LR1108

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 6

www.unisonic.com.tw

QW-R102-031.I

MARKING INFORMATION

PACKAGE

VOLTAGE CODE

MARKING

SOT-223

15 :1.5V

18:1.8V

25:2.5V

2J:2.85V

33:3.3V

50: 5.0V

SOT-25

3

2

1

5

4

SPXX

G: Halogen Free

L : Lead Free

TO-252

SOT-89

PIN DESCRIPTION

For SOT-223/SOT-89/TO-252 Package

PIN CODE & NO

PIN NAME

I/O

DESCRIPTION

A

C

D

2

3

3

O

Output Voltage

1

1

2

GND

Ground

3

2

1

Input Supply

For SOT-25 Package

PIN NO

PIN NAME

I/O

DESCRIPTION

1

Input supply

2

GND

Ground

3

SD

I

Shutdown LR1108 enable; when the SD pin connects to GND will shutdown the

resistor.

4

O

Error flag, active low; when the output dropout of regulation due to low input

voltage, the LR1108 produces a logic low signal at the ERROR pin.

ERROR

5

O

Output voltage