3

2

4

6

1

5

GND

WDT

V

DD

RESET

WDI

WDR

4

TPS3813J25, TPS3813L30, TPS3813K33, TPS3813I50

SLVS331H – DECEMBER 2000 – REVISED JULY 2016

www.ti.com

Product Folder Links: TPS3813J25 TPS3813L30 TPS3813K33 TPS3813I50

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Copyright © 2000–2016, Texas Instruments Incorporated

(1)

For the most current package and ordering information see the Package Option Addendum at the end of this document, or see the

device product folder at www.ti.com.

5 Device Comparison Table

(1)

DEVICE NAME

THRESHOLD VOLTAGE

MARKING

–40°C to +85°C

TPS3813J25DBV

2.25 V

PCDI

TPS3813L30DBV

2.64 V

PEZI

TPS3813K33DBV

2.93 V

PFAI

TPS3813I50DBV

4.55 V

PFBI

6 Pin Configuration and Functions

DBV Package

6-Pin SOT-23

Top View

Pin Functions

PIN

I/O

DESCRIPTION

NO.

NAME

1

WDI

I

Watchdog timer input. This input must be driven at all times and not left floating.

2

GND

I

Ground

3

WDT

I

Programmable watchdog delay input

4

I

Supply voltage and supervising input

5

WDR

I

6

RESET

O

Open-drain reset output