EL7551 Monolithic 1Amp DC:DC Step-down Regulator

Renesas

Description

NOT RECOMMENDED FOR NEW DESIGNS SEE EL7531 OR EL7536 EL7551 Monolithic 1Amp DC:DC Step-down Regulator DATASHEET FN7291 Rev 1.00 March 21, 2006 The E.
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 V.

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Datasheet Specifications

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

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
* ±

Applications

* The EL7551 is specified for operation over the -40°C to +85°C temperature range. Pinout EL7551 (16-PIN QSOP) TOP VIEW C3 C4 0.1µF 270pF R3 39 C1 10µF ceramic VIN (4.5V-5.5V) 1 SGND PGND 16 2 COSC VREF 15 3 VDD FB 14 4 PGND VDRV 13 5 PGND LX 12 6 VIN LX 11 7 VIN VHI 10 8 EN PGND 9

EL7551 Distributors

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Monolithic 1Amp DCDC Step-down Regulator Renesas

Renesas EL7551-like datasheet