Inicio Gestión de la energía Reguladores lineales y de baja salida (LDO)
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Gestión de la energía
Reguladores lineales y de baja salida (LDO)

TPS7A4001

ACTIVO

Regulador de tensión de caída baja ajustable de 50 mA, 100 V e IQ baja, con activación

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Misma funcionalidad con diferente configuración de pines que el dispositivo comparado
TPS7A43 ACTIVO Regulador de tensión de caída baja doble de 50 mA, 85 V e IQ ultrabaja, con buena potencia y activac Alternative option with lower IQ.
Funcionalidad similar a la del dispositivo comparado
TPS7A19 ACTIVO Regulador de tensión de caída baja ajustable de 450 mA, 40 V e IQ baja, con buena potencia y activac Wide-input-voltage (40-V) LDO regulator with a higher current rating.

TPS7A4001

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Detalles del producto

Output options Adjustable Output Iout (max) (A) 0.05 Vin (max) (V) 100 Vin (min) (V) 7 Vout (max) (V) 90 Vout (min) (V) 1.2 Noise (µVrms) 58 Iq (typ) (mA) 0.02 Thermal resistance θJA (°C/W) 67 Rating Catalog Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable Accuracy (%) 2.5 PSRR at 100 KHz (dB) 38 Dropout voltage (Vdo) (typ) (mV) 290 Operating temperature range (°C) -40 to 125
Output options Adjustable Output Iout (max) (A) 0.05 Vin (max) (V) 100 Vin (min) (V) 7 Vout (max) (V) 90 Vout (min) (V) 1.2 Noise (µVrms) 58 Iq (typ) (mA) 0.02 Thermal resistance θJA (°C/W) 67 Rating Catalog Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable Accuracy (%) 2.5 PSRR at 100 KHz (dB) 38 Dropout voltage (Vdo) (typ) (mV) 290 Operating temperature range (°C) -40 to 125
HVSSOP (DGN) 8 14.7 mm² 3 x 4.9
  • Very High Maximum Input Voltage: 100 V
  • Wide Input Voltage Range: 7 to 100 V
  • Accuracy:
    • Nominal: 1%
    • Over Line, Load, and Temperature: 2.5%
  • Low Quiescent Current: 25 µA
  • Quiescent Current at Shutdown: 4.1 µA
  • Maximum Output Current: 50 mA
  • CMOS Logic-Level-Compatible Enable Pin
  • Adjustable Output Voltage from about 1.175 to
    90 V
  • Stable With Ceramic Capacitors:
    • Input Capacitance: ≥ 1 µF
    • Output Capacitance: ≥ 4.7 µF
  • Dropout Voltage: 290 mV
  • Built-In Current Limit and Thermal Shutdown
    Protection
  • Package: High Thermal Performance HVSSOP
    PowerPAD™
  • Operating Temperature Range: –40°C to 125°C
  • Very High Maximum Input Voltage: 100 V
  • Wide Input Voltage Range: 7 to 100 V
  • Accuracy:
    • Nominal: 1%
    • Over Line, Load, and Temperature: 2.5%
  • Low Quiescent Current: 25 µA
  • Quiescent Current at Shutdown: 4.1 µA
  • Maximum Output Current: 50 mA
  • CMOS Logic-Level-Compatible Enable Pin
  • Adjustable Output Voltage from about 1.175 to
    90 V
  • Stable With Ceramic Capacitors:
    • Input Capacitance: ≥ 1 µF
    • Output Capacitance: ≥ 4.7 µF
  • Dropout Voltage: 290 mV
  • Built-In Current Limit and Thermal Shutdown
    Protection
  • Package: High Thermal Performance HVSSOP
    PowerPAD™
  • Operating Temperature Range: –40°C to 125°C

The TPS7A4001 device is a very high voltage-tolerant linear regulator that offers the benefits of a thermally-enhanced package (HVSSOP), and is able to withstand continuous DC or transient input voltages of up to 100 V.

The TPS7A4001 device is stable with any output capacitance greater than 4.7 µF and any input capacitance greater than 1 &mocro;F (over temperature and tolerance). Therefore, implementations of this device require minimal board space because of its miniaturized packaging (HVSSOP) and a potentially small output capacitor. In addition, the TPS7A4001 device offers an enable pin (EN) compatible with standard CMOS logic to enable a low-current shutdown mode.

The TPS7A4001 device has an internal thermal shutdown and current limiting to protect the system during fault conditions. The HVSSOP packages has an operating temperature range of TJ = –40\xC2°C to 125°C.

In addition, the TPS7A4001 device is ideal for generating a low-voltage supply from intermediate voltage rails in telecom and industrial applications; not only can it supply a well-regulated voltage rail, but it can also withstand and maintain regulation during very high and fast voltage transients. These features translate to simpler and more cost-effective electrical surge-protection circuitry for a wide range of applications, including PoE, bias supply, and LED lighting.

The TPS7A4001 device is a very high voltage-tolerant linear regulator that offers the benefits of a thermally-enhanced package (HVSSOP), and is able to withstand continuous DC or transient input voltages of up to 100 V.

The TPS7A4001 device is stable with any output capacitance greater than 4.7 µF and any input capacitance greater than 1 &mocro;F (over temperature and tolerance). Therefore, implementations of this device require minimal board space because of its miniaturized packaging (HVSSOP) and a potentially small output capacitor. In addition, the TPS7A4001 device offers an enable pin (EN) compatible with standard CMOS logic to enable a low-current shutdown mode.

The TPS7A4001 device has an internal thermal shutdown and current limiting to protect the system during fault conditions. The HVSSOP packages has an operating temperature range of TJ = –40\xC2°C to 125°C.

In addition, the TPS7A4001 device is ideal for generating a low-voltage supply from intermediate voltage rails in telecom and industrial applications; not only can it supply a well-regulated voltage rail, but it can also withstand and maintain regulation during very high and fast voltage transients. These features translate to simpler and more cost-effective electrical surge-protection circuitry for a wide range of applications, including PoE, bias supply, and LED lighting.
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Documentación técnica

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* Data sheet TPS7A4001 100-V Input Voltage, 50-mA, Very High Voltage Linear Regulator datasheet (Rev. B) PDF | HTML 13 jul 2015
Application note A Topical Index of TI LDO Application Notes (Rev. F) 27 jun 2019
Technical article Improving IC reliability for harsh design environments PDF | HTML 11 jun 2018
Selection guide Low Dropout Regulators Quick Reference Guide (Rev. P) 21 mar 2018
White paper Powering sensors with LDOs for industrial process control white paper 12 feb 2015

Diseño y desarrollo

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Placa de evaluación

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Modelo de simulación

TPS7A4001 TINA-TI Transient Reference Design (Rev. A)

SBVM143A.TSC (91 KB) - TINA-TI Reference Design
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Modelo de simulación

TPS7A4001 TINA-TI Transient Spice Model (Rev. A)

SBVM142A.TSM (7 KB) - TINA-TI Spice Model
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Modelo de simulación

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SLVM135B.ZIP (23 KB) - PSpice Model
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Design guide: PDF
Esquema: PDF
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HVSSOP (DGN) 8 Ver opciones
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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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