Renesas Electronics R2A20112DD
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. 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.| Part No. | R2A20112DD |
|---|---|
| Datasheet | R2A20112DD Download |
| Manufacturer |  Renesas Electronics |
| Description | Critical Conduction Mode Interleaved PFC Controller |
| Buy | Stock & Price |
DESCRIPTION
Interleaving function improve ripple current on input or output capacitor by 180 degrees phase shift.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. Ordering Information Part No. Package Name R2A20112SPW0 FP-16DAV R2A20112DDU0 * DP-16FV Note: * Not recommend for new design.
