TPS7A88-Q1

現行

車用 1-A、低雜訊、高準確度、雙通道可調式超低壓降電壓穩壓器

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TPS7A52-Q1 現行 車用 2-A、低 VIN (1.1-V)、低雜訊、高準確度、低壓降 (LDO) 電壓穩壓器 A low noise, high PSRR single-channel LDO.

產品詳細資料

Output options Adjustable Output, Dual output Iout (max) (A) 1 Vin (max) (V) 6.5 Vin (min) (V) 1.4 Vout (max) (V) 5.15 Vout (min) (V) 0.8 Rating Automotive Noise (µVrms) 3.8 PSRR at 100 KHz (dB) 40 Iq (typ) (mA) 2.1 Thermal resistance θJA (°C/W) 40 TI functional safety category Functional Safety-Capable Load capacitance (min) (µF) 10 Regulated outputs (#) 2 Features Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start, Wettable flanks package Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 130 Operating temperature range (°C) -40 to 140
Output options Adjustable Output, Dual output Iout (max) (A) 1 Vin (max) (V) 6.5 Vin (min) (V) 1.4 Vout (max) (V) 5.15 Vout (min) (V) 0.8 Rating Automotive Noise (µVrms) 3.8 PSRR at 100 KHz (dB) 40 Iq (typ) (mA) 2.1 Thermal resistance θJA (°C/W) 40 TI functional safety category Functional Safety-Capable Load capacitance (min) (µF) 10 Regulated outputs (#) 2 Features Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start, Wettable flanks package Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 130 Operating temperature range (°C) -40 to 140
WQFN (RTJ) 20 16 mm² 4 x 4
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 1: –40°C ≤ TA ≤ +125°C
    • HBM ESD Classification Level 2
    • CDM ESD Classification Level C5
  • Two Independent LDO Channels
  • Low Output Noise: 4 µVRMS (10 Hz to 100 kHz)
  • Low Dropout: 230 mV (Maximum) at 1 A
  • Wide Input Voltage Range: 1.4 V to 6.5 V
  • Wide Output Voltage Range: 0.8 V to 5.15 V
  • High Power-Supply Ripple Rejection:
    • 70 dB at 100 Hz
    • 40 dB at 100 kHz
    • 40 dB at 1 MHz
  • 1% Accuracy Over Line, Load, and Temperature
  • Excellent Load Transient Response
  • Adjustable Start-Up Inrush Control
  • Selectable Soft-Start Charging Current
  • Independent Open-Drain Power-Good (PG) Outputs
  • Stable With a 10-µF or Larger Ceramic Output Capacitor
  • Low Thermal Resistance: RθJA = 39.8°C/W
  • 4-mm × 4-mm Wettable Flank WQFN Package
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 1: –40°C ≤ TA ≤ +125°C
    • HBM ESD Classification Level 2
    • CDM ESD Classification Level C5
  • Two Independent LDO Channels
  • Low Output Noise: 4 µVRMS (10 Hz to 100 kHz)
  • Low Dropout: 230 mV (Maximum) at 1 A
  • Wide Input Voltage Range: 1.4 V to 6.5 V
  • Wide Output Voltage Range: 0.8 V to 5.15 V
  • High Power-Supply Ripple Rejection:
    • 70 dB at 100 Hz
    • 40 dB at 100 kHz
    • 40 dB at 1 MHz
  • 1% Accuracy Over Line, Load, and Temperature
  • Excellent Load Transient Response
  • Adjustable Start-Up Inrush Control
  • Selectable Soft-Start Charging Current
  • Independent Open-Drain Power-Good (PG) Outputs
  • Stable With a 10-µF or Larger Ceramic Output Capacitor
  • Low Thermal Resistance: RθJA = 39.8°C/W
  • 4-mm × 4-mm Wettable Flank WQFN Package

The TPS7A88-Q1 is a dual, low-noise (4 µVRMS), low-dropout (LDO) voltage regulator capable of sourcing 1 A per channel with 250 mV of maximum dropout.

The TPS7A88-Q1 provides the flexibility of two independent LDOs and approximately 50% smaller solution size than two single-channel LDOs. Each output is adjustable with external resistors from 0.8 V to 5.15 V. The TPS7A88-Q1 wide input-voltage range supports operation as low as 1.4 V and up to 6.5 V.

With 1% output voltage accuracy (over line, load, and temperature) and soft-start capabilities to reduce in-rush current, the TPS7A88-Q1 is ideal for powering sensitive analog low-voltage devices (such as voltage-controlled oscillators [VCOs], analog-to-digital converters [ADCs], digital-to-analog converters [DACs], high-end processors, and field-programmable gate arrays [FPGAs]).

The TPS7A88-Q1 is designed to power noise-sensitive components such as those found in RF, radar communications, and telematic applications. The low 4-µVRMS output noise and wideband PSRR (40 dB at 1 MHz) minimizes phase noise and clock jitter. These features maximize performance of clocking devices, ADCs, and DACs. The TPS7A88-Q1 features wettable flanks for simple optical inspection.

The TPS7A88-Q1 is a dual, low-noise (4 µVRMS), low-dropout (LDO) voltage regulator capable of sourcing 1 A per channel with 250 mV of maximum dropout.

The TPS7A88-Q1 provides the flexibility of two independent LDOs and approximately 50% smaller solution size than two single-channel LDOs. Each output is adjustable with external resistors from 0.8 V to 5.15 V. The TPS7A88-Q1 wide input-voltage range supports operation as low as 1.4 V and up to 6.5 V.

With 1% output voltage accuracy (over line, load, and temperature) and soft-start capabilities to reduce in-rush current, the TPS7A88-Q1 is ideal for powering sensitive analog low-voltage devices (such as voltage-controlled oscillators [VCOs], analog-to-digital converters [ADCs], digital-to-analog converters [DACs], high-end processors, and field-programmable gate arrays [FPGAs]).

The TPS7A88-Q1 is designed to power noise-sensitive components such as those found in RF, radar communications, and telematic applications. The low 4-µVRMS output noise and wideband PSRR (40 dB at 1 MHz) minimizes phase noise and clock jitter. These features maximize performance of clocking devices, ADCs, and DACs. The TPS7A88-Q1 features wettable flanks for simple optical inspection.

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類型 標題 日期
* Data sheet TPS7A88-Q1 Automotive, Dual, 1-A, Low-Noise (4 µVRMS) LDO Voltage Regulator datasheet (Rev. A) PDF | HTML 2017年 9月 15日
Functional safety information TPS7A88-Q1 Functional Safety FIT Rate and Failure Mode Distribution 2019年 12月 17日
Application note A Topical Index of TI LDO Application Notes (Rev. F) 2019年 6月 27日
Selection guide Low Dropout Regulators Quick Reference Guide (Rev. P) 2018年 3月 21日
More literature Fundamentals of designing with LDOs in auto battery direct connect applications 2017年 2月 27日
EVM User's guide TPS7A88 Evaluation Module User's Guide 2015年 12月 9日

設計與開發

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開發板

TPS7A8801EVM-776 — TPS7A8801 雙路 1A 低雜訊 (3.8 μVRMS) LDO 電壓穩壓器評估模組

The TPS7A8801EVM-776 evaluation module is designed for a typical configuration to evaluate the operation and performance of the TPS7A8801, dual 1-A low dropout voltage regulator.
The EVM circuit board is configured to be a reference design for engineering applications requiring current to a dynamic (...)

使用指南: PDF
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模擬型號

TPS7A88 PSpice Transient Model

SBVM553.ZIP (88 KB) - PSpice Model
模擬型號

TPS7A88 Unencrypted PSpice Transient Model

SBVM554.ZIP (3 KB) - PSpice Model
封裝 針腳 CAD 符號、佔位空間與 3D 模型
WQFN (RTJ) 20 Ultra Librarian

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  • 認證摘要
  • 進行中持續性的可靠性監測
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