NCP4331 Synchronous Buck Controller for High Efficiency Post Regulation The NCP4331 houses a dual MOSFET driver intended to be used as a companion chip in ac-dc or dc-dc multi-output post regulated power supplies.
Directly fed by the secondary ac signal, the device keeps power dissipation to the lowest while reducing external component count.
Further, the implementation of N-channel MOSFETs gives NCP4331-based applications a significant advantage in terms of efficiency.
Features •ăHigh Gate Drive Capability •ăBootstrap for N-MOSFET High-Side Drive •ăTwo Embedded Error Amplifiers Allowing Constant Current Constant Voltage (CCCV) Operation •ă±1.
5% Regulation Voltage Reference Over 0°C to 85°C...

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