This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.


LDO Regulator Pos 1.5V to 5.5V 0.15A Automotive 8-Pin VSSOP T/R

Inquiry Add To Bom

TPS77101QDGKRQ1 General Description

The TPS771xx and TPS772xx are low-dropout regulators with integrated power-on reset and power good (PG) function respectively. These devices are capable of supplying 150 mA of output current with a dropout of 115 mV (TPS77133, TPS77233). Quiescent current is 92 μA at full load dropping down to 1 μA when device is disabled. These devices are optimized to be stable with a wide range of output capacitors including low ESR ceramic (10 μF) or low capacitance (1 μF) tantalum capacitors. These devices have extremely low noise output performance (55 \xECVrms) without using any added filter capacitors. TPS771xx and TPS772xx are designed to have fast transient response for larger load current changes.

The TPS771xx or TPS772xx is offered in 1.5 V,1.8-V, 2.7-V, 2.8-V, 3.3-V, and 5 V fixed-voltage versions and in an adjustable version (programmable over the range of 1.5 V to 5.5 V). Output voltage tolerance is 2% over line, load, and temperature ranges. The TPS771xx and TPS772xx families are available in 8-pin MSOP (DGK) packages.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is low (typically 115 mV at an output current of 150 mA for 3.3-V option) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is low and independent of output loading (typically 92 \xECA over the full range of output current, 0 mA to 150 mA). These two key specifications yield a significant improvement in operating life for battery-powered systems.

The device is enabled when the EN pin is connected to a low-level input voltage. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 μA at TJ = 25°C.

The TPS771xx features an integrated power-on reset, commonly used as a supply voltage supervisor (SVS) or reset output voltage. The RESET output of the TPS771xx initiates a reset in DSP, microcomputer or microprocessor systems at power up and in the event of an undervoltage condition. An internal comparator in the TPS771xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage. When OUT reaches 95% of its regulated voltage, RESET goes to a high-impedance state after a 220 ms delay. RESET goes to low-impedance state when OUT is pulled below 95% (i.e., over load condition) of its regulated voltage.

For the TPS772xx, the power good terminal (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator. An internal comparator in the TPS772xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage. When OUT falls below 82% of its regulated voltage, PG goes to a low-impedance state. PG goes to a high-impedance state when OUT is above 82% of its regulated voltage.

Texas Instruments, Inc Inventory

Key Features

  • Qualified for Automotive Applications
  • Open Drain Power-On Reset With 220-ms Delay (TPS771xx)
  • Open Drain Power-Good (PG) Status Output (TPS772xx)
  • 150-mA Low-Dropout Voltage Regulator
  • Available in 1.5-V, 1.8-V, 2.7-V, 2.8-V, 3.3-V, 5.0-V Fixed Output and Adjustable Versions
  • Dropout Voltage Typically 115 mV at 150 mA (TPS77133, TPS77233)
  • Ultralow 92-μA Quiescent Current (Typ)
  • 8-Pin MSOP (DGK) Package
  • Low Noise (55 μVrms) Without External Filter (Bypass) Capacitor (TPS77118, TPS77218)
  • 2% Tolerance Over Specified Conditions for Fixed-Output Versions
  • Fast Transient Response
  • Thermal Shutdown Protection

NOTE 1: Contact Texas Instruments for details. Q100 qualification data available on request.

Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory


Category Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - Linear Mfr Texas Instruments
Series Automotive, AEC-Q100 Package Tape & Reel (TR)Cut Tape (CT)Digi-Reel®
Product Status Active Output Configuration Positive
Output Type Adjustable Number of Regulators 1
Voltage - Input (Max) 10V Voltage - Output (Min/Fixed) 1.5V
Voltage - Output (Max) 5.5V Voltage Dropout (Max) -
Current - Output 150mA Current - Quiescent (Iq) 125 µA
PSRR 60dB (1kHz) Control Features Enable, Reset
Protection Features Over Current, Over Temperature, Reverse Polarity Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-VSSOP


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

  • DHL

  • Fedex

  • UPS

  • EMS

  • Registered Air Mail


We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

  • Wire Transfer

  • Paypal

  • Credit Card

  • Western Union

  • Money Gram


Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


  • Tape and Reel

    Tape and Reel

  • Cut Tape

    Cut Tape

  • Tube or Tray

    Tube or Tray


You need to log in to reply. Sign In | Sign Up

Buying Guide

  • What is the lifespan of TPS77101QDGKRQ1?

    The lifespan of TPS77101QDGKRQ1 depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of TPS77101QDGKRQ1?

    You can find it with PDF Datasheet for TPS77101QDGKRQ1 on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.

  • How to check the quality of TPS77101QDGKRQ1?

    Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.

  • Can I purchase samples for testing?

    Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.

  • Where can I check the delivery after the order is completed?

    Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.

  • Where to view my order of TPS77101QDGKRQ1 or my history order record?

    You could view all of your orders by logging in or registering AVAQ account. Log in or Register an account now.