EL7551 - Monolithic 1Amp DC:DC Step-down Regulator

Renesas

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Datasheet Details

Part number	EL7551
Manufacturer	Renesas
File Size	549.54 KB
Description	Monolithic 1Amp DC:DC Step-down Regulator
Datasheet	EL7551-Renesas.pdf

EL7551 Product details

Description

CONDITIONS MIN TYP VREF VREFTC VREFLOAD VRAMP IOSC_CHG IOSC_DIS IVDD+VDRV IVDD_OFF VDD_OFF VDD_ON TOT THYS ILEAK ILMAX RDSON RDSONTC VFB VFB_LINE VFB_LOAD VFB_TC IFB VEN_HI VEN_LO IEN Reference Accuracy Reference Temperature Coefficient Reference Load Regulation Oscillator Ramp Amplitude Oscillator Charge Current Oscillator Discharge Current VDD+VDRV Supply Current VDD Standby Current VDD for Shutdown VDD for Startup Over Temperature Threshold Over Temperature Hysteresis Internal FET Leakage

Features

Integrated synchronous MOSFETs and current mode controller.
1A continuous output current.
Up to 95% efficiency.
4.5V to 5.5V input voltage.
Adjustable output from 1V to 3.8V.
Cycle-by-cycle current limit.
Precision reference.
±0.5% load and line regulation.
Adjustable switching frequency to 1.2MHz.
Oscillator synchronization possible.
Internal soft start.
Over temperature protection.

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Published: May 29, 2020 |