LM2653 1.5A High Efficiency Synchronous Switching Regulator

National Semiconductor

Description

LM2653 1.5A High Efficiency Synchronous Switching Regulator November 1999 LM2653 1.5A High Efficiency Synchronous Switching Regulator General Descri.
The LM2653 switching regulator provides high efficient power conversion over a 100:1 load range (1.

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Datasheet Specifications

Part number: LM2653
Manufacturer: National Semiconductor
File Size: 243.99 KB
Datasheet: LM2653_NationalSemiconductor.pdf
Description: 1.5A High Efficiency Synchronous Switching Regulator

Features

* include thermal shutdown, input undervoltage lockout, adjustable soft-start, cycle by cycle current limit, output overvoltage and undervoltage protections. n n n n n n n n n n n n 4V to 14V input voltage range 1.5V to 5.0V adjustable output voltage 0.1Ω Switch On Resistance 300 kHz fixed frequency i

Applications

* Synchronous rectification is used to achieve up to 97% efficiency. At light loads, the LM2653 enters a low power hysteretic or “sleep” mode to keep the efficiency high. In many applications, the efficiency still exceeds 80% at 15 mA load. A shutdown pin is available to disable the LM2653 and reduce

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LM2653 1.5A High Efficiency Synchronous Switching Regulator National Semiconductor

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