Maintain Power-Conversion Efficiency While Saving PCB Space

Focus:

When stepping down a battery's 3.6 V to levels such as 1.8 V and 1.5 V the use of a switching regulator in combination with a split-rail low-dropout linear regulator (LDO) makes it possible to generate these two voltage rails with high efficiency while still maintaining a small footprint.

What you’ll learn:

• How to stepdown Li-ion and other battery voltages with high efficiency and small footprint

Notes:

ED's Ideas For Design

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Author & Publication:

Peter Khairolomour, technical marketing manager, Fairchild Semiconductor, Portland, Maine, Electronic Design, Jun 12 2008

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