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80W high performance current mode PFC controller operating in conversion mode based on L6562A

STEVAL-ISA102V2

Overview

The L6562A is a current-mode PFC controller operating in transition mode (TM). With the same pinout as its L6562 predecessor, the L6562A offers improved performance mainly in terms of efficiency and noise immunity.

The STEVAL-ISA102V2 implements an 80 W, wide-range mains input and a PFC pre-conditioner suitable for lighting, adapters, consumer smps, etc.

Main features

Line voltage range: 88 to 265 V_AC
Minimum line frequency (f_L): 47 Hz
Regulated output voltage: 400 V
Rated output power: 80 W
Maximum 2f_L output voltage ripple: 10 V pk-pk
Hold-up time: 20 ms (V_DROP after hold-up time: 300 V)

Minimum switching frequency: 35 kHz
Minimum estimated efficiency: 92% (V_IN = 90 V_AC, P_OUT = 80 W)
Maximum ambient temperature: 50 °C
PCB type and size: single-side, 35 μm, CEM-1, 108 x 57 mm
RoHS compliant

Design Files

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Update:2025-07-29 12:57:52

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