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FSQ500L: 700V Integrated Power Switch with 130kHz frequency and no bias winding for 2.5W offline flyback converters

Datasheet: FSQ500L-D.pdf
Rev. A (598kB)
Product Overview
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»View Material Composition
» Product Change Notification
The FSQ500L is specially designed for a replacement of linear power supplies with low cost. This device combines current-mode Pulse Width Modulator (PWM) with a senseFET. The integrated PWM controller features include: a fixed oscillator, Under Voltage Lockout (UVLO) protection, Overload Protection (OLP), Leading-Edge Blanking (LEB), an optimized gate turn-on/turn-off driver, Thermal Shutdown (TSD) protection with hysteresis, and temperature-compensated precision-current sources for loop compensation. When compared to a linear power supply, the FSQ500L device reduces total size and weight, while increasing efficiency, productivity, and system reliability. This device provides a basic platform for cost-effective flyback converters
Features
 
  • Single Chip 700V SenseFET Power Switch
  • Precision Fixed Operating Frequency: 130kHz
  • No-load consumption 250mW at 265VAC with Burst Mode and Down to 60mW with External Bias
  • Internal Startup Switch
  • Soft-Start Time Tuned by External Capacitor
  • Under-Voltage Lockout (UVLO) with Hysteresis
  • Pulse-by-Pulse Current Limit
  • Overload Protection (OLP) and Internal Thermal Shutdown Function (TSD) with Hysteresis
  • Auto-Restart Mode
  • No Need for Auxiliary Bias Winding
Applications
  • DVD
  • STB
  • Video Game Console
  • Consumer Appliances
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
FEBFSQ500L-H257V1-GEVB Active
Pb-free
Compact, Green-Mode Controller FSQ500L; 5.1 V / 400 mA Flyback Design
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
FSQ500L Active
Pb-free
Halide free
FSQ500L SOT-223-4 / TO-261-4 318H-01 1 260 Tape and Reel 4000 $0.4437
Market Leadtime (weeks) : 13 to 16

Product
Description
Pricing ($/Unit)
Compliance
Status
Control Mode
fsw Typ (kHz)
fJitter Typ (%)
Stand-by Mode
RDS(ON) Typ (Ω)
V(BR)DSS Max (V)
IPeak (mA)
HV Start-up Min (V)
DSS (mA)
UVLO
Short Circuit Protection
Over Power Compensation
Brown-out
Latch
Package Type
FSQ500L  
 $0.4437 
Pb
H
 Active   
Current Mode
130
25
700
280
Yes
Yes
Yes
No
SOT-223-4 / TO-261-4
Case Outlines
318H-01   
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