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TPS70351PWP

Texas Instruments' TPS70351PWP dual LDO voltage regulator is designed to deliver consistent and efficient power distribution for electronic devices

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Overview of TPS70351PWP

The TPS70351PWP is a low-dropout (LDO) voltage regulator IC that offers high efficiency and low quiescent current. It is designed to provide a stable output voltage with minimal power loss, making it ideal for battery-powered applications.

Pinout

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

  • VIN: Input voltage
  • VOUT: Output voltage
  • GND: Ground connection
  • EN: Enable pin
  • NC: No connection
  • PG: Power good indicator
  • NC: No connection
  • NC: No connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS70351PWP IC for a visual representation.

Key Features

  • Low Dropout Voltage: Provides a stable output even when the input voltage is close to the output voltage.
  • Low Quiescent Current: Consumes minimal current when regulating the output voltage, suitable for battery-powered devices.
  • High Efficiency: Minimizes power loss during voltage regulation, maximizing battery life.
  • Power Good Indicator: Includes a power good output for monitoring the regulator status.
  • Wide Input Voltage Range: Operates from a variety of input voltage sources, enhancing versatility.
  • Compact Package: Available in a space-saving PowerPAD™ package.

Note: For detailed technical specifications, please refer to the TPS70351PWP datasheet.

Application

  • Battery-Powered Devices: Ideal for use in devices powered by batteries or other low-voltage sources.
  • Embedded Systems: Suitable for powering microcontrollers, sensors, and other components in embedded applications.
  • Portable Electronics: Used in portable electronic devices requiring stable voltage supply.

Functionality

The TPS70351PWP is an LDO voltage regulator that ensures stable output voltage with minimal power loss, making it essential for maintaining reliable operation in various electronic devices.

Usage Guide

  • Input Power: Connect VIN (Pin 1) to the input voltage source.
  • Output Voltage: Obtain regulated output voltage from VOUT (Pin 2).
  • Enable Control: Use EN (Pin 4) to enable or disable the regulator.

Frequently Asked Questions

Q: What is the dropout voltage of the TPS70351PWP?
A: The TPS70351PWP has a low dropout voltage, ensuring stable output even when the input voltage is close to the output voltage.

Q: Is the TPS70351PWP suitable for low-power applications?
A: Yes, the TPS70351PWP features low quiescent current, making it suitable for battery-powered and other low-power applications.

Equivalent

For similar functionalities, consider these alternatives to the TPS70351PWP:

  • LD1117-3.3: A low dropout voltage regulator offering stable output with low quiescent current.
  • XC6206P332MR: This LDO regulator provides efficient voltage regulation in a compact package.

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, Dual output, Fixed Output Iout (max) (A) 1
Vin (max) (V) 6 Vin (min) (V) 2.7
Vout (max) (V) 5.5 Vout (min) (V) 1.2
Fixed output options (V) 1.2, 1.5, 1.8, 2.5, 3.3 Noise (µVrms) 78
Iq (typ) (mA) 0.185 Thermal resistance θJA (°C/W) 30.9, 32
Rating Catalog Load capacitance (min) (µF) 22
Regulated outputs (#) 2 Features Enable, Output discharge, Power good, Sequencing and monitoring
Accuracy (%) 2 PSRR at 100 KHz (dB) 22
Dropout voltage (Vdo) (typ) (mV) 160 Operating temperature range (°C) -40 to 125

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