See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

RNJ | 20

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

TPS54A20RNJR


Small, 10MHz 10A, 8V to 14V Input, SWIFT Series Capacitor Step-Down Converter

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750 - 999 $ 3.32
1000 - 9999 $ 3.25

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Texas Instruments TPS54A20RNJR

The TPS54A20 is a two-phase, synchronous series capacitor buck converter designed for small size, low voltage applications from a 12-V input rail. This topology uniquely merges a switched capacitor circuit with a two phase buck converter. Advantages include automatic current balancing between the inductors, lower switching losses which enable high frequency (HF) operation, and voltage step-down through the series capacitor. Small, low profile inductors used with the TPS54A20 significantly reduce total solution area and height. An adaptive on-time control architecture provides fast transient response and accurate voltage regulation at up to 10-MHz operating frequency. Fixed frequency operation during steady state is maintained through the use of a phase lock loop (PLL) to lock switching signals to a reference oscillator.

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