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LM3475MF Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LM3475MF Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 14 page LM3475 Hysteretic PFET Buck Controller General Description The LM3475 is a hysteretic P-FET buck controller designed to support a wide range of high efficiency applications in a very small SOT23-5 package. The hysteretic control scheme has several advantages, including simple system design with no external compensation, stable operation with a wide range of components, and extremely fast transient re- sponse. Hysteretic control also provides high efficiency op- eration, even at light loads. The PFET architecture allows for low component count as well as 100% duty cycle and ultra- low dropout operation. Features n Easy to use control methodology n 0.8V to V IN adjustable output range n High Efficiency (90% typical) n ± 0.9% (±1.5% over temp) feedback voltage n 100% duty cycle capable n Maximum operating frequency up to 2MHz n Internal Soft-Start n Enable pin n SOT23-5 package Applications n TFT Monitor n Auto PC n Vehicle Security n Navigation Systems n Notebook Standby Supply n Battery Powered Portable Applications n Distributed Power Systems Typical Application Circuit 20070101 October 2004 © 2004 National Semiconductor Corporation DS200701 www.national.com |
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Similar Description - LM3475MF |
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