Improving Linear Regulator Power Supply Ripple Rejection (PSRR) and Output Noise

Focus:

Techniques for improving power supply ripple rejection (PSRR) and output noise performance of linear regulators.

What you’ll learn:

• How to improve the PSRR and output noise perfomance of linear regulators
• How to understand the factors that determine the PSRR and output noise performance of linear regulators

Notes:

A chart at the end of this article compares the PSRR and output noise performance of different types of linear regulators. This article also appears on Microchip Technology's website at www.microchip.com/stellent/groups/designcenter_sg/documents/market_communication/en028091.pdf

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Author & Publication:

Qi Deng, Senior Product Marketing Engineer, Analog and Interface Products Division, Microchip Technology Inc., Power Management DesignLine, Mar 29 2006

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