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TPS79901-EP View Datasheet(PDF) - Texas Instruments

Part NameTPS79901-EP TI
Texas Instruments TI
Description200-mA, Low-Quiescent Current, Ultra-Low-Noise, High-PSRR Low-Dropout Linear Regulator
TPS79901-EP Datasheet PDF : 27 Pages
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TPS79901-EP
SBVS330A – SEPTEMBER 2017 – REVISED OCTOBER 2017
8 Application and Implementation
www.ti.com
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. Customers should
validate and test their design implementation to confirm system functionality.
8.1 Application Information
The TPS79901 LDO regulator provides high PSRR while maintaining ultra-low-current consumption. The device
also features inrush current protection and overshoot detection at the output.
8.2 Typical Applications
Figure 28 shows the basic circuit connections.
Optional input capacitor.
May improve source
impedance, noise, or PSRR.
VOUT =
(R1 + R2)
R2
´ 1.193
VIN
IN
OUT
VOUT
TPS79901
EN GND FB
R1
CFB
2.2 mF
Ceramic
R2
VEN
Copyright © 2017, Texas Instruments Incorporated
Figure 28. Typical Application Circuit for Adjustable Voltage Version
8.2.1 Design Requirements
Select the desired device based on the output voltage.
Provide an input supply with adequate headroom to account for dropout and output current to account for the
GND terminal current, and power the load.
14
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Copyright © 2017, Texas Instruments Incorporated
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