TPS731

AKTIV

Hochpräziser Spannungsregler mit extrem geringem Dropout, 150 mA, Gegenstromschutz und Aktivierung

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Datenblatt

document-pdfAcrobat TPS731 Capacitor-Free, NMOS, 150mA, Low-Dropout Regulator With Reverse Current Protection datasheet (Rev. O) (Englisch) PDF | HTML

TPS731

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Rating

Catalog

Vin (max) (V)

5.5

Vin (min) (V)

1.7

Iout (max) (A)

0.15

Output options

Adjustable Output, Fixed Output

Vout (max) (V)

5.5

Vout (min) (V)

1.2

Fixed output options (V)

1.25, 1.5, 1.8, 2.5, 3, 3.1, 3.2, 3.3, 5, 5.5

Noise (µVrms)

30

PSRR at 100 KHz (dB)

32

Iq (typ) (mA)

0.4

Features

Enable, Foldback Overcurrent protection, Reverse Current Protection

Thermal resistance θJA (°C/W)

207

Load capacitance (min) (µF)

0

Regulated outputs (#)

1

Accuracy (%)

1

Dropout voltage (Vdo) (typ) (mV)

30

Operating temperature range (°C)

-40 to 125

Rating

Catalog

Vin (max) (V)

5.5

Vin (min) (V)

1.7

Iout (max) (A)

0.15

Output options

Adjustable Output, Fixed Output

Vout (max) (V)

5.5

Vout (min) (V)

1.2

Fixed output options (V)

1.25, 1.5, 1.8, 2.5, 3, 3.1, 3.2, 3.3, 5, 5.5

Noise (µVrms)

30

PSRR at 100 KHz (dB)

32

Iq (typ) (mA)

0.4

Features

Enable, Foldback Overcurrent protection, Reverse Current Protection

Thermal resistance θJA (°C/W)

207

Load capacitance (min) (µF)

0

Regulated outputs (#)

1

Accuracy (%)

1

Dropout voltage (Vdo) (typ) (mV)

30

Operating temperature range (°C)

-40 to 125

SOT-23 (DBV)

5

8.12 mm² 2.9 x 2.8

Stable with or without capacitors of all types
Input voltage range of 1.7V to 5.5V
Ultra-low dropout voltage: 30mV typical (150mA load)
Excellent load transient response—with or without optional output capacitor
New NMOS topology provides low reverse leakage current
Low noise: 30µVRMS typical (10kHz to 100kHz)
0.5% initial accuracy
1% overall accuracy over line, load, and temperature
Less than 1µA maximum IQ in shutdown mode
Thermal shutdown and specified minimum and maximum current-limit protection
Available in multiple output voltage versions:
- Fixed outputs: 1.20V to 5V
- Adjustable outputs: 1.2V to 5.5V
- Custom outputs available

Stable with or without capacitors of all types
Input voltage range of 1.7V to 5.5V
Ultra-low dropout voltage: 30mV typical (150mA load)
Excellent load transient response—with or without optional output capacitor
New NMOS topology provides low reverse leakage current
Low noise: 30µVRMS typical (10kHz to 100kHz)
0.5% initial accuracy
1% overall accuracy over line, load, and temperature
Less than 1µA maximum IQ in shutdown mode
Thermal shutdown and specified minimum and maximum current-limit protection
Available in multiple output voltage versions:
- Fixed outputs: 1.20V to 5V
- Adjustable outputs: 1.2V to 5.5V
- Custom outputs available

The TPS731 low-dropout (LDO) linear voltage regulator uses an NMOS pass transient in a voltage-follower configuration. This topology is stable using output capacitors with low equivalent series resistance (ESR), and even allows operation without a capacitor. The device also provides high reverse blockage (low reverse current) and ground pin current that is nearly constant over all values of output current.

The TPS731 uses an advanced BiCMOS process to yield high precision while delivering very low dropout voltages and low ground pin current. Current consumption, when not enabled, is less than 1µA and is designed for portable applications. The extremely low output noise (30µVRMS with 0.1µF CNR) is designed for powering VCOs. This device is protected by thermal shutdown and foldback current limit.

The TPS731 low-dropout (LDO) linear voltage regulator uses an NMOS pass transient in a voltage-follower configuration. This topology is stable using output capacitors with low equivalent series resistance (ESR), and even allows operation without a capacitor. The device also provides high reverse blockage (low reverse current) and ground pin current that is nearly constant over all values of output current.

The TPS731 uses an advanced BiCMOS process to yield high precision while delivering very low dropout voltages and low ground pin current. Current consumption, when not enabled, is less than 1µA and is designed for portable applications. The extremely low output noise (30µVRMS with 0.1µF CNR) is designed for powering VCOs. This device is protected by thermal shutdown and foldback current limit.

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Technische Dokumentation

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Alle anzeigen 8

	Typ	Titel		Datum
*	Data sheet	TPS731 Capacitor-Free, NMOS, 150mA, Low-Dropout Regulator With Reverse Current Protection datasheet (Rev. O)	PDF \| HTML	05 Aug 2025
*	Radiation & reliability report	TPS73125MDBVREP Reliability Report		26 Aug 2011
*	Radiation & reliability report	TPS73133MDBVREP Reliability Report		26 Aug 2011
	Application note	LDO Noise Demystified (Rev. B)	PDF \| HTML	18 Aug 2020
	Application note	A Topical Index of TI LDO Application Notes (Rev. F)		27 Jun 2019
	Selection guide	Low Dropout Regulators Quick Reference Guide (Rev. P)		21 Mär 2018
	Application note	LDO PSRR Measurement Simplified (Rev. A)	PDF \| HTML	09 Aug 2017
	More literature	DMOS Delivers Dramatic Performance Gains to LDO Regulators (EDN mag)		14 Feb 2001

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

DEM-SOT23LDO — DEM-SOT23LDO-kompatibel mit den meisten LDO-Reglern mit positivem Ausgang im 5- oder 6-Kanal-SOT23-G

Benutzerhandbuch: PDF

Nicht verfügbar auf TI.com

Simulationsmodell

TPS73101 PSpice Transient Model

SBVM343.ZIP (21 KB) - PSpice Model

TPS731

Hochpräziser Spannungsregler mit extrem geringem Dropout, 150 mA, Gegenstromschutz und Aktivierung

TPS731

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