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TPS7A57-Q1

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Rauscharmer Spannungsregler mit niedriger Abfallspannung (LDO), niedriger Eingangsspannung, 5 A, hoh

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TPS7A57-Q1

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Produktdetails

Rating Automotive Vin (max) (V) 6 Vin (min) (V) 0.7 Iout (max) (A) 5 Output options Adjustable Output Vout (max) (V) 5.2 Vout (min) (V) 0.5 Noise (µVrms) 2.45 PSRR at 100 KHz (dB) 60 Iq (typ) (mA) 5 Features Adjustable current limit, Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start Thermal resistance θJA (°C/W) 40.3 Load capacitance (min) (µF) 15 Regulated outputs (#) 1 Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 75 Operating temperature range (°C) -40 to 125
Rating Automotive Vin (max) (V) 6 Vin (min) (V) 0.7 Iout (max) (A) 5 Output options Adjustable Output Vout (max) (V) 5.2 Vout (min) (V) 0.5 Noise (µVrms) 2.45 PSRR at 100 KHz (dB) 60 Iq (typ) (mA) 5 Features Adjustable current limit, Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start Thermal resistance θJA (°C/W) 40.3 Load capacitance (min) (µF) 15 Regulated outputs (#) 1 Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 75 Operating temperature range (°C) -40 to 125
WQFN (RTE) 16 9 mm² 3 x 3
  • AEC-Q100 Qualified for Automotive Applications
    • Temperature Grade 1: -40oC ≤ TA≤ +125oC
  • Input voltage range:
    • Without BIAS: 1.1V to 6.0V
    • With BIAS: 0.7V to 6.0V
  • Output voltage noise: 2.45µVRMS
  • 1% (max) accuracy over line, load, and temperature
  • Low dropout: 75mV at 5A
  • Power-supply rejection ratio (5A):
    • 100dB at 1kHz
    • 78dB at 10kHz
    • 60dB at 100kHz
    • 36dB at 1MHz
  • Superior load transient response:
    • ±2mV with a 100mA to 5A load step
  • Adjustable output voltage with one resistor:
    • Adjustable output voltage range: 0.5V to 5.2V
  • Adjustable soft-start inrush control
  • BIAS rail:
    • Internal charge pump or 3V to 11V external rail
    • Internal charge pump can be disabled
  • Open-drain, power-good (PG) output
  • Package: 3mm × 3mm, 16-pin WQFN
    • EVM RθJA: 21.9°C/W
  • AEC-Q100 Qualified for Automotive Applications
    • Temperature Grade 1: -40oC ≤ TA≤ +125oC
  • Input voltage range:
    • Without BIAS: 1.1V to 6.0V
    • With BIAS: 0.7V to 6.0V
  • Output voltage noise: 2.45µVRMS
  • 1% (max) accuracy over line, load, and temperature
  • Low dropout: 75mV at 5A
  • Power-supply rejection ratio (5A):
    • 100dB at 1kHz
    • 78dB at 10kHz
    • 60dB at 100kHz
    • 36dB at 1MHz
  • Superior load transient response:
    • ±2mV with a 100mA to 5A load step
  • Adjustable output voltage with one resistor:
    • Adjustable output voltage range: 0.5V to 5.2V
  • Adjustable soft-start inrush control
  • BIAS rail:
    • Internal charge pump or 3V to 11V external rail
    • Internal charge pump can be disabled
  • Open-drain, power-good (PG) output
  • Package: 3mm × 3mm, 16-pin WQFN
    • EVM RθJA: 21.9°C/W

The TPS7A57-Q1 is a low-noise (2.45µVRMS), ultra-low-dropout linear regulator (LDO) capable of sourcing 5A with only 75mV of dropout, independently of the output voltage. The device output voltage is adjustable from 0.5V to 5.2V using a single external resistor. The combination of low noise, high PSRR (36dB at 1MHz), and high output-current capability makes the TPS7A57 designed for powering noise-sensitive components (such as RF amplifiers, radar sensors, SERDES and analog chipsets) found in radar power, communication, and imaging applications.

Digital loads [such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and digital signal processors (DSPs)] requiring low-input, low-output (LILO) voltage operation also benefit from the exceptional accuracy (1% over load, line, and temperature), remote sensing, excellent transient performance, and soft-start capabilities to provide optimal system performance. The versatility, performance, and small footprint solution make this LDO an excellent choice for high-current analog loads such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and imaging sensors as well as digital loads such as serializer/deserializers (SerDes), FPGAs, and DSPs.

The TPS7A57-Q1 is a low-noise (2.45µVRMS), ultra-low-dropout linear regulator (LDO) capable of sourcing 5A with only 75mV of dropout, independently of the output voltage. The device output voltage is adjustable from 0.5V to 5.2V using a single external resistor. The combination of low noise, high PSRR (36dB at 1MHz), and high output-current capability makes the TPS7A57 designed for powering noise-sensitive components (such as RF amplifiers, radar sensors, SERDES and analog chipsets) found in radar power, communication, and imaging applications.

Digital loads [such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and digital signal processors (DSPs)] requiring low-input, low-output (LILO) voltage operation also benefit from the exceptional accuracy (1% over load, line, and temperature), remote sensing, excellent transient performance, and soft-start capabilities to provide optimal system performance. The versatility, performance, and small footprint solution make this LDO an excellent choice for high-current analog loads such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and imaging sensors as well as digital loads such as serializer/deserializers (SerDes), FPGAs, and DSPs.
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* Data sheet TPS7A57-Q1 Automotive, 5A, Low-VIN , Low-Noise, High-Accuracy, Ultra-Low Dropout (LDO) Voltage Regulator datasheet PDF | HTML 09 Jan 2026

Design und Entwicklung

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Evaluierungsplatine

TPS7A57EVM-081 — TPS7A57-Evaluierungsmodul für 5-A-LDO-Spannungsregler mit geringem Rauschen und hoher Genauigkeit

Das TPS7A57EVM-081-Evaluierungsmodul (EVM) ist eine Plattform zur Entwicklung des TPS7A57, eines rauscharmen Low-Dropout-Linearreglers (LDO). Das Referenzdesign TIDA-050061 zeigt den TPS7A57 in einer Parallelkonfiguration unter Verwendung von Vorschaltwiderständen, die 13 A bereitstellen können

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