R2A20112SP - Renesas Electronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

R2A20112SP
Manufacturer

Renesas Electronics
ChipWorker Part#

CW540500462
RoHS

Lead free / RoHS Compliant
Description

Critical Conduction Mode Interleaved PFC Control IC
Documentation

Datasheet

R2A20112SP Global Supplier

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R2A20112SP Specifications

Attribute	Attribute Value

Part Number	R2A20112SP
Manufacturer	Renesas Electronics
ChipWorker Part#	CW540500462
Documentation	Datasheet
Case/Package	SOP
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Product Lifecycle Status	Unknown
RoHS	RoHS Compliant

Product Description

Description
The R2A20112 controls a boost converter to provide an active power factor correction.
The R2A20112 adopts critical conduction mode for power factor correction and realizes high efficiency and a low switching noise by zero current switching.
Interleaving function improve ripple current on input or output capacitor by 180 degrees phase shift.
The feedback loop open detection, two mode overvoltage protection, overcurrent protection are built in the R2A20112, and can constitute a power supply system of high reliability with few external parts.
Features
• Maximum Ratings
⎯ Supply voltage Vcc: 24 V
⎯ Operating junction temperature Tjopr: –40 to +150°C
• Electrical characteristics
⎯ VREF output voltage VREF: 5.0 V ±3%
⎯ UVLO operation start voltage VH: 10.5 V ±0.7 V
⎯ UVLO operation shutdown voltage VL: 9.3 V ±0.5 V
⎯ UVLO hysteresis voltage Hysuvl: 1.2 V ±0.5 V
• Functions
⎯ Boost converter control with critical conduction mode
⎯ Interleaving control
⎯ 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
⎯ Master and Slave independence overcurrent protection
⎯ 280 μs restart timer
⎯ Package lineup: Pb-free SOP-16/DILP-16
Note: Not recommend for new design.

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