ON Semiconductor NCP1652ADR2G

Description
The NCP1652 is a highly integrated controller for implementing power factor correction (PFC) and isolated step-down AC-DC power conversion in a single stage. This design reduces cost and part count. The controller is suitable for notebook adapters, battery chargers, and other offline applications with power requirements between 75 W and 150 W. The single stage is based on the flyback converter and operates in continuous conduction (CCM) or discontinuous conduction (DCM) modes.

Features
Dual control outputs with adjustable non-overlap delay for driving a synchronous rectifier switch, an active clamp switch, or both
Voltage feedforward improves loop response
Frequency jittering reduces EMI signature
Proprietary Soft-Skip™ at light loads reduces acoustic noise
Brown-out detector
Internal 150 ms fault timer
Independent latch-off input facilitates implementation of overvoltage and overtemperature fault detectors
Single-stage PFC and isolated step-down converter
Continuous or discontinuous conduction mode operation
Average current mode control (ACMC), fixed-frequency operation
High-accuracy multiplier reduces input line harmonics
Adjustable operating frequency from 20 kHz to 250 kHz

Applications
Notebook adapters
High-current battery chargers
Front ends for distributed power systems
High-power solid-state lighting