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TPS7A05

ACTIVE
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200-mA, ultra-low-IQ, high-accuracy, low-dropout voltage regulator with enable

Data sheet
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200-mA, ultra-low-IQ, high-accuracy, low-dropout voltage regulator with enable

TPS7A05

ACTIVE
Data sheet Order now

Product details

Parameters

Output options Fixed Output Iout (Max) (A) 0.2 Vin (Max) (V) 5.5 Vin (Min) (V) 1.4 Vout (Max) (V) 3.3 Vout (Min) (V) 0.8 Fixed output options (V) 0.8, 1, 1.2, 1.5, 1.8, 1.825, 2, 2.2, 2.5, 2.7, 2.8, 2.85, 3, 3.1, 3.3 Noise (uVrms) 180 Iq (Typ) (mA) 0.001 Thermal resistance θJA (°C/W) 144.1 Load capacitance (Min) (µF) 0.47 Rating Catalog Regulated outputs (#) 1 Features Enable, Output Discharge, Foldback Overcurrent Protection Accuracy (%) 2 PSRR @ 100 KHz (dB) 15.4 Dropout voltage (Vdo) (Typ) (mV) 204 Operating temperature range (C) -40 to 125 open-in-new Find other Linear regulators (LDO)

Package | Pins | Size

DSBGA (YKA) 4 0 mm² .704 x .704 SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 SOT-23 (DBZ) 3 7 mm² 2.92 x 2.37 X2SON (DQN) 4 1 mm² 1 x 1 open-in-new Find other Linear regulators (LDO)

Features

  • Ultralow IQ: 1 µA (typ), 3 µA (max)
    • IGND: 6 µA (typ) at 200 mA
  • Excellent transient response
  • Packages:
    • 1.0-mm × 1.0-mm X2SON (4)
    • 0.65-mm × 0.65-mm DSBGA (4)
    • SOT-23 (5)
    • SOT-23 (3)
  • Input voltage range: 1.4 V to 5.5 V
  • Output accuracy: 1% typical, 3% maximum
  • Available in fixed-output voltage:
    • 0.8 V to 3.3 V
  • Very low dropout:
    • 235 mV (max) at 200 mA (3.3 VOUT)
  • Active output discharge
  • Foldback current limit
  • Stable with a 0.47-µF or larger capacitor

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Description

The TPS7A05 is an ultra-small, low quiescent current low-dropout regulator (LDO) that can source 200 mA with excellent transient performance. This device has an output range of 0.8 V to 3.3 V with a typical 1% accuracy.

The TPS7A05, with ultralow IQ (1 µA), consumes very-low quiescent current for extending battery life in battery-powered applications. The device can be operated from rechargeable Li-Ion batteries, Li-primary battery chemistries such as Li-SOCl2, Li-MnO2, as well as two- or three-cell alkaline batteries.

The TPS7A05 is available with an active pulldown circuit to quickly discharge the output when disabled.

The TPS7A05 is fully specified for TJ = –40°C to +125°C operation, and is available in standard X2SON (DQN), SOT-23 (DBV and DBZ), and DSBGA (YKA) packages.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet TPS7A05 1-µA Ultralow IQ, 200-mA, Low-Dropout Regulator in a Small-Size Package datasheet (Rev. D) Aug. 20, 2019
Application note No Tradeoffs: Linear Power Supplies for Ultra-Low Power and Dynamic Performance Feb. 06, 2020
Technical articles LDO basics: capacitor vs. capacitance Aug. 01, 2018
Technical articles LDO Basics: Preventing reverse current Jul. 25, 2018
Technical articles LDO basics: introduction to quiescent current Jun. 20, 2018
Technical articles LDO basics: noise – part 1 Jun. 14, 2017
User guide Universal Low-Dropout (LDO) Linear Voltage Regulator EVM User's Guide Oct. 12, 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
20
Description

The MULTIPKGLDOEVM-823 evaluation module (EVM) helps you evaluate the operation and performance of several common packages of linear regulators for possible use in circuit applications. This particular EVM configuration has a DRB, DRV, DQN and DBV footprint for you to solder and (...)

Features
  • Supports almost all low-dropout (LDO) linear regulators in DBV, DRB, DRV and DQN packages
View details

Design tools & simulation

SIMULATION MODEL Download
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Reference designs

REFERENCE DESIGNS Download
Non-isolated power architecture with diagnostics reference design for protection relay modules
TIDA-010055 — This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)
document-generic Schematic
REFERENCE DESIGNS Download
Tiny, ultra-low Iq DC-DC power supply with battery charging reference design for wearables
PMP21884 — A highly-integrated power supply reference design for smartwatches and fitness trackers enabling ultra-low Iq in an ultra-small (48sqmm) solution size. Supply includes seven power rails for the system including battery charger, LDO, DC-DC buck converters and integrated boost converter for heart rate (...)
document-generic Schematic
REFERENCE DESIGNS Download
Ultra-low Standby Power Reference Design for Wireless Earbud Battery
TIDA-050007 — New, completely wireless earbuds are charged by the battery inside their carrying case—a unique design that requires small solution sizes and efficient power components. Additionally, the large demands in this market are increasing the need to deliver equivalent functionality more (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
DSBGA (YKA) 4 View options
SOT-23 (DBV) 5 View options
SOT-23 (DBZ) 3 View options
X2SON (DQN) 4 View options

Ordering & quality

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  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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