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Texas Instruments Regulador de Tensão LDO RF TPS7A4701

O Regulador de Tensão LDO RF TPS7A4701 Texas Instruments foi projetado para alimentar circuitos analógicos de precisão sensíveis a ruído, utilizados nos mercados de instrumentação, industrial, médico, teste e medição. A necessidade de alta tensão de entrada junto com medições precisas e repetíveis nestes mercados requer trilhos de tensão extremamente limpos, para energizar circuitos analógicos de alto desempenho tais como amplificadores operacionais, conversores digital para analógico conversores analógico para digital e diferentes tipos de sensores.

Recursos

  • Input Voltage Range +3V to +36V
  • Output Voltage Noise 4.17μVRMS (10Hz, 100kHz)
  • Power-Supply Ripple Rejection
  • 82dB (100Hz)
    • ≥ 55dB (10Hz, 10MHz)
  • Available in Two Versions
    • ANY-OUT™ (Adjustable Output via PCB Layout)
      • No External Resistors or Feed-Forward Capacitors Required
      • Output Voltage Range: +1.4V to +20.5V
    • Adjustable (TPS7A4701 only)
      • Output Voltage Range: +1.4V to +34V
  • Output Current 1A
  • Dropout Voltage 307mV at 1A
  • CMOS Logic Level-Compatible Enable Pin
  • Built-In Fixed Current Limit and Thermal Shutdown
  • Available in High Thermal Performance Package 5mm × 5mm QFN
  • Operating Temperature Range -40°C to +125°C

Aplicações

  • Voltage-controlled oscillators (VCO)
  • Frequency synthesizers
  • Test and measurement
  • Instrumentation, medical, and audio
  • RX, TX, and PA circuitry
  • Supply rails for operational amplifiers, DACs, ADCs, and more
  • Post DC-DC converter regulation and ripple filtering
  • Base stations and telecom infrastructure
  • +12V and +24V industrial buses

Datasheets

Block Diagram

Diagrama de bloco - Texas Instruments Regulador de Tensão LDO RF TPS7A4701

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Publicado: 2014-01-29 | Atualizado: 2022-05-31