4 Device Comparison Table

TA (1)

DEVICE NAME

THRESHOLD VOLTAGE

MARKING

–40°C to +85°C

TPS3813J25DBV

2.25V

PCDI

TPS3813L30DBV

2.64V

PEZI

TPS3813K33DBV

2.93V

PFAI

TPS3813I50DBV

4.55V

PFBI

(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 Pin Configuration and Functions

3

2

4

6

1

5

GND

WDT

V

DD

RESET

WDI

WDR

Figure 5-1. DBV Package

6-Pin SOT-23

Top View

Table 5-1. 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

VDD

I

Supply voltage and supervising input

5

WDR

I

Selectable watchdog window ratio input. This input must be tied to VDD or GND and not left floating.

6

RESET

O

Open-drain reset output

www.ti.com

TPS3813

SLVS331J – DECEMBER 2000 – REVISED AUGUST 2024

Copyright © 2024 Texas Instruments Incorporated

Submit Document Feedback

3

Product Folder Links: TPS3813