전력 관리 선형 및 저손실(LDO) 레귤레이터

TPS7N59

미리 보기

10A, 낮은 VIN, 저잡음 고정밀 초저손실(LDO) 전압 레귤레이터

제품 상세 정보

Rating Catalog Vin (max) (V) 6 Vin (min) (V) 0.7 Iout (max) (A) 10 Output options Adjustable Output Vout (max) (V) 5.2 Vout (min) (V) 0.5 Noise (µVrms) 2.5 PSRR at 100 KHz (dB) 60 Iq (typ) (mA) 5 Features Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start Thermal resistance θJA (°C/W) 19, 36 Load capacitance (min) (µF) 15 Regulated outputs (#) 1 Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 150 Operating temperature range (°C) -40 to 125
Rating Catalog Vin (max) (V) 6 Vin (min) (V) 0.7 Iout (max) (A) 10 Output options Adjustable Output Vout (max) (V) 5.2 Vout (min) (V) 0.5 Noise (µVrms) 2.5 PSRR at 100 KHz (dB) 60 Iq (typ) (mA) 5 Features Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start Thermal resistance θJA (°C/W) 19, 36 Load capacitance (min) (µF) 15 Regulated outputs (#) 1 Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 150 Operating temperature range (°C) -40 to 125
WQFN (RTW) 24 16 mm² 4 x 4
  • Input voltage range: 0.7V to 6.0V
  • Output voltage noise: 2.5µVRMS
  • 1% (max) accuracy over line, load, and temperature
  • Low dropout: 150mV (typ) at 10A
  • Power-supply rejection ratio (10A):
    • 84dB at 1kHz
    • 64dB at 10kHz
    • 49dB at 100kHz
    • 30dB at 1MHz
  • Excellent load transient response:
    • ±20mV with a 10mA to 10A load step
  • Adjustable output voltage range: 0.5V to 5.2V
  • Adjustable soft-start inrush control
  • BIAS rail: 3V to 12V external rail
  • Open-drain, power-good (PG) output
  • Package: 4mm × 4mm, 24-pin WQFN
    • EVM RθJA: 14.3°C/W
  • Input voltage range: 0.7V to 6.0V
  • Output voltage noise: 2.5µVRMS
  • 1% (max) accuracy over line, load, and temperature
  • Low dropout: 150mV (typ) at 10A
  • Power-supply rejection ratio (10A):
    • 84dB at 1kHz
    • 64dB at 10kHz
    • 49dB at 100kHz
    • 30dB at 1MHz
  • Excellent load transient response:
    • ±20mV with a 10mA to 10A load step
  • Adjustable output voltage range: 0.5V to 5.2V
  • Adjustable soft-start inrush control
  • BIAS rail: 3V to 12V external rail
  • Open-drain, power-good (PG) output
  • Package: 4mm × 4mm, 24-pin WQFN
    • EVM RθJA: 14.3°C/W

The TPS7N59 is a low-noise (2.5µVRMS), ultra-low-dropout linear regulator (LDO) capable of sourcing 10A with only 150mV 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 (TBD dB at 1MHz), and high output-current capability makes the TPS7N59 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 good 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 TPS7N59 is a low-noise (2.5µVRMS), ultra-low-dropout linear regulator (LDO) capable of sourcing 10A with only 150mV 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 (TBD dB at 1MHz), and high output-current capability makes the TPS7N59 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 good 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 TPS7N59 10A, Low-VIN , Low-Noise, High-Accuracy, Ultra-Low Dropout (LDO) Voltage Regulator datasheet PDF | HTML 2026/02/11

설계 및 개발

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평가 보드

TPS7N59EVM-184 — TPS7N59 평가 모듈

TPS7N59EVM-184 평가 모듈(EVM)은 초저노이즈, 초고 PSRR, 10A 출력이 가능한 RF LDO(저손실) 선형 레귤레이터인 TPS7N59의 엔지니어링 데모 및 평가를 위한 레퍼런스 설계입니다. 이 사용 설명서에는 설정 및 작동 지침, 열 및 레이아웃 가이드라인, 인쇄 회로 보드(PCB) 레이아웃, 회로도 다이어그램 및 재료 사양서(BOM)가 포함되어 있습니다.
사용 설명서: PDF | HTML
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