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iW1761 Datasheet Ultra-low No-load Power Digital Quasi-resonant Pwm Controller

Manufacturer: iWatt

Overview: iW1761 Product Brief Ultra-Low No-Load Power Digital Quasi-Resonant PWM Controller 1.

Datasheet Details

Part number iW1761
Manufacturer iWatt
File Size 314.45 KB
Description Ultra-Low No-Load Power Digital Quasi-Resonant PWM Controller
Datasheet iW1761-iWatt.pdf

Key Features

  • Ultra-low no-load power consumption with lowest system cost (< 10mW at 230VAC in typical 5V/2A,10W power supplies).
  • Primary-side feedback eliminates opto-isolators and simplifies design.
  • Intelligent low power management achieves ultra-low operating current (~300μA) at no-load.
  • Adaptive load transient detection and fast response.
  • Tight constant-voltage and constant-current regulation across line and load range.
  • Proprietary optimized 89k.

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