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L4973D3.3 - 3.5A STEP DOWN SWITCHING REGULATOR

Description

The L4973 is a step down monolithic power switching regulator delivering 3.5A at fixed voltages of 3.3V or 5.1V and using a simple external divider output adjustable voltage up to 50V.

Features

  • of this new generation of DC-DC conPIN.

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Full PDF Text Transcription

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® L4973V3.3 - L4973V5.1 L4973D3.3 - L4973D5.1 3.5A STEP DOWN SWITCHING REGULATOR UPTO 3.5ASTEP DOWNCONVERTER OPERATING INPUT VOLTAGE FROM 8V TO 55V 3.3V AND 5.1V (±1%) FIXED OUTPUT, AND ADJUSTABLE OUTPUTS FROM: 0V TO 50V (3.3V type) 5.1V TO 50V (5.1 type) FREQUENCY ADJUSTABLE UP TO 300KHz VOLTAGE FEED FORWARD ZERO LOAD CURRENT OPERATION (min 1mA) INTERNAL CURRENT LIMITING (PULSE BY PULSE AND HICCUP MODE) PRECISE 5.1V (1.5%) REFERENCE VOLTAGE EXTERNALLY AVAILABLE INPUT/OUTPUT SYNCHRONIZATION FUNCTION INHIBIT FOR ZERO CURRENT CONSUMPTION (100µA Typ.
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