LM21215A-1 Datasheet 15a High Efficiency Synchronous Buck Regulator

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM21215A-1 15A High Efficiency Synchronous Buck Regulator LM21215A-1 March 27, 2011 15A High Efficiency Synchronous Buck Regulator with Frequency Synchronization.

Datasheet Details

Part number	LM21215A-1
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	473.67 KB
Description	15A High Efficiency Synchronous Buck Regulator
Datasheet	LM21215A-1-NationalSemiconductor.pdf

General Description

The LM21215A-1 is a monolithic synchronous buck regulator that is capable of delivering up to 15A of continuous output current while producing an output voltage down to 0.6V with outstanding efficiency.

The device is optimized to work over an input voltage range of 2.95V to 5.5V, making it suited for a wide variety of low voltage systems.

The voltage mode control loop provides high noise immunity, narrow duty cycle capability and can be compensated to be stable with any type of output capacitance, providing maximum flexibility and ease of use.

Key Features

internal over voltage protection (OVP) and over-current protection (OCP) for increased system reliability. A precision enable pin and integrated UVLO allow turn-on of the device to be tightly controlled and sequenced. Startup inrush currents are limited by both an internally fixed and externally adjustable soft-start circuit. Fault detection and supply sequencing are possible with the integrated power good circuit. The LM21215A-1 is designed to work well in multi-rail power supply architectures.

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