： | 10W |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-DIP |
| 包装： | 管件 |
August 2011
FSQ0365, FSQ0265, FSQ0165, FSQ321
Green Mode Fairchild Power Switch (FPS?)
for Valley Switching Converter – Low EMI and High Efficiency
Features
? Optimized for Valley Switching Converter (VSC)
? Low EMI through Variable Frequency Control and
Inherent Frequency Modulation
? 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
? Pulse-by-Pulse Current Limit
? Protection Functions: Overload Protection (OLP),
Over-Voltage Protection (OVP), Abnormal Over-
Current Protection (AOCP), Internal Thermal
Shutdown (TSD)
? Under-Voltage Lockout (UVLO) with Hysteresis
? Internal Startup Circuit
? Internal High-Voltage SenseFET: 650V
Description
A Valley Switching Converter 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 valley switching
operation with minimal external components. The PWM
controller includes an integrated fixed-frequency
oscillator, under-voltage lockout, Leading-Edge Blanking
(LEB), optimized gate driver, internal soft-start,
temperature-compensated precise current sources for
loop compensation, and self-protection circuitry.
Compared with discrete MOSFET and PWM controller
solutions, the FSQ-series reduces 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 valley switching fly-back converters.
Related Application Notes
? AN-4137 - Design Guidelines for Offline Flyback
Converters Using Fairchild Power Switch (FPS?)
? Built-in Soft-Start: 15ms
Applications
? Power Supplies for DVP Player, DVD Recorder,
Set-Top Box
? Adapter
? Auxiliary Power Supply for PC, LCD TV, and PDP TV
? 2007 Fairchild Semiconductor Corporation
FSQ0365, FSQ0265, FSQ0165, FSQ321 ? Rev. 1.0.6
?
?
?
?
AN-4141 - Troubleshooting and Design Tips for
Fairchild Power Switch (FPS?) Flyback
Applications
AN-4147 - Design Guidelines for RCD Snubber of
Flyback Converters
AN-4150 - Design Guidelines for Flyback
Converters Using FSQ-series Fairchild Power
Switch (FPS?)
AN-4134 - Design Guidelines for Off-line Forward
Converters Using Fairchild Power Switch (FPS?)
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FSQ311L | 功能描述:电源开关 IC - 配电 SMPS Power Switch RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| FSQ3120RJ | 功能描述:线绕电阻器 - 透孔 FSQ3 120R 5% RoHS:否 制造商:Bourns 电阻:10 Ohms 容差:5 % 功率额定值:7 W 温度系数:200 PPM / C 系列:FW 端接类型:Axial 工作温度范围:- 55 C to + 155 C 尺寸:9.5 mm Dia. x 26 mm L 封装:Ammo 产品:Power Resistors Wirewound High Energy |
| FSQ321 | 功能描述:开关变换器、稳压器与控制器 SMPS Power Switch RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| FSQ321L | 功能描述:开关变换器、稳压器与控制器 SMPS Power Switch RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| FSQ321LX | 功能描述:开关变换器、稳压器与控制器 0.5A, 650V SMPS Power Switch RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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