90W Off-Line High Power Factor Correction Module Design

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Abstract:

The design is based on Onsemi power management chip NCP1652, in the input range of voltage 85V~265V, to achieve of 19V 90W off-line high power factor output. Using the NCP1652 double working mode, comparing with a single stage flyback converter, when it works in light/heavy load conditions, the circuit can still have a stable output and a high PF by controlling the circuit working in the CCM/DCM mode. Where, Input voltage: 110V, Output: XV; Input voltage 220V, Output: XV; Input voltage: 110V, Output: XV. Under-Voltage Point: 16V; Over-Voltage Point: 23V; Over-Current Point: 5A; heavy loaded with 1s from the start, the standby power consumption < 1W. Key words:high PFC; NCP1652; flyback converter; off-line

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212-215

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August 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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