Datasheet

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OUT
OC
IN
EN
GND
Current
Limit
Driver
UVLO
Charge
Pump
CS
Thermal
Sense
Power Switch
†
†
Current Sense
TPS2020 , , TPS2021
TPS2022 , TPS2023 , TPS2024
SLVS175C – DECEMBER 1998 – REVISED SEPTEMBER 2007
Table 1. AVAILABLE OPTIONS
PACKAGED DEVICES
RECOMMENDED MAXIMUM TYPICAL SHORT-CIRCUIT
T
A
ENABLE CONTINUOUS LOAD CURRENT LIMIT AT 25 ° C
SMALL OUTLINE PLASTIC DIP
CURRENT (A) (A)
(D)
(1)
(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
(1) The D package is available taped and reeled. Add an R suffix to device type (e.g., TPS2020DR)
TPS2020 FUNCTIONAL BLOCK DIAGRAM
TERMINAL FUNCTIONS
TERMINAL
I/O DESCRIPTION
NO.
NAME
D OR P
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
2 Submit Documentation Feedback Copyright © 1998 – 2007, Texas Instruments Incorporated
Product Folder Link(s): TPS2020 TPS2021 TPS2022 TPS2023 TPS2024