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Products: AC-DC ICs: iW1689

iW1689: Low-Power Off-line Digital PWM Controller

Features

Primary-side feedback eliminates opto-isolators and simplifies design
Multi-mode operation for highest overall efficiency
±4% typical output voltage regulation
No external compensation components required
Complies with CEC/EPA/IEC no load power consumption and average efficiency regulations
Built-in secondary constant-current control with primary-side feedback
Low start-up current (8 µA typical)
Built-in soft start
Built-in short circuit protection
AC line under/overvoltage and output overvoltage protection
Fixed 40 kHz switching frequency
Available in a space-saving SOT-23 package

Datasheet
Application Note
White Paper
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News

July 08, 2008
iWatt, Inc. Raises $12.4 Million in Series E Financing

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

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