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Products: AC-DC ICs: iW1690

iW1690: Low-Power Off-Line Digital PWM Controller

Features

Primary-side feedback eliminates opto-isolators and simplifies design
Built-in cable drop compensation
Direct drive of BJT switching device
Very tight output voltage regulation
No external compensation components required
Exceeds CEC/EPA no load power consumption and average efficiency regulations
Built-in output constant-current control with primary-side feedback
Low start-up current (10 µA typical)
Built-in soft start
Built-in short circuit protection and output overvoltage protection
Fixed switching frequency: 45 kHz or 65 kHz
Optional AC line under/overvoltage protection
Dynamic base current control
Built-in current sense resistor short protection

Datasheet
Application Note
White Paper
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News

March 12, 2008
Ron Edgerton Named New President and CEO of iWatt, Inc.

July 14, 2007
iWatt and ICE Components Enter Agreement to Promote Patented IKOR® Coupled Inductor Technology

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