_

+

Thermal

Shutdown

Current

Sense

R1

R2

V

IN

GND

EN

V

OUT

SHUTDOWN

VREF

UVLO

ILIM

Bandgap

Reference

UVLO

250 kW

Bypass

V

IN

Copyright © 2018, Texas Instruments Incorporated

_

+

Thermal

Shutdown

Bandgap

Reference

V

IN

Current

Sense

R2

V

IN

GND

EN

V

OUT

SHUTDOWN

UVLO

ILIM

External to

the Device

FB

R1

UVLO

250 kW

Bypass

Copyright © 2018, Texas Instruments Incorporated

12

TPS791

SLVS325D – MARCH 2001 – REVISED FEBRUARY 2018

www.ti.com

Product Folder Links: TPS791

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Copyright © 2001–2018, Texas Instruments Incorporated

7 Detailed Description

7.1 Overview

The TPS791 device is a high PSRR, ultra-low noise, 100-mA linear regulator (LDO). The fast start-up time and

the excellent load and line transient behavior of this device qualify the TPS791 to be an ideal solution for signal

RF and signal-chain applications.

7.2 Functional Block Diagrams

Figure 32. Functional Block Diagram: Adjustable Version

Figure 33. Functional Block Diagram: Fixed Version