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IW1678 - Low-Power Off-line Digital Green-Mode PWM Controller

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Datasheet Details

Part number IW1678
Manufacturer iWatt
File Size 574.33 KB
Description Low-Power Off-line Digital Green-Mode PWM Controller
Datasheet download datasheet IW1678-iWatt.pdf

IW1678 Product details

Description

Primary-side feedback eliminates opto-isolators and simplifies design 64-kHz PWM switching frequency No-load power consumption < 100 mW at 230 Vac with tight dynamic load transient response Able to meet < 30 mW no-load power consumption with large value pre-load resistor Adaptive multi-mode PWM/PFM control improves efficiency Quasi-resonant operation for highest overall efficiency EZ-EMI ® design to easily meet global

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