NCP1230GEVB - 

Evaluation Board, PWM Controller, Switched-Mode Power Supplies, Lossless Startup Circuit


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Product Information

Evaluation Board NCP1230
On Semiconductor
Power Management
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Product Overview

The NCP1230GEVB is an evaluation board for evaluating NCP1230 current mode PWM controller with internal ramp compensation. The NCP1230 represents a major leap towards achieving low standby power in medium to high power switched mode power supplies such as notebook adapters, off line battery chargers and consumer electronics equipment. The NCP1230 contains all needed control functionality to build a rugged and efficient power supply. This evaluation board is configured as a two stage adapter power supply. The first stage operates off of the universal input, 85Vac to 265Vac, 50Hz to 60Hz, using the MC33260 critical conduction mode controller, in the boost follower mode. The second stage of the power supply features the NCP1230 driving a flyback power stage. The output of the second stage is 19Vdc capable of 90W of output power.
  • Current mode control
  • Lossless start up circuit
  • Operation over the universal input range
  • Direct connection to PFC controller
  • Low standby
  • Overvoltage protection


Power Management, Consumer Electronics, Portable Devices