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FSBH0F70A-F116 PDF预览

FSBH0F70A-F116

更新时间： 2024-11-19 21:15:51
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 信息通信管理光电二极管
页数 文件大小 规格书
16页 938K
描述
Switching Regulator/Controller, Current-mode, 106kHz Switching Freq-Max, BICMOS, PDIP8

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FSBH0F70A-F116 技术参数

是否Rohs认证： 符合生命周期：Obsolete
Reach Compliance Code：unknown风险等级：5.84
控制模式：CURRENT-MODEJESD-30 代码：R-PDIP-T8
端子数量：8最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
认证状态：Not Qualified子类别：Switching Regulator or Controllers
表面贴装：NO最大切换频率：106 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUALBase Number Matches：1

FSBH0F70A-F116 数据手册

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April 2011  
FSBH0F70A _F116, FSBH0170_F116,  
FSBH0270_F116, FSBH0370_F116  
Green Mode Fairchild Power Switch (FPS™)  
Features  
Description  
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Brownout Protection with Hysteresis  
Built-In 5ms Soft-Start Function  
The highly integrated FSBH-series consists of an  
integrated current-mode Pulse Width Modulator (PWM)  
and an avalanche-rugged 700V SenseFET. It is  
specifically designed for high-performance offline  
Switched-Mode Power Supplies (SMPS) with minimal  
external components.  
Internal Avalanche-Rugged 700V SenseFET  
Low Acoustic Noise During Light-Load Operation  
High-Voltage Startup  
The integrated PWM controller features include a  
proprietary green-mode function that provides off-time  
modulation to linearly decrease the switching frequency  
at light-load conditions to minimize standby power  
consumption. To avoid acoustic-noise problems, the  
minimum PWM frequency is set above 18kHz. This  
green-mode function enables the power supply to meet  
international power conservation requirements. The  
PWM controller is manufactured using the BiCMOS  
process to further reduce power consumption. The  
FSBH-series turns off some internal circuits to improve  
power saving when VFB is lower than 1.6V, which allows  
an operating current of only 2.5mA.  
Linearly Decreasing PWM Frequency to 18KHz  
Peak-Current-Mode Control  
Cycle-by-Cycle Current Limiting  
Leading-Edge Blanking (LEB)  
Synchronized Slope Compensation  
Internal Open-Loop Protection  
VDD Under-Voltage Lockout (UVLO)  
VDD Over-Voltage Protection (OVP)  
Internal Auto-Restart Circuit (OVP, OTP)  
Constant Power Limit (Full AC Input Range)  
Internal OTP Sensor with Hysteresis  
The FSBH-series has built-in synchronized slope  
compensation to achieve stable peak-current-mode  
control. The proprietary external line compensation  
ensures constant output power limit over a wide AC  
VIN Pin for Pull-HIGH Latch Function and  
Pull-LOW Auto-Recovery Protection  
input voltage range, from 90VAC to 264VAC  
.
The FSBH-series provides many protection functions. In  
addition to cycle-by-cycle current limiting, the internal  
open-loop protection circuit ensures safety when an  
open-loop or output short occurs. PWM output is  
disabled until VDD drops below the VTH-OLP, then the  
controller starts up again. As long as VDD exceeds 28V,  
the internal OVP circuit is triggered.  
Applications  
General-purpose switched-mode power supplies and  
flyback power converters, including:  
.
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Auxiliary Power Supply for PC and Server  
SMPS for VCR, SVR, STB, DVD & DVCD Player,  
Printer, Facsimile, and Scanner  
Compared with a discrete MOSFET and controller or  
RCC switching converter solution, the FSBH-series  
reduces component count, design size, and weight;  
while increasing efficiency, productivity, and system  
reliability. These devices provide a basic platform that is  
well suited for the design of cost-effective flyback  
converters, such as in PC auxiliary power supplies.  
.
Adapter for Camcorder  
© 2010 Fairchild Semiconductor Corporation  
www.fairchildsemi.com  
FSBH0F70A_F116, FSBH0170/0270/0370_F116 • Rev. 1.0.1  
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