iW3625 Product Summary
Off-Line Digital Power Controller for LED Driver with High Power Factor and Low-Ripple Current
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iW3625 Product Summary
Off-Line Digital Power Controller for LED Driver with High Power Factor and Low-Ripple Current
1.0 Features
2.0 Description
●● All-in-one non-dimmable low-cost off-line LED driver
●● Supports buck topology for high efficiency (> 90%)
●● Supports universal input
voltage range (90VAC – 277VAC) and output power up to 45W
●● High power factor (PF) with low current-ripple control technology
●● User-configurable power factor setting (> 0.7 to > 0.95)
●● Able to achieve low THD (< 20%)
●● User-configurable internal or external over-temperature protection (OTP) with temperature-current derating
●● Tight LED current regulation (±5%) across line and load, and within power inductance tolerance (±20%)
●● Stabilized LED current-ripple control without visible shimmer or flicker
●● Active start-up scheme enables fastest possible start-up
●● 72kHz nominal PWM switching frequency with quasiresonant operation
●● EZ-EMI® desi...