RT9182

2

DS9182-18 April 2008

www.richtek.com

Functional Pin Description

Function Block Diagram

Pin No.

Pin Name

Pin Function

1

VOUT2

Channel 2 Output Voltage

2

GND

Common Ground

3

EN2

Note

Chip Enable (Active High)

4

EN1

Note

Chip Enable (Active High)

5

VIN

Supply Input

6

VOUT1

Channel 1 Output Voltage

Note: If EN1 and EN2 are both low, both regulators and the reference turn off.

Thermal Protection

Current Limit

Current Limit

V

REF

+

-

+

-

Bias

VIN

VOUT1

EN1

EN2

GND

VOUT2

Typical Application Circuit

EN2

EN1

VOUT2

VOUT1

RT9182

GND

VIN

2.2uF

V

IN

2.2uF

V

OUT1

2.2uF

V

OUT2

Chip Enable

Chip Enable

3

6

5

4

1

2