ICL8800

概要

Single-stage PFC flyback controller for constant voltage output

The ICL8800 is a single-stage PFC flyback controller for constant voltage output suitable for primary and secondary side regulation. ICL8800 enables cost-optimized platform designs with exceptional PFC and THD performance at full load and low load. The ICL8800 is the cost-effective basic variant. The ICL8810 has integrated burst mode. The ICL8820 adds built-in jitter.

特長

  • Constant voltage output
  • Power factor > 0.9
  • THD < 10% across wide load range
  • External start-up control signal
  • Critical conduction mode + QR mode
  • QR mode with smart valley hopping

利点

  • Low BOM for 2-stage topologies
  • Cost-effective with optimal efficiency
  • DCM for frequency foldback
  • QR operation for high efficiency

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