TPS79225DBVR datasheet(2/38 Pages) TI2

2 / 38 page

Table of Contents

1 Features............................................................................1

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Pin Configuration and Functions...................................2

5 Specifications.................................................................. 3

5.1 Absolute Maximum Ratings........................................ 3

5.2 ESD Ratings............................................................... 3

5.3 Recommended Operating Conditions.........................3

5.4 Thermal Information....................................................4

5.5 Electrical Characteristics.............................................4

5.6 Typical Characteristics................................................ 7

6 Detailed Description......................................................13

6.1 Overview................................................................... 13

6.2 Functional Block Diagrams....................................... 13

6.3 Feature Description...................................................14

6.4 Device Functional Modes..........................................18

7 Application and Implementation.................................. 19

7.1 Application Information............................................. 19

7.2 Typical Application.................................................... 22

7.3 Power Supply Recommendations.............................24

7.4 Layout....................................................................... 24

8 Device and Documentation Support............................26

8.1 Device Support......................................................... 26

8.2 Documentation Support............................................ 26

8.3 Receiving Notification of Documentation Updates....26

8.4 Support Resources................................................... 26

8.5 Trademarks...............................................................26

8.6 Electrostatic Discharge Caution................................27

8.7 Glossary....................................................................27

9 Revision History............................................................ 27

10 Mechanical, Packaging, and Orderable

Information.................................................................... 27

4 Pin Configuration and Functions

GND

OUT

NC/NR

Figure 4-1. DBV Package, 5-Pin SOT-23 Fixed

Voltage Version (Top View)

GND

OUT

NC/NR

Figure 4-2. DBV Package, 6-Pin SOT-23 Adjustable

Voltage Version (Top View)

Table 4-1. Pin Functions

I/O

DESCRIPTION

NAME

DBV

YZQ

Enable pin. Driving the enable pin (EN) high turns on the regulator. Driving this pin low puts

the regulator into shutdown mode. EN can be connected to IN if not used.

—

Feedback pin. This terminal is the feedback input pin for the adjustable device. Fixed voltage

versions in the DBV package do not have this pin.

GND

—

Regulator ground.

Input to the device.

NR/NC

—

Noise Reduction pin (legacy chip only). Connecting an external capacitor to this pin filters

noise generated by the internal bandgap. This configuration improves power-supply rejection

and reduces output noise for the legacy chip and YZQ package only.

No Connect pin (new chip only). This pin is not internally connected. Connect to GND for

improved thermal performance or leave floating. For lower noise performance on a fixed

device, consider looking at the TPS7A20.

OUT

Output of the regulator.

TPS792

SLVS337E – MARCH 2001 – REVISED JANUARY 2025

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