Datasheet > R2A20133ASP

R2A20133ASP

更新时间： 2024-11-21 07:20:15

品牌	Logo	应用领域
瑞萨 - RENESAS		功率因数校正
页数	文件大小	规格书
14页	113K
描述
Critical Conduction Mode PFC Control IC

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R2A20133ASP 数据手册

Preliminary Datasheet

R2A20133ASP

Critical Conduction Mode PFC Control IC

Description

R03DS0049EJ0200

Rev.2.00

Nov 02, 2011

The R2A20133A controls a boost converter to provide an active power factor correction.

The R2A20133A adopts critical conduction mode for power factor correction and realizes high efficiency and a low

switching noise by zero current switching.

Because the zero current is detected by using the GND current, the ZCD Auxiliary winding is unnecessary.

The feedback loop open detection, two mode overvoltage protection, overcurrent protection are built in the R2A20133A,

and can constitute a power supply system of high reliability with few external parts.

Features



Absolute Maximum Ratings

 Supply voltage Vcc: 24 V

 Operating junction temperature Tjopr: –40 to +150°C

Electrical characteristics

 UVLO operation start voltage VH: 12 V  0.8 V

 UVLO operation shutdown voltage VL: 9.2 V  0.7 V

 UVLO hysteresis voltage Hysuvl: 2.8 V  0.7 V



Functions

 Boost converter control with critical conduction mode

 Two mode overvoltage protection and OVP2

Mode 1: Dynamic OVP corresponding to a voltage rise by load change

Mode 2: Static OVP corresponding to overvoltage in stable.

OVP2: OVP2 sense the PFC output voltage by independenced pin.

 Feedback loop open detection

 Overcurrent protection

 Dynamic UVP corresponding to a voltage fall by load change

 Off Time Control function (Frequency Limiter)

 Package lineup: Pb-free SOP-8 (JEDEC)

Ordering Information

Package

Abbreviation

Taping Abbreviation

(Quantity)

Part No.

Package Name

Package Code

R2A20133ASP#W5

—

PRSP0008DJ-A

W (2,500 pcs/reel)

R03DS0049EJ0200 Rev.2.00

Nov 02, 2011

Page 1 of 13

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