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TPS73601DCQR

LDO Regulator Pos 1.2V to 5.5V 0.4A 6-Pin(5+Tab) SOT-223 T/R

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Overview of TPS73601DCQR

The TPS73601DCQR is a low-dropout (LDO) voltage regulator IC that offers a fixed output voltage of 3.3V and a maximum output current of 400mA. It is designed for applications requiring a stable and efficient power supply voltage with minimal dropout voltage, making it ideal for powering sensitive electronic components.

Pinout

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

  • VOUT: Output voltage
  • GND: Ground connection
  • VIN: Input voltage
  • NR/SS: Noise reduction/synchronization pin
  • BYPASS: Bypass capacitor connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS73601DCQR IC for a visual representation.

Key Features

  • Low-Dropout Voltage Regulator: The TPS73601DCQR provides a stable output voltage of 3.3V with minimal dropout voltage, ensuring reliable operation in various applications.
  • High Output Current: With a maximum output current of 400mA, this IC can power a wide range of electronic components.
  • Low Noise and Low Quiescent Current: Features low noise and low quiescent current for improved efficiency and performance.
  • Short-Circuit and Thermal Protection: Includes short-circuit and thermal protection mechanisms to safeguard the IC and connected components.
  • Small Package: Available in a compact 5-pin SOT-23 package for space-constrained designs.

Note: For detailed technical specifications, please refer to the TPS73601DCQR datasheet.

Application

  • Embedded Systems: Suitable for powering microcontrollers, sensors, and other components in embedded systems.
  • Portable Devices: Ideal for use in battery-powered devices, providing a stable voltage supply for efficient operation.
  • Signal Conditioning: Can be used in signal conditioning circuits requiring a precise and stable power source.

Functionality

The TPS73601DCQR LDO voltage regulator provides a regulated 3.3V output voltage to power electronic circuits with minimal dropout voltage. It ensures stable and reliable operation in various applications.

Usage Guide

  • Output Voltage: Connect VOUT (Pin 1) to the load requiring a 3.3V supply.
  • Input Voltage: Provide the input voltage (VIN) to the IC for regulation. Ensure proper input voltage within the specified range.
  • Decoupling Capacitor: Connect a bypass capacitor to the BYPASS pin for noise reduction and stability.

Frequently Asked Questions

Q: Can the TPS73601DCQR handle input voltages higher than 5V?
A: The TPS73601DCQR is designed for operation with input voltages up to 6.5V. Ensure to stay within this limit to prevent damage to the IC and associated components.

Q: Is the TPS73601DCQR suitable for low-power applications?
A: Yes, the TPS73601DCQR features low quiescent current and is suitable for low-power applications where energy efficiency is essential.

Equivalent

For similar functionalities, consider these alternatives to the TPS73601DCQR:

  • LM3940: A 3.3V low-dropout voltage regulator with similar performance specifications.
  • ADP3338: This LDO regulator offers a fixed 3.3V output with enhanced current capability for demanding applications.

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) 0.4
Vin (max) (V) 5.5 Vin (min) (V) 1.7
Vout (max) (V) 5.4 Vout (min) (V) 1.2
Fixed output options (V) 1.2, 1.25, 1.5, 1.6, 1.8, 1.9, 2.5, 3, 3.2, 3.3, 4.3 Noise (µVrms) 30
Iq (typ) (mA) 0.4 Thermal resistance θJA (°C/W) 53, 57.8
Rating Catalog Load capacitance (min) (µF) 0
Regulated outputs (#) 1 Features Enable, Foldback Overcurrent protection, Reverse Current Protection
Accuracy (%) 1 PSRR at 100 KHz (dB) 32
Dropout voltage (Vdo) (typ) (mV) 75 Operating temperature range (°C) -40 to 125

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