FSFM260

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26W FPS

General Description

The FSFM260N/261N/300N is an integrated Pulse Width Modulator (PWM) and SenseFET specifically designed for high-performance offline Switch Mode Power Supplies (SMPS) with minimal external components.This device is an integrated high-voltage power switching regulator that combines an avalanche-rugged SenseFET with a current-mode PWM control block. The PWM controller includes an integrated fixed-frequency oscillator, under-voltage lockout (UVLO), leading-edge blanking (LEB), optimized gate driver, internal soft-start, temperature-compensated precise-current sources for a loop compensation, and self-protection circuitry. Compared with discrete MOSFET and PWM controller solutions, it can reduce total cost, component count, size, and weight while simultaneously increasing efficiency, productivity, and system reliability. This device is a basic platform for cost-effective designs of flyback converters.

Product Status/Pricing/Packing

Product Product Status Eco Status *Pricing Package Type Leads Packing Method Package Drawing **Package Marking Convention RoHS IPC1752 RoHS/REACH/JIG Certificate of Compliance
FSFM260N Full Production ROHS Compliant $0.82 DIP 8 RAIL PDF Line 1:$Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code) &K
Line 2:FM260N
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Features

  • Internal Avalanche-Rugged SenseFET
  • Advanced Burst-Mode Operation Consumes Under 1W at 240VAC and 0.5W Load
  • Precision Fixed Operating Frequency: 67kHz
  • Internal Startup Circuit
  • Over-Voltage Protection (OVP)
  • Overload Protection (OLP)
  • Internal Thermal Shutdown Function (TSD)
  • Abnormal Over-Current Protection (AOCP)
  • Auto-Restart Mode
  • Under-Voltage Lockout (UVLO) with Hysteresis
  • Low Operating Current: 2.5mA
  • Built-in Soft-Start: 15ms

Applications

  • TBA

Application Notes

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