TPS7A26

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Regulador de tensión de caída baja ajustable de 500 mA, 18 V, IQ ultrabaja y de alta precisión, con

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document-pdfAcrobat TPS7A26 500-mA, 18-V, Ultra-Low IQ, Low-Dropout Linear Voltage Regulator With Power-Good datasheet (Rev. B) (Inglés) PDF | HTML

TPS7A26

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Detalles del producto

Output options

Adjustable Output, Fixed Output

Iout (max) (A)

0.5

Vin (max) (V)

18

Vin (min) (V)

2.4

Vout (max) (V)

17.41

Vout (min) (V)

1.24

Fixed output options (V)

1.25, 1.8, 2.5, 3.3, 5, 17.41

Rating

Catalog

Noise (µVrms)

300

PSRR at 100 KHz (dB)

22

Iq (typ) (mA)

0.002

Thermal resistance θJA (°C/W)

73.3

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Features

Enable, Power good, Soft start

Accuracy (%)

1

Dropout voltage (Vdo) (typ) (mV)

355

Operating temperature range (°C)

-40 to 125

Output options

Adjustable Output, Fixed Output

Iout (max) (A)

0.5

Vin (max) (V)

18

Vin (min) (V)

2.4

Vout (max) (V)

17.41

Vout (min) (V)

1.24

Fixed output options (V)

1.25, 1.8, 2.5, 3.3, 5, 17.41

Rating

Catalog

Noise (µVrms)

300

PSRR at 100 KHz (dB)

22

Iq (typ) (mA)

0.002

Thermal resistance θJA (°C/W)

73.3

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Features

Enable, Power good, Soft start

Accuracy (%)

1

Dropout voltage (Vdo) (typ) (mV)

355

Operating temperature range (°C)

-40 to 125

WSON (DRV)

6

4 mm² 2 x 2

Ultra-low I_Q: 2.0 µA
Input voltage: 2.4 V to 18 V
Output voltage options available:
- Fixed: 1.25 V to 5.5 V
- Adjustable: 1.24 V to 17.4 V
1% accuracy over temperature
Low dropout: 590 mV (max) at 500 mA
Open-drain, power-good output
Active overshoot pulldown protection
Thermal shutdown and overcurrent protection
Operating junction temperature: –40°C to +125°C
Stable with 1-µF output capacitors
Package: 6-pin WSON

Ultra-low I_Q: 2.0 µA
Input voltage: 2.4 V to 18 V
Output voltage options available:
- Fixed: 1.25 V to 5.5 V
- Adjustable: 1.24 V to 17.4 V
1% accuracy over temperature
Low dropout: 590 mV (max) at 500 mA
Open-drain, power-good output
Active overshoot pulldown protection
Thermal shutdown and overcurrent protection
Operating junction temperature: –40°C to +125°C
Stable with 1-µF output capacitors
Package: 6-pin WSON

The TPS7A26 low-dropout (LDO) linear voltage regulator supports a 2.4-V to 18-V input voltage range with very-low quiescent current (I_Q). These features help modern appliances meet increasingly stringent energy requirements and help extend battery life in portable-power solutions.

The TPS7A26 is available in both fixed and adjustable versions. For more flexibility or higher output voltages, the adjustable version uses feedback resistors to set the output voltage from 1.24 V to 17.4 V. Both versions have 1% output regulation accuracy that provides precision regulation for microcontroller (MCU) references.

With the open-drain, power-good (PG) output the device can provide a reset to an MCU or be wire-ORed and level-shifted with other open-drain PGs to provide a system-wide PG or reset.

The TPS7A26 LDO operates more efficiently than standard linear regulators because the maximum dropout voltage is less than 590 mV at 500 mA of current. This maximum dropout voltage allows for 87.7% efficiency from a 5.7-V input voltage (V_IN) to
5.0-V output voltage (V_OUT).

For lower power applications, consider the TPS7A25.

The TPS7A26 low-dropout (LDO) linear voltage regulator supports a 2.4-V to 18-V input voltage range with very-low quiescent current (I_Q). These features help modern appliances meet increasingly stringent energy requirements and help extend battery life in portable-power solutions.

The TPS7A26 is available in both fixed and adjustable versions. For more flexibility or higher output voltages, the adjustable version uses feedback resistors to set the output voltage from 1.24 V to 17.4 V. Both versions have 1% output regulation accuracy that provides precision regulation for microcontroller (MCU) references.

With the open-drain, power-good (PG) output the device can provide a reset to an MCU or be wire-ORed and level-shifted with other open-drain PGs to provide a system-wide PG or reset.

The TPS7A26 LDO operates more efficiently than standard linear regulators because the maximum dropout voltage is less than 590 mV at 500 mA of current. This maximum dropout voltage allows for 87.7% efficiency from a 5.7-V input voltage (V_IN) to
5.0-V output voltage (V_OUT).

For lower power applications, consider the TPS7A25.

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Documentación técnica

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	Tipo	Título		Fecha
*	Data sheet	TPS7A26 500-mA, 18-V, Ultra-Low IQ, Low-Dropout Linear Voltage Regulator With Power-Good datasheet (Rev. B)	PDF \| HTML	11 oct 2019
	White paper	Understanding the Foundations of Quiescent Current in Linear Power Systems		18 feb 2021
	EVM User's guide	TPS7A26EVM-021 Evaluation Module User's Guide		07 dic 2018

Diseño y desarrollo

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Placa de evaluación

TPS7A26EVM-021 — Regulador de tensión lineal LDO de 500 mA, 18 V e IQ ultrabaja con módulo de evaluación de buena pot

The TPS7A26 evaluation module (EVM) is designed for a typical configuration to evaluate the operation and performance of the TPS7A26 device, which is a 500-mA low-dropout (LDO) linear regulator.

TPS7A26EVM-021 is configured to be a reference design for engineering applications requiring current to a (...)

Guía del usuario: PDF

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Diseños de referencia

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This reference design is optimized for 10 to 100 Mbps using the low-power Ethernet physical layer (PHY) DP83825 supporting 150-m reach over CAT5e cable which is beyond the standard Ethernet distance limitation of 100 m (328 feet). This design has power delivery over Ethernet cable along with data (...)

Design guide: PDF

Esquema: PDF

Encapsulado	Pines	Símbolos CAD, huellas y modelos 3D
WSON (DRV)	6	Ultra Librarian

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TPS7A26

Regulador de tensión de caída baja ajustable de 500 mA, 18 V, IQ ultrabaja y de alta precisión, con

TPS7A26

Detalles del producto

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Misma funcionalidad con diferente configuración de pines que el dispositivo comparado

Documentación técnica

Diseño y desarrollo

TPS7A26EVM-021 — Regulador de tensión lineal LDO de 500 mA, 18 V e IQ ultrabaja con módulo de evaluación de buena pot

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Soporte y capacitación

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