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TPS79933QDDCRQ1

Fixed LDO Regulator 3.3V

Inventory:6,356

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Overview of TPS79933QDDCRQ1

The TPS79933QDDCRQ1 is a low-dropout (LDO) voltage regulator IC with a fixed output voltage of 3.3V, designed for automotive applications. It provides a stable power supply with low noise and high efficiency, making it ideal for powering sensitive electronic components in vehicles.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input voltage
  • GND: Ground
  • VOUT: Output voltage (3.3V)
  • NC: No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS79933QDDCRQ1 IC for a visual representation.

Key Features

  • Fixed Output Voltage: Provides a stable 3.3V output voltage, suitable for powering microcontrollers and other components.
  • Low-Dropout Voltage: Operates with minimal dropout voltage, ensuring efficient power conversion.
  • High PSRR: Offers high power supply rejection ratio, reducing noise in the output voltage.
  • Automotive Grade: Designed for automotive applications, meeting stringent quality and reliability standards.
  • Overcurrent Protection: Includes built-in overcurrent protection to safeguard connected devices.

Note: For detailed technical specifications, please refer to the TPS79933QDDCRQ1 datasheet.

Application

  • Automotive Electronics: Ideal for powering electronic components in automotive systems, such as infotainment systems, sensors, and control units.
  • Vehicle Diagnostics: Suitable for use in onboard diagnostics systems and communication modules in vehicles.
  • Power Management: Used for power supply management in automotive applications requiring a stable voltage source.

Functionality

The TPS79933QDDCRQ1 is a reliable LDO voltage regulator that delivers a consistent 3.3V output voltage for automotive electronics, ensuring stable operation and optimal performance.

Usage Guide

  • Input Power: Connect VIN (Input) to the power source and GND to the ground reference.
  • Output Connection: Use VOUT (Output) to supply the regulated 3.3V to the connected electronic components.

Frequently Asked Questions

Q: Is the TPS79933QDDCRQ1 AEC-Q100 qualified?
A: Yes, the TPS79933QDDCRQ1 is designed with automotive-grade reliability and is AEC-Q100 qualified for automotive applications.

Q: What is the maximum input voltage supported by the TPS79933QDDCRQ1?
A: The TPS79933QDDCRQ1 can handle input voltages up to 5.5V.

Equivalent

For similar functionalities, consider these alternatives to the TPS79933QDDCRQ1:

  • LM2937IMP-5.0/NOPB: Another automotive-grade LDO regulator with a fixed 5.0V output voltage from Texas Instruments.
  • ADP3338AKCZ-3.3-R7: A low-dropout voltage regulator from Analog Devices offering a fixed 3.3V output voltage.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Output options Adjustable Output, Fixed Output Iout (max) (A) 0.2
Vin (max) (V) 6.5 Vin (min) (V) 2.7
Vout (max) (V) 6.4 Vout (min) (V) 1.2
Fixed output options (V) 1.2, 1.5, 1.8, 2.5, 2.7, 3.3 Noise (µVrms) 30
Iq (typ) (mA) 0.04 Thermal resistance θJA (°C/W) 74, 231.4
Rating Automotive Load capacitance (min) (µF) 2
Regulated outputs (#) 1 Features Enable
Accuracy (%) 2 PSRR at 100 KHz (dB) 38
Dropout voltage (Vdo) (typ) (mV) 100 Operating temperature range (°C) -40 to 125

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Warranty, Returns, and Additional Information

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