3.5a Step Down Switching Regulator

The L4973 is a step down monolithic power Switching Regulator delivering 3.5A at fixed volt- ages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V. Realized in BCD mixed technology, the device uses an internal power D-MOS Transistor (with a typical Rdson of 0.15ohm) to obtain very high effi- ciency and very fast switching times. Switching frequency up to 300KHz are achievable (the maximum power dissipation of the packages must be observed). A wide input voltage range between 8V to 55V and output voltages regulated from 3.3V to 40V cover the majority of the today applications. By STMicroelectronics
L4973V3.3 's PackagesL4973V3.3 's pdf datasheet

L4973V3.3 Pinout, Pinouts
L4973V3.3 pinout,Pin out
This is one package pinout of L4973V3.3,If you need more pinouts please download L4973V3.3's pdf datasheet.

L4973V3.3 Application circuits
L4973V3.3 circuits
This is one application circuit of L4973V3.3,If you need more circuits,please download L4973V3.3's pdf datasheet.

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