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