FAN102: Primary-Side-Regulation PWM Controller

Datasheet: Primary-Side-Control PWM Controller
Rev. 2 (2117kB)
Product Overview
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The primary-side PWM controller significantly simplifies power supply design that requires CV and CC regulation capabilities. The FAN102 controls the output voltage and current precisely with the information in the primary side of the power supply, not only removing the output current sensing loss, but eliminating all secondary feedback circuitry.
The green-mode function with a low startup current (10µA) maximizes the light-load efficiency so the power supply can meet stringent standby power regulations.
Compared with a conventional secondary-side regulation approach, the FAN102 can reduce total cost, component count, size, and weight; while simultaneously increasing efficiency, productivity, and system reliability.
Features
 
  • Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry
  • Green Mode: Frequency Reduction at Light Load
  • Fixed PWM Frequency at 42kHz with Frequency Hopping to Solve EMI Problem
  • Cable Voltage Drop Compensation in CV Mode
  • Low Startup Current: 10µA
  • Low Operating Current: 3.5mA
  • Peak-Current-Mode Control in CV Mode
  • Cycle-by-Cycle Current Limiting
  • VDD Over-Voltage Protection with Auto-Restart
  • VDD Under-Voltage Lockout (UVLO)
  • Gate Output Maximum Voltage Clamped at 18V
  • Fixed Over-temperature Protection with Auto Restart
  • SOP-8 Package Available
Applications
  • Mobile Handsets
  • Lighting
Technical Documentation & Design Resources
Application Notes (1) Package Drawings (1)
Data Sheets (1)  
Product
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Description
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Budgetary Price/Unit
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Type
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Qty.
FAN102MY Obsolete
Pb-free
Halide free
FAN102 SOIC-8 751EB 1 260 Tape and Reel 2500  
Market Leadtime (weeks) : Contact Factory
Case Outlines
751EB   
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