Product details


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 Noise (uVrms) 3.8 Iq (Typ) (mA) 2.1 Thermal resistance θJA (°C/W) 40 TI functional safety category Functional Safety-Capable Load capacitance (Min) (µF) 10 Rating Automotive Regulated outputs (#) 2 Features Enable, Foldback Overcurrent Protection, Output Discharge, Power Good, Soft Start Accuracy (%) 1 PSRR @ 100 KHz (dB) 40 Dropout voltage (Vdo) (Typ) (mV) 130 Operating temperature range (C) -40 to 140 open-in-new Find other Linear & low-dropout (LDO) regulators

Package | Pins | Size

WQFN (RTJ) 20 16 mm² 4 x 4 open-in-new Find other Linear & low-dropout (LDO) regulators


  • 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
open-in-new Find other Linear & low-dropout (LDO) regulators


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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Technical documentation

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Type Title Date
* Data sheet TPS7A88-Q1 Automotive, Dual, 1-A, Low-Noise (4 µVRMS) LDO Voltage Regulator datasheet (Rev. A) Sep. 15, 2017
Functional safety information TPS7A88-Q1 Functional Safety FIT Rate and Failure Mode Distribution Dec. 17, 2019
Application note A Topical Index of TI LDO Application Notes (Rev. F) Jun. 27, 2019
Selection guide Low Dropout Regulators Quick Reference Guide (Rev. P) Mar. 21, 2018
More literature Fundamentals of designing with LDOs in auto battery direct connect applications Feb. 27, 2017
User guide TPS7A88 Evaluation Module User's Guide Dec. 09, 2015

Design & development

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Hardware development

document-generic User guide

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 (...)

  • Two Independent LDOs in one package
  • Low Output Noise: <5 µVRMS [10Hz - 100kHz]
  • Low Dropout: 200 mV Max at 1 A
  • Wide Input Voltage Range: 1.4 V to 6.5 V
  • High Power-Supply Ripple Rejection: 50 dB at 1 MHz

Design tools & simulation

SBVM553.ZIP (88 KB) - PSpice Model
SBVM554.ZIP (3 KB) - PSpice Model

CAD/CAE symbols

Package Pins Download
QFN (RTJ) 20 View options

Ordering & quality

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