TPS2020, TPS2021, TPS2022, TPS2023, TPS2024

POWER-DISTRIBUTION SWITCHES

SLVS175A – DECEMBER 1998 – REVISED NOVEMBER 1999

2

POST OFFICE BOX 655303

AVAILABLE OPTIONS

RECOMMENDED

MAXIMUM CONTINUOUS

TYPICAL SHORT-CIRCUIT

PACKAGED DEVICES

TA

ENABLE

MAXIMUM CONTINUOUS

LOAD CURRENT

(A)

CURRENT LIMIT AT 25

°C

(A)

SMALL OUTLINE

(D)†

PLASTIC DIP

(P)

0.2

0.3

TPS2020D

TPS2020P

0.6

0.9

TPS2021D

TPS2021P

–40

°C to 85°C

Active low

1

1.5

TPS2022D

TPS2022P

1.5

2.2

TPS2023D

TPS2023P

2

3

TPS2024D

TPS2024P

† The D package is available taped and reeled. Add an R suffix to device type (e.g., TPS2020DR)

TPS2020 functional block diagram

OUT

OC

IN

EN

GND

Current

Limit

Driver

UVLO

Charge

Pump

CS

Thermal

Sense

Power Switch

†

†Current Sense

Terminal Functions

TERMINAL

NAME

NO.

D OR P

I/O

DESCRIPTION

EN

4

I

Enable input. Logic low turns on power switch.

GND

1

I

Ground

IN

2, 3

I

Input voltage

OC

5

O

Overcurrent. Logic output active low

OUT

6, 7, 8

O

Power-switch output