LM2596SX-12 12V 3A Step-Down Converter with Wide 4.5V-40V Input 80% Efficiency Adjustable Output, Thermal Protection Low Ripple and Compact TO-263 Package for Reliable Power Regulation

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Features

andbull; New product available:andndash; LMR51430 4.5 to 36-V, 3-A, 500-kHz and 1.1 MHz synchronous converter

andbull; For faster time to market:andndash; TLVM13630 3 to 36-V, 3-A, 200-kHz to 2.2-MHz power module

andbull; 3.3-V, 5-V, 12-V, and adjustable output versions

andbull; Adjustable version output voltage range: 1.2-V to 37-V andplusmn;4% maximum over line and load conditions

andbull; Available in TO-220 and TO-263 packages

andbull; 3-A output load current

andbull; Input voltage range up to 40 V

andbull; Requires only four external components

andbull; Excellent line and load regulation specifications

andbull; 150-kHz fixed-frequency internal oscillator

andbull; TTL shutdown capability

andbull; Low power standby mode, IQ, typically 80 andmu;A

andbull; High efficiency

andbull; Uses readily available standard inductors

andbull; Thermal shutdown and current-limit protection

andbull; Create a custom design using the LM2596 with the WEBENCHandreg; Power Designer

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Applications

andbull; Appliances

andbull; Grid infrastructure

andbull; EPOS

andbull; Home theater

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Description

The LM2596 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version.

Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, and a fixed frequency oscillator.

The LM2596 series operates at a switching frequency of 150 kHz, thus allowing smaller sized filter components than what can be required with lower frequency switching regulators. Available in a standard 5-pin TO-220 package with several different lead bend options, and a 5-pin TO-263 surface mount package.

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INFORMATION

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Drawing

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• Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.

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