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FSQ0270RNA: 700V Integrated Power Switch with 100kHz for 16W offline flyback converters

Datasheet: FSQ0270RNA-D.pdf
Rev. A (495kB)
Product Overview
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The FSQ0170RNA, and FSQ0270RNA, consists of an integrated current mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V Sense FET. It is specifically designed for high-performance off-line Switch Mode Power Supplies (SMPS) with minimal external components. The integrated PWM controller features include: a fixed-frequency generating oscillator, Under-Voltage Lockout (UVLO) protection, Leading Edge Blanking (LEB), an optimized gate turn-on/ turn-off driver, Thermal Shutdown (TSD) protection, and temperature compensated precision current sources for loop compensation and fault protection circuitry. Compared to a discrete MOSFET and controller or RCC switching converter solution, the FSQ0170RNA, and FSQ0270RNA reduces total 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, as in PC auxiliary power supplies.
Features
 
  • Internal Avalanche Rugged 700V SenseFET
  • Consumes only 0.8W at 230 VAC & 0.5W Load with Burst-Mode Operation
  • Precision Fixed Operating Frequency, 100kHz
  • Internal Startup Circuit and Built-in Soft-Start
  • Pulse-by-Pulse Current Limiting and Auto-Restart Mode
  • Over-Voltage Protection (OVP), Overload Protection (OLP), Internal Thermal Shutdown Function (TSD)
  • Under-Voltage Lockout (UVLO)
  • Low Operating Current (3mA)
  • Adjustable Peak Current Limit
Applications
  • Desktop PC
  • LCD TV
  • PDP TV
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
FSQ0270RNA Active
Pb-free
Halide free
FSQ0270RNA PDIP-8 626-05 NA Tube 3000 $0.66
Market Leadtime (weeks) : Contact Factory
Case Outlines
626-05   
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