LR18120L-XX-SH2-R datasheet(2/8 Pages) UTC

Il numero della parte	LR18120L-XX-SH2-R

Spiegazioni elettronici	2A LOW DROPOUT REGULATOR WITH ENABLE

PDF	8 Pages

Scroll/Zoom	100%

Produttore elettronici	UTC [Unisonic Technologies]

Homepage	http://www.utc-ic.com

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2 / 8 page

LR18120

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 8

www.unisonic.com.tw

QW-R502-305.C

MARKING INFORMATION

PACKAGE

VOLTAGE CODE

MARKING

SOP-8

HSOP-8

12:1.2V

15:1.5V

18:1.8V

25:2.5V

PIN CONFIGURATION

PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

POK

This pin will Indicate high under this situation: VO reaches 92% of its rating voltage.

Open-drain output.

VEN

The enable control Input pin. As while as this pin’s voltage falls below 0.4V ,the

LR18120 will stop working. When there’s nothing connected with this pin,the device

will be enabled.

VIN

The pin of input voltage.

Placing large capacitance closely to this pin is necessary. There should be

connected a 10µF ceramic capacitor.

VPP

This pin is for input voltage to control circuit.

Connected nothing.

VOUT

The voltage output pin.

ADJ

When this pin connected to the ground,VOUT will be set by the internal feedback

resistors. Otherwise, if using external feedback resistors to decide the VOUT, VOUT =

0.8(R1+R2)/R2 Volts.

GND

Ground.

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