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L4976

Part Number	L4976
Manufacturer	STMicroelectronics
Description	1A STEP DOWN SWITCHING REGULATOR
Published	Mar 22, 2005
Detailed Description	® L4976 1A STEP DOWN SWITCHING REGULATOR UP TO 1A STEP DOWN CONVERTER OPERATING INPUT VOLTAGE FROM 8V TO 55V PRECISE 5...
Datasheet	L4976 PDF File

Overview

® L4976 1A STEP DOWN SWITCHING REGULATOR UP TO 1A STEP DOWN CONVERTER OPERATING INPUT VOLTAGE FROM 8V TO 55V PRECISE 5.
1V REFERENCE VOLTAGE OUTPUT VOLTAGE ADJUSTABLE FROM 3.
3V TO 50V SWITCHING FREQUENCY ADJUSTABLE UP TO 500KHz VOLTAGE FEEDFORWARD ZERO LOAD CURRENT OPERATION INTERNAL CURRENT LIMITING (PULSE-BYPULSE AND HICCUP MODE) PROTECTION AGAINST FEEDBACK DISCONNECTION THERMAL SHUTDOWN DESCRIPTION The L4976 is a step down monolithic power switching regulator delivering 1A at a voltage between 3.
3V and 50V (selected by a simple external divider).
Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typical Rdson of 0.
25Ω) to obtain very high effice...

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