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FEBFSL336LRN-CS04U07A-GEVB: Multi-Output Buck Converter

The FEBFSL336LRN-CS04U07A-GEVB integrated Pulse-Width Modulator (PWM) and SenseFET are specifically designed for high-performance offline buck, buck-boost, and non-isolation flyback Switched Mode Power Supplies (SMPS) with minimal external components. This device integrates a high-voltage power regulator that enables operation without auxiliary bias winding. An internal transconductance amplifier reduces external components for the feedback compensation circuit. The integrated PWM controller includes: 10 V regulator for no external bias circuit, Under-Voltage Lockout (UVLO), Leading-Edge Blanking (LEB), an optimized gate turn- on / turn-off driver, EMI attenuator, Thermal Shutdown (TSD), temperature-compensated precision current sources for loop compensation, and fault-protection circuitry. Protections include: Overload Protection (OLP), Over-Voltage Protection (OVP), and Feedback Open-Loop Protection (FB_OLP). FEBFSL336LRN-CS04U07A-GEVB offers good soft-start performance during startup. The internal high-voltage startup switch and the Burst-Mode operation with very low operating current reduce the power loss in Standby Mode. As the result, it is possible to reach power loss of 120 mW without external bias and 25 mW with external bias when input voltage is 230 VAC.
特性和应用

特性

  • Built-in Avalanche-Rugged SenseFET: 650 V
  • Fixed Operating Frequency: 50 kHz
  • No-Load Power Consumption: <25 mW at 230 VAC with External Bias; <120 mW at 230 VAC without External Bias
  • No Need for Auxiliary Bias Winding
  • Frequency Modulation for Attenuating EMI
  • Pulse-by-Pulse Current Limiting
  • Ultra-Low Operating Current: 250 µA
  • Built-in Soft-Start and Startup Circuit
  • Adjustable Peak Current Limit
  • Built-in Transconductance (Error) Amplifier
  • Protections: Overload Protection (OLP), Over-Voltage Protection (OVP), Feedback Open Loop Protection (FB_OLP), Thermal Shutdown (TSD)
  • Fixed 650 ms Restart Time for Safe Auto-Restart Mode of All Protections
评估/开发工具信息
产品 状况 Compliance 简短说明 所用产品 行动
FEBFSL336LRN-CS04U07A-GEVB Active
Pb-free
Multi-Output Buck Converter FSL336LRN
技术文档
类型 文档标题 文档编号/大小 修订号
Eval Board: Manual FEBFSL336LRN-CS04U07A-GEVB User Manual FEBFSL336LRN-CS04U07A-GEVB - 2607 KB  0 
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