OUT

OC

IN

EN

GND

Current

Limit

Driver

UVLO

Charge

Pump

CS

Thermal

Sense

Deglitch

(SeeNote A)

(SeeNoteB)

TPS2060, TPS2064

TPS2068, TPS2069

SLVS553K

– MARCH 2005 – REVISED MAY 2011

www.ti.com

DEVICE INFORMATION

Pin Functions (TPS2068 and TPS2069)

PINS

I/O

DESCRIPTION

NAME

TPS2068

TPS2069

EN

4

—

I

Enable input, logic low turns on power switch

EN

—

4

I

Enable input, logic high turns on power switch

GND

1

1

Ground

IN

2, 3

2, 3

I

Input voltage

OC

5

5

O

Overcurrent, open-drain output, active-low

OUT

6, 7, 8

6, 7, 8

O

Power-switch output

PowerPad

PowerPad

(1)

See the Recommended Operating Conditions Table for PowerPad connection guidelines to meet qualifying conditions for CB Certificate

(DGN package only).

Functional Block Diagram (TPS2068 and TPS2069)

A.

Current sense.

B.

Active low (EN) for TPS2068. Active high (EN) for TPS2069.

6

Copyright

© 2005–2011, Texas Instruments Incorporated