IRS2505L
Overview
The IRS2505L is a control IC for boost-type PFC circuits operating in critical-conduction mode.
IRS2505L is a micro-PFC controller IC in 5-pin SOT-23 package for low power PFC boost front end up to 150 W. Critical conduction mode operation including smart ZX sensing through MOSFET gate drive pin. IRS2505L meets EN61000-3-2 class C limits for lighting applications.
Benefits
- Critical-conduction mode PFC control
- High PF and ultra-low THD
- Wide load and line range
- Regulated and programmable DC bus voltage
- No secondary winding required
- MOSFET cycle-by-cycle over-current protection
- DC bus over-voltage protection
- Low EMI gate drive
- Ultra-low start-up current
- 20.8V internal zener clamp on VCC
- Excellent ESD and latch immunity
- RoHS compliant
- 5-pin SOT-23 package
Potential Applications
- Lighting
- PFC
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