Product details

Output options Adjustable Output Iout (Max) (A) 0.45 Vin (Max) (V) 40 Vin (Min) (V) 4 Vout (Max) (V) 18 Vout (Min) (V) 1.5 Iq (Typ) (mA) 0.015 Thermal resistance θJA (°C/W) 48 Rating Catalog Load capacitance (Min) (µF) 10 Regulated outputs (#) 1 Features Enable, Power Good Accuracy (%) 2 PSRR @ 100 KHz (dB) 45 Dropout voltage (Vdo) (Typ) (mV) 240 Operating temperature range (C) -40 to 125
Output options Adjustable Output Iout (Max) (A) 0.45 Vin (Max) (V) 40 Vin (Min) (V) 4 Vout (Max) (V) 18 Vout (Min) (V) 1.5 Iq (Typ) (mA) 0.015 Thermal resistance θJA (°C/W) 48 Rating Catalog Load capacitance (Min) (µF) 10 Regulated outputs (#) 1 Features Enable, Power Good Accuracy (%) 2 PSRR @ 100 KHz (dB) 45 Dropout voltage (Vdo) (Typ) (mV) 240 Operating temperature range (C) -40 to 125
VSON (DRB) 8 9 mm² 3 x 3
  • Wide Input Voltage Range: 4 V to 40 V
  • Adjustable Output Voltage: 1.5 V to 18 V
  • Output Current: 450 mA
  • Low Quiescent Current (IQ): 15 µA
  • Low Dropout Voltage: 450 mV (max) at 400 mA
  • Power Good with Programmable Delay
  • Thermal Shutdown and Overcurrent Protection
  • Stable with Ceramic Output Capacitors:
    • 10 µF to 500 µF for VOUT ≥ 2.5 V
    • 22 µF to 500 µF for VOUT < 2.5 V
  • Operating Temperature: –40°C to +125°C
  • Package: 3-mm × 3-mm SON-8
  • Wide Input Voltage Range: 4 V to 40 V
  • Adjustable Output Voltage: 1.5 V to 18 V
  • Output Current: 450 mA
  • Low Quiescent Current (IQ): 15 µA
  • Low Dropout Voltage: 450 mV (max) at 400 mA
  • Power Good with Programmable Delay
  • Thermal Shutdown and Overcurrent Protection
  • Stable with Ceramic Output Capacitors:
    • 10 µF to 500 µF for VOUT ≥ 2.5 V
    • 22 µF to 500 µF for VOUT < 2.5 V
  • Operating Temperature: –40°C to +125°C
  • Package: 3-mm × 3-mm SON-8

The TPS7A19 is a low-dropout linear regulator (LDO) with a wide input voltage (VIN) range up to 40 V, capable of sourcing high output current (IOUT) up to 450 mA. This voltage regulator is ideal for generating a low-voltage supply from wide input-voltage rails. Not only does the TPS7A19 supply a well-regulated voltage rail, but the device also withstands and maintains regulation during voltage transients by acting as a simple surge protection circuit.

The TPS7A19 consumes only 15 µA of quiescent current (IQ) at light loads, thereby lowering the power consumption for always-on or battery-powered applications.

The TPS7A19 features integrated thermal shutdown and overcurrent protection. The TPS7A19 also offers a power good output (PG) with a programmable delay that indicates when the output voltage is in regulation. This feature is useful for power-rail sequencing functions.

This LDO is available in a small, 3-mm × 3-mm, thermally-enhanced, 8-pin SON package.

The TPS7A19 is a low-dropout linear regulator (LDO) with a wide input voltage (VIN) range up to 40 V, capable of sourcing high output current (IOUT) up to 450 mA. This voltage regulator is ideal for generating a low-voltage supply from wide input-voltage rails. Not only does the TPS7A19 supply a well-regulated voltage rail, but the device also withstands and maintains regulation during voltage transients by acting as a simple surge protection circuit.

The TPS7A19 consumes only 15 µA of quiescent current (IQ) at light loads, thereby lowering the power consumption for always-on or battery-powered applications.

The TPS7A19 features integrated thermal shutdown and overcurrent protection. The TPS7A19 also offers a power good output (PG) with a programmable delay that indicates when the output voltage is in regulation. This feature is useful for power-rail sequencing functions.

This LDO is available in a small, 3-mm × 3-mm, thermally-enhanced, 8-pin SON package.

Download

Similar products you might be interested in

open-in-new Compare products
Same functionality with different pin-out to the compared device.
TPS7A90 ACTIVE 500-mA, low-noise, high-PSRR, adjustable ultra-low-dropout voltage regulator with high-accuracy 500mA LDO Regulator, low noise (4.7uVrms) LDO in a small package (2.5 mm x 2.5mm)

Technical documentation

star = Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 4
Type Title Date
* Data sheet TPS7A19 40-V, 450-mA, Wide VIN, Low IQ, Low-Dropout Voltage Regulator with Power Good datasheet (Rev. A) 30 Sep 2016
Technical article 3 quiescent-current (Iq) specifications you need to understand 12 Nov 2021
Selection guide Low Dropout Regulators Quick Reference Guide (Rev. P) 21 Mar 2018
User guide TPS7A19 EVM User's Guide 20 Jun 2016

Design & development

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

Evaluation board

TPS7A1901EVM-760 — TPS7A19 40-V 450-mA low-IQ LDO linear regulator evaluation module

The TPS7A1901EVM-760 evaluation module is designed for a typical configuration to evaluate the operation and performance of the TPS7A19 40-V, 450-mA, High-Voltage, Ultra-Low IQ Low-Dropout Regulator.

The EVM circuit board is configured to be a reference design for engineering applications requiring (...)
In stock
Limit: 5
Simulation model

TPS7A1901 PSpice Transient Model (Rev. A)

SBVM622A.ZIP (85 KB) - PSpice Model
Simulation model

TPS7A1901 Unencrypted PSpice Transient Model (Rev. A)

SBVM623A.ZIP (3 KB) - PSpice Model
Package Pins Download
SON (DRB) 8 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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