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RT7300 - Active PFC Controller

Description

The RT7300 is an active Power Factor Correction (PFC) controller with critical conduction mode (CRM) operation that is designed to meet line current harmonic regulations for the applications of AC/DC adapters, electronic ballasts and medium off-line power converters (

Features

  • an extra low start-up current (≤20μA) and supports a disable function to reduce power consumption in standby mode, which makes it easy to comply with energy saving regulations such as Blue Angel, Energy Star and Energy 2000. This controller integrates comprehensive safety protection functions for robust designs including input under voltage lockout, output over voltage protection, under voltage protection and cycle-by-cycle current limit. The RT7300 is a cost-effective solution for PFC power con.

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Datasheet Details

Part number RT7300
Manufacturer Richtek
File Size 309.82 KB
Description Active PFC Controller
Datasheet download datasheet RT7300 Datasheet

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Full PDF Text Transcription

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® RT7300 Active PFC Controller with Critical Conduction Mode General Description The RT7300 is an active Power Factor Correction (PFC) controller with critical conduction mode (CRM) operation that is designed to meet line current harmonic regulations for the applications of AC/DC adapters, electronic ballasts and medium off-line power converters (<300W). The CRM and Feed-Forward schemes provide near unity power factor across a wide range of input voltages and output powers. The totem-pole gate driver with 600mA sourcing current and 800mA sinking current provides powerful driving capability for P-MOSFET to improve conversion efficiency.
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