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RT7300GS

PFC Controller, 12V to 25V Supply, 16V Lockout, 20 µA Startup, 2.5mA Operating, 120kHz, SOP-8

RT7300GS - PFC Controller, 12V to 25V Supply, 16V Lockout, 20 µA Startup, 2.5mA Operating, 120kHz, SOP-8

Image is for illustrative purposes only. Please refer to product description.

Manufacturer:
RICHTEK RICHTEK
Manufacturer Part No:
RT7300GS
Order Code:
2392687
Technical Datasheet:
RT7300GS   Datasheet
See all Technical Docs

Product Overview

The RT7300GS is an Active Power Factor Controller with critical conduction mode. It 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. The RT7300 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.
  • Critical conduction mode (CRM) operation
  • Constant on-time control (voltage mode)
  • Near unity power factor
  • <20µA Ultralow start-up current
  • Input voltage feed-forward compensation
  • DCM THD optimization
  • Fast dynamic response
  • Light load burst mode operation
  • Brown-in/brown-out detection
  • Disable function
  • Maximum/minimum on-time limit
  • Cycle-by-cycle current limit
  • Output over voltage protection (OVP)
  • Output under voltage protection (UVP)
  • Under voltage lockout (UVLO)

Applications

LED Lighting, Consumer Electronics, Computers & Computer Peripherals, Power Management

Product Information

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:
16V

:
12V

:
25V

:
20µA

:
2.5mA

:
SOP

:
8Pins

:
-

:
120kHz

:
-40°C

:
125°C

:
-

:
MSL 3 - 168 hours
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