TPS73201DBVR datasheet(20/49 Pages) TI

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7 Application and Implementation

Note

Information in the following applications sections is not part of the TI component specification,

and TI does not warrant its accuracy or completeness. TI’s customers are responsible for

determining suitability of components for their purposes, as well as validating and testing their design

implementation to confirm system functionality.

7.1 Application Information

The TPS732 LDO regulator uses an NMOS pass transistor to achieve ultra-low-dropout performance, reverse

current blockage, and freedom from output capacitor constraints. These features, combined with low noise and

an enable input, make the TPS732 designed for portable applications. This regulator offers a wide selection

of fixed-output voltage versions and an adjustable-output version. All versions have thermal and overcurrent

protection, including foldback current limit.

7.2 Typical Application

Figure 7-1 shows the basic circuit connections for the fixed-voltage models. Figure 7-2 gives the connections for

the adjustable-voltage version (TPS73201).

TPS732xx

GND

OFF

OUT

VIN

VOUT

Optionalinputcapacitor.

Mayimprovesource

impedance,noise,orPSRR.

Optionaloutputcapacitor.

Mayimproveloadtransient,

noise,orPSRR.

Optionalbypass

capacitortoreduce

outputnoise.

Figure 7-1. Typical Application Circuit for Fixed-Voltage Versions

TPS73201

GND

OUT

OUT =

x1.204

1 + R2)

Optionalinputcapacitor.

Mayimprovesource

impedance,noise,orPSRR.

Optionaloutputcapacitor.

Mayimproveloadtransient,

noise,orPSRR.

Optionalcapacitor

reducesoutputnoise

andimproves

transientresponse.

OFF

Figure 7-2. Typical Application Circuit for Adjustable-Voltage Version

TPS732

SBVS037Q – AUGUST 2003 – REVISED SEPTEMBER 2024

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