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iW1691 Datasheet Digital Pwm Current-mode Controller

Manufacturer: iWatt

Overview: iW1691 Digital PWM Current-Mode Controller for Quasi-Resonant Operation 1.

Datasheet Details

Part number iW1691
Manufacturer iWatt
File Size 1.36 MB
Description Digital PWM Current-Mode Controller
Datasheet iW1691-iWatt.pdf

General Description

The iW1691 is a high performance AC/DC power supply controller which uses digital control technology to build peak current mode PWM flyback power supplies.

The device operates in quasi-resonant mode at heavy load to provide high efficiency along with a number of key built-in protection

Key Features

  • Primary-side feedback eliminates opto-isolators and simplifies design.
  • Quasi-resonant operation for highest overall efficiency.
  • EZ-EMI ® design to easily meet global EMI standards.
  • Up to 130 kHz switching frequency enables small adapter size.
  • Built-in cable drop compensation.
  • Very tight output voltage regulation.
  • No external compensation components required.
  • Complies with CEC/EPA no-load power consumption and averag.

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iW1691 Distributor