LR9203DG-24-AF5-R datasheet(1/9 Pages) UTC

Part #	LR9203DG-24-AF5-R

Description	CAPACITOR-LESS 500mA LOW POWER CONSUMPTION HIGH SPEED LDO REGULATOR

PDF	9 Pages

Scroll/Zoom	100%

Manufacturer	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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1 / 9 page

UNISONIC TECHNOLOGIES CO., LTD

LR9203

Preliminary

CMOS IC

www.unisonic.com.tw

1 of 9

QW-R102-082.b

CL CAPACITOR-LESS 500mA

LOW POWER CONSUMPTION

HIGH SPEED LDO REGULATOR



DESCRIPTION

The UTC LR9203 is a CMOS-based low dropout regulator with

high output voltage accuracy, low dropout, high PSRR and low

quiescent current. The devices can provide stable output voltages

even without a load capacitor CL.

The CL capacitor-less is possible because phase compensation

is carried out internally unlike other LDOs where it is done

externally. Since the output capacitor and noise bypass capacitor

are able to be reduced, so saving the board design space.

When a CL capacitor is used, the IC can discharge the electric

charge stored at the output capacitor through the internal switch

while in standby state, and as a result the VOUT quickly returns to

the VSS level.



FEATURES

* Maximum Output Current: 500mA

* Output Accuracy: ±1.0% (2.0V~5.0V), ±20mV (1.2V~1.95V)

* Output Voltage Range: 1.2V~5.0V (0.05V increments)

* Protection Current: Current Limiter (630mA TYP.), Short-circuit

Protection, Thermal Shutdown

* Dropout Voltage: 190mV @ VOUT=2.8V, IOUT=300mA

* Low Power Consumption: 15μA (TYP.), 0.1μA (in standby)

* High PSRR: 55dB @ 1kHz, VOUT=2.8V

* Operating Ambient Temperature: -40°C~+85°C

* CL Capacitor-Less: Internal Phase Compensation



ORDERING INFORMATION

Ordering Number

Lead Free

Halogen Free

Package

Packing

LR9203xL-xx-AF5-R

LR9203xG-xx-AF5-R

SOT-25

Tape Reel

Note: xx: Output Voltage, refer to Marking Information.

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LR9203DG-24-AF5-R Datasheet(PDF) 1 Page - Unisonic Technologies

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