TPS7A44

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Regulador de tensión lineal LDO de 50 mA, 65 V e IQ baja, con buena potencia y carril de salida medi

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document-pdfAcrobat TPS7A44 50-mA, 65-V, Low IQ, Low-Dropout Linear Voltage Regulator With Power-Good and Selectable Mid-Output Rail datasheet (Inglés) PDF | HTML

TPS7A44

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Detalles del producto

Output options

Adjustable Output, Fixed Output

Iout (max) (A)

0.05

Vin (max) (V)

65

Vin (min) (V)

4

Vout (max) (V)

14.5

Vout (min) (V)

1.24

Fixed output options (V)

3.3, 5

Noise (µVrms)

115

Iq (typ) (mA)

0.0055

Thermal resistance θJA (°C/W)

53.7

Rating

Catalog

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Features

Enable, Power good

Accuracy (%)

1

PSRR at 100 KHz (dB)

75

Dropout voltage (Vdo) (typ) (mV)

600

Operating temperature range (°C)

-40 to 125

Output options

Adjustable Output, Fixed Output

Iout (max) (A)

0.05

Vin (max) (V)

65

Vin (min) (V)

4

Vout (max) (V)

14.5

Vout (min) (V)

1.24

Fixed output options (V)

3.3, 5

Noise (µVrms)

115

Iq (typ) (mA)

0.0055

Thermal resistance θJA (°C/W)

53.7

Rating

Catalog

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Features

Enable, Power good

Accuracy (%)

1

PSRR at 100 KHz (dB)

75

Dropout voltage (Vdo) (typ) (mV)

600

Operating temperature range (°C)

-40 to 125

HVSSOP (DGQ)

10

14.7 mm² 3 x 4.9

Input voltage: 4 V to 65 V
Wide output (OUT) voltage range:
- Adjustable: 1.24 V to 14.5 V
- Fixed: 1.25 V to 5.0 V
Selectable intermediate output (MID_OUT):
- 10 V, 12 V, 15 V
Maximum output current:
- 50 mA (shared between OUT and MID_OUT)
1% accuracy over temperature
Ultra-low I_Q: 5.5 µA
Precision enable
Power-good (PG) output (open drain)
Thermal shutdown and overcurrent protection
Operating junction temperature: –40°C to +125°C
Package: HVSSOP-10 (R_θJA = 53.7°C/W)

Input voltage: 4 V to 65 V
Wide output (OUT) voltage range:
- Adjustable: 1.24 V to 14.5 V
- Fixed: 1.25 V to 5.0 V
Selectable intermediate output (MID_OUT):
- 10 V, 12 V, 15 V
Maximum output current:
- 50 mA (shared between OUT and MID_OUT)
1% accuracy over temperature
Ultra-low I_Q: 5.5 µA
Precision enable
Power-good (PG) output (open drain)
Thermal shutdown and overcurrent protection
Operating junction temperature: –40°C to +125°C
Package: HVSSOP-10 (R_θJA = 53.7°C/W)

The TPS7A44 low-dropout (LDO) linear voltage regulator introduces a combination of a 4-V to 65-V input voltage range with very-low quiescent current.

This device can support a wide range of input voltages (for example, a 15-s battery and 24-V to 48-V line power) and withstand line transient voltages up to 85 V. These features help modern applications meet increasingly stringent energy requirements, and help extend battery life in portable-power solutions.

The TPS7A44 output (OUT) is available in both fixed and adjustable output versions, which can regulate from 1.24 V to 14.5 V at 1% accuracy. The device also provides a second intermediate output (MID_OUT) that can be set to 10 V, 12 V, and 15 V using the MVSEL pins and can be used to bias gate drivers in place of a discrete regulator.

The TPS7A44 features a precision enable input that helps enable or disable the LDO at a fixed and accurate threshold voltage using a resistor divider from the input.

The power-good (PG) output is used to monitor the voltage at the feedback pin to indicate the status of the output voltage. The EN input and PG output can be used for sequencing multiple power sources in the system.

The TPS7A44 low-dropout (LDO) linear voltage regulator introduces a combination of a 4-V to 65-V input voltage range with very-low quiescent current.

This device can support a wide range of input voltages (for example, a 15-s battery and 24-V to 48-V line power) and withstand line transient voltages up to 85 V. These features help modern applications meet increasingly stringent energy requirements, and help extend battery life in portable-power solutions.

The TPS7A44 output (OUT) is available in both fixed and adjustable output versions, which can regulate from 1.24 V to 14.5 V at 1% accuracy. The device also provides a second intermediate output (MID_OUT) that can be set to 10 V, 12 V, and 15 V using the MVSEL pins and can be used to bias gate drivers in place of a discrete regulator.

The TPS7A44 features a precision enable input that helps enable or disable the LDO at a fixed and accurate threshold voltage using a resistor divider from the input.

The power-good (PG) output is used to monitor the voltage at the feedback pin to indicate the status of the output voltage. The EN input and PG output can be used for sequencing multiple power sources in the system.

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Documentación técnica

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	Tipo	Título		Fecha
*	Data sheet	TPS7A44 50-mA, 65-V, Low IQ, Low-Dropout Linear Voltage Regulator With Power-Good and Selectable Mid-Output Rail datasheet	PDF \| HTML	19 nov 2021
	EVM User's guide	TPS7A43EVM-047 EVM User's Guide		23 oct 2020

Diseño y desarrollo

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Placa de evaluación

TPS7A43EVM-047 — Regulador de tensión LDO TPS7A43 doble de 50 mA, 85 V e IQ ultrabaja con módulo de evaluación de

El módulo de evaluación (EVM) TPS7A43EVM-047 es una plataforma para evaluar el funcionamiento y el rendimiento del regulador lineal TPS7A43. Esta configuración del EVM contiene un único regulador de tensión de 50 mA, alta tensión y corriente quiescente baja (I_Q), salida doble y caída baja (LDO) (...)

Guía del usuario: PDF