Top

Product details

Parameters

Output options Adjustable Output Iout (Max) (A) 2 Vin (Max) (V) 6.5 Vin (Min) (V) 1.1 Vout (Max) (V) 5.15 Vout (Min) (V) 0.8 Noise (uVrms) 4.4 Iq (Typ) (mA) 2.8 Thermal resistance θJA (°C/W) 46.5 Load capacitance (Min) (µF) 22 Rating Catalog Regulated outputs (#) 1 Features Enable, Foldback Overcurrent Protection, Output Discharge, Power Good, Soft Start Accuracy (%) 0.5 PSRR @ 100 KHz (dB) 45 Dropout voltage (Vdo) (Typ) (mV) 40 Operating temperature range (C) -40 to 125 open-in-new Find other Linear regulators (LDO)

Package | Pins | Size

VQFN-HR (RPS) 12 6 mm² 2.5 x 2.2 open-in-new Find other Linear regulators (LDO)

Features

  • 0.5% (max) accuracy over line, load, and temperature with BIAS
  • Output voltage noise: 4.4 µVRMS
  • Low dropout: 65 mV (max) at 2 A with BIAS
  • Output voltage noise: 4.4 µVRMS
  • Power-supply ripple rejection:
    • 40 dB at 500 kHz
  • Input voltage range:
    • Without BIAS: 1.4 V to 6.5 V
    • With BIAS: 1.1 V to 6.5 V
  • Adjustable output voltage range: 0.8 V to 5.2 V
  • Adjustable soft-start inrush control
  • Open-drain, power-good (PG) output
  • 2.2-mm × 2.5-mm, 12-pin VQFN package

All trademarks are the property of their respective owners.

open-in-new Find other Linear regulators (LDO)

Description

The TPS7A52 is a low-noise (4.4 µVRMS), ultra-low dropout linear regulator (LDO) capable of sourcing 2 A with only 65 mV of maximum dropout. The device output voltage is adjustable from 0.8 V to 5.2 V using an external resistor divider.

The combination of low noise (4.4 µVRMS), high PSRR, and high output current capability makes the TPS7A52 an excellent choice to power noise-sensitive components such as those found in high-speed communications, video, medical, or test-and-measurement applications. The high performance of this device limits power-supply-generated phase noise and clock jitter, making this device ideal for powering high-performance serializer and deserializer (SerDes), analog-to-digital converters (ADCs), and digital-to-analog converters (DACs). Specifically, RF amplifiers benefit from the high performance and 5.2-V output capability of the device.

For digital loads [such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and digital signal processors (DSPs)] requiring low-input voltage, low-output (LILO) voltage operation, the exceptional accuracy (0.5% over load and temperature), remote sensing, excellent transient performance, and soft-start capabilities of the TPS7A52 provides optimal system performance.

As an adjustable voltage regulator, there is versatility in the design of the TPS7A52 that makes the device a component of choice for analog loads such as voltage-controlled oscillator (VCO), ADC, DAC, and imaging sensors and for digital loads such as SerDes, FPGAs, and DSPs.

 

open-in-new Find other Linear regulators (LDO)
Download
Similar products you might be interested in
open-in-new Compare products
Same functionality but is not pin-for-pin or parametrically equivalent to the compared device:
TPS7A52-Q1 ACTIVE Automotive 2-A, low-VIN (1.1-V), low-noise, high-accuracy, ultra-low-dropout (LDO) voltage regulator Low noise 2A LDO with an extended temperature range
TPS7A83A ACTIVE 2-A, low-VIN (1.1-V), low-noise, high-accuracy, ultra-low-dropout voltage regulator with power good Low noise 2A LDO with Any-Out Programming
TPS7A92 ACTIVE 2-A, low-noise, high-PSRR, adjustable ultra-low-dropout voltage regulator with high-accuracy Low noise 2A LDO in small package (2.5mm x 2.5mm)
Similar but not functionally equivalent to the compared device:
TPS7A89 ACTIVE 2-A, low-noise, high-accuracy, dual-channel adjustable ultra-low-dropout voltage regulator Dual-channel low noise 2A LDO in 4mm x 4mm package

Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 5
Type Title Date
* Datasheet TPS7A52 2-A, High-Accuracy (0.5%), Low-Noise (4.4 µVRMS), LDO Voltage Regulator datasheet (Rev. A) Mar. 23, 2020
Technical articles LDO basics: capacitor vs. capacitance Aug. 01, 2018
Technical articles LDO Basics: Preventing reverse current Jul. 25, 2018
Technical articles LDO basics: introduction to quiescent current Jun. 20, 2018
Technical articles LDO basics: noise – part 1 Jun. 14, 2017

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
29
Description

The TPS7A52 evaluation module (EVM) is designed for a typical configuration to evaluate the operation and performance of the TPS7A52 device, which is a high-accuracy, 2-A, low-VIN, low-VOUT, low-dropout (LDO) voltage regulator.

The EVM circuit board is configured to be a reference design for (...)

Features
  • Adjustable output-voltage range: 0.8 V to 5.2 V
  • Low dropout: 125 mV (max) at 2 A with BIAS
  • Output-voltage noise: 4.4 µVRMS
  • Adjustable soft-start in-rush control

Design tools & simulation

SIMULATION MODELS Download
SBVM952.ZIP (19 KB) - PSpice Model

CAD/CAE symbols

Package Pins Download
VQFN-HR (RPS) 12 View options

Ordering & quality

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos

Related videos