LM21305 - 5A Adjustable Frequency Synchronous Buck Regulator

Product Overview

National Semiconductor

Part number	LM21305
Manufacturer	National Semiconductor
File Size	702.50 KB
Description	5A Adjustable Frequency Synchronous Buck Regulator
Datasheet	LM21305 Datasheet
Additional preview pages of the LM21305 datasheet.

The LM21305 is a full featured adjustable frequency synchronous buck regulator capable of delivering up to 5A of continuous output current.

The device is optimized to work over the input voltage range of 3V to 18V making it suitable for wide variety of applications.

internal over voltage protection (OVP) and over current protection (OCP) circuits for increased system reliability. A precision enable pin and integrated UVLO allows the turn-on of the device to be tightly controlled and sequenced. Start-up inrush currents are limited by an internal Soft-Start circuit. Fault detection and supply sequencing are possible with the integrated power good circuit. The frequency of this device can be adjusted from 300 kHz to 1.5 MHz through an external resistor. The LM.

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Published: Jul 30, 2015 |