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L6566B Multi-mode controller

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Description

L6566B Multi-mode controller for SMPS .

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Features

* Selectable multi-mode operation: fixed frequency or quasi-resonant On-board 700 V high-voltage start-up Advanced light load management Low quiescent current (< 3 mA) Adaptive UVLO Line feedforward for constant power capab

Applications

* Hi-end AC-DC adapter/charger LCD TV/monitor, PDP digital consumer, IT equipment single-stage PFC Figure 1. www. DataSheet4U. com VCC 6.4V + 7.7V Q CS LEB 1.5 V 7 VCC OVPL I HV VCC 5 VOLTAGE REGULATOR & ADAPTIVE UVLO Reference voltages Internal supply UVLO LINE VOLTAGE

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