FEBFSL126MR-H432V1-GEVB: 5V, 12V Green-Mode Power Switch

The FEBFSL126MR-H432V1-GEVB integrated Pulse Width Modulator (PWM) and SenseFET is specifically designed for high-performance offline Switch-Mode Power Supplies (SMPS) with minimal external components. FEBFSL126MR-H432V1-GEVB includes integrated high-voltage power switching regulators that combine an avalanche-rugged SenseFET with a current-mode PWM control block.

The integrated PWM controller includes: Under-Voltage Lockout (UVLO) protection, Leading-Edge Blanking (LEB), a frequency generator for EMI attenuation, 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. The FEBFSL126MR-H432V1-GEVB offers good soft-start performance. When compared to a discrete MOSFET and controller or RCC switching converter solution, the FEBFSL126MR-H432V1-GEVB reduces total component count, design size, and weight; while increasing efficiency, productivity, and system reliability. This device provides a basic platform that is well suited for the design of cost-effective flyback converters.
Features and Applications

Features

  • Low Operating Current: 1.8mA
  • Under-Voltage Lockout (UVLO)
  • Auto-Restart Mode
  • Protections: Over-Voltage Protection (OVP), Overload Protection (OLP), Output-Short Protection (OSP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown Function with Hysteresis (TSD)
  • Built-in Soft-Start: 15ms
  • Pulse-by-Pulse Current Limiting
  • Internal Startup Circuit
  • Fixed Operating Frequency with Frequency Modulation for Attenuating EMI
  • Internal Avalanche-Rugged SenseFET (650V)
  • Under 50mW Standby Power Consumption at 265VAC, No-load Condition with Burst Mode
  • Adjustable Peak Current Limit
Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
FEBFSL126MR-H432V1-GEVB
Pb-free
5V, 12V Green-Mode Power Switch FSL126MR
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: Manual FEBFSL126MR-H432V1-GEVB User Manual FEBFSL126MR_H432V1D.O - 2193 KB  0 
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