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ICs for PFC Power Supply

Equipped with a variety of functions for improving efficiency, driving higher efficiency and eco-friendliness for power supply systems of electric devices, and thus society as a whole. Driver ICs are also available for high-accuracy, high-efficiency LED lighting systems.

 

Product Information:

 

1-page product guides are available by clicking each Part No. in the table.
If you want a datasheet, please download from Product Lineup at the bottom.

 

CCM: Continuous Conduction Mode, CRM: Critical Conduction Mode

 

 

Mode Part No. Features
CCM Interleave R2A20114
R2A20104
- Support for high-power equipment.
- Achieve miniaturization, high efficiency and low noise.
- Light-load efficiency improvement function.
Single HA16174 - Built-in a power-good function.
- Cover a wide range of powers.
R2A20111 - Cover a wide range of powers.
R2A20115 - High-accuracy constant power limiter and over-current limiter.
- Achive high-accuracy of output voltage
R2A20131

- Improve the efficiency of light load.
- Reduce standby power
- Built-in a power-good function.

 

News Release (2010.11.08)

CRM Interleave R2A20112 - Support for low noise and high efficiency.
- Achieve thinness, miniaturization and low noise.
R2A20132 - Support for low noise and high efficiency.
- Achieve thinness, miniaturization and low noise.
- Light-load efficiency improvement function.
R2A20117 - Support for low noise and high efficiency.
- Achieve thinness, miniaturization and low noise.
- Strengthen a protection function.
R2A20118A - Support for low noise and high efficiency.
- Achieve thinness, miniaturization and low noise.
- Added new functions of Brownout and OVP2 to R2A20117.
- Improve power factor more by RAMP_Gain switching function.
Single R2A20113 - Support for small-power equipment.
- Secondary winding less
R2A20113A - Improvement version of R2A20113 (pin-compatible)
- Improve the efficiency of light load.
- Support for low-power equipment.
- Secondary winding less
LED Lighting use R2A20134 R2A20135

- High efficiency and high power factor
- High cost performance

 

Please refer to the page of ICs for LED Lighting (ASSP)

Below you will find information to support the development of your application.

 

Resources for Software and Hardware

Title Description
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e-learning Information for studying and learning about microcontrollers and microprocessors.
FAQ Frequently asked questions and useful hints for development.
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Video Watch videos related to this product.

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