LR9500

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 6

www.unisonic.com.tw

QW-R102-083.a



MARKING INFORMATION

PACKAGE

VOLTAGE CODE

MARKING

SOT-25

15: 1.5V

18:1.8V

20: 2.0V

25: 2.5V

27: 2.7V

28: 2.8V

30: 3.0V

33: 3.3V

40: 4.0V

45: 4.5V



PIN CONFIGURATION

3

2

1

4

5

GND

NC



PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

1

Enable input; disables the regulator when ≤ 0.4V. Enables the regulator when ≥

1.2V. An internal 1 MΩ pulldown resistor connects this input to ground.

2

GND

Device ground

3

NC

No connect

4

Output voltage. A 0.47 μF Low ESR capacitor should be connected to this Pin.

Connect this output to the load circuit.

5

Input voltage supply. A 0.47 µF capacitor should be connected at this input.



BLOCK DIAGRAM

Soft_filter

OCP

VM

Vref

4

1

EA

BG

5

OTP

2

GND

WSON