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IW1690

Part Number	IW1690
Manufacturer	iWatt
Description	Low-Power Off-line Digital PWM Controller
Published	Dec 21, 2010
Detailed Description	Not Recommended For New Designs iW1690 Low-Power Off-line Digital PWM Controller 1.0 Features • Primary-side feedback...
Datasheet	IW1690 PDF File

Overview

Not Recommended For New Designs iW1690 Low-Power Off-line Digital PWM Controller 1.
0 Features • Primary-side feedback eliminates opto-isolators and simplifies design • Direct drive of BJT switching device • Multi-mode operation for highest overall efficiency • Built-in cable drop compensation • Very tight output voltage regulation • No external compensation components required • Complies with 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 • Optional AC line u...

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