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Renesas Technology - Critical Conduction Mode PFC Control IC

Numéro de référence R2A20113SP
Description Critical Conduction Mode PFC Control IC
Fabricant Renesas Technology 
Logo Renesas Technology 





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R2A20113SP fiche technique
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R2A20113DD/SP
Critical Conduction Mode PFC Control IC
REJ03F0279-0100
Rev.1.00
Oct 10, 2008
Description
The R2A20113 controls a boost converter to provide a active power factor correction.
The R2A20113 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 R2A20113,
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
Mode1: Dynamic OVP corresponding to a voltage rise by load change
Mode2: Static OVP corresponding to overvoltage in stable
Feedback loop open detection
Overcurrent protection
Package lineup: Pb-free SOP-8 (JEDEC)/DILP-8
REJ03F0279-0100 Rev.1.00 Oct 10, 2008
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