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TPS78330DDCT

Ultralow current consumption LDO linear regulator with 500nA IQ, 150mA output

Inventory:9,276

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Overview of TPS78330DDCT

The TPS78330DDCT is a low-dropout (LDO) voltage regulator IC with a fixed output of 3.3V and a maximum dropout voltage of 380mV at 1A. It is designed to provide a stable and reliable power supply for various electronic devices and applications.

Pinout

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

  • OUT: Output voltage
  • IN: Input voltage
  • EN: Enable pin
  • GND: Ground
  • NC: No connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS78330DDCT IC for a visual representation.

Key Features

  • Low-Dropout Voltage Regulator: Provides a stable 3.3V output with low dropout voltage.
  • High Output Current: Supports up to 1A output current for powering various loads.
  • Enable Function: Includes an enable pin for controlling the regulator's operation.
  • Thermal Shutdown Protection: Offers thermal shutdown protection to prevent overheating.
  • Fixed Output Voltage: Fixed 3.3V output suitable for many applications.
  • Compact Package: Available in a small SOT-223 package for space-constrained designs.

Note: For detailed technical specifications, please refer to the TPS78330DDCT datasheet.

Application

  • Embedded Systems: Ideal for providing power to microcontrollers and other components in embedded systems.
  • Consumer Electronics: Suitable for use in various consumer electronic devices requiring a stable 3.3V supply.
  • Industrial Applications: Used in industrial equipment and machinery for reliable voltage regulation.

Functionality

The TPS78330DDCT is a low-dropout voltage regulator that maintains a constant 3.3V output voltage, making it suitable for powering a wide range of electronic devices with efficiency and stability.

Usage Guide

  • Input Voltage: Connect the IN pin to the input voltage source.
  • Output Voltage: Obtain the regulated 3.3V output from the OUT pin.
  • Enable Control: Use the EN pin to enable or disable the regulator as needed.

Frequently Asked Questions

Q: What is the dropout voltage of the TPS78330DDCT?
A: The TPS78330DDCT has a maximum dropout voltage of 380mV at 1A load current.

Q: Does the TPS78330DDCT have thermal protection?
A: Yes, the TPS78330DDCT features thermal shutdown protection to prevent overheating and ensure safe operation.

Equivalent

For similar functionalities, consider these alternatives to the TPS78330DDCT:

  • LM1117-3.3: A 3.3V low-dropout voltage regulator with comparable performance to the TPS78330DDCT.
  • LT1763-3.3: This regulator IC from Analog Devices offers a fixed 3.3V output with low dropout voltage.

Specifications

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

Output options Fixed Output Iout (max) (A) 0.15
Vin (max) (V) 5.5 Vin (min) (V) 2.2
Vout (max) (V) 4.2 Vout (min) (V) 1.8
Fixed output options (V) 1.8, 1.9, 2.6, 3, 4.2 Noise (µVrms) 86
Iq (typ) (mA) 0.0005 Thermal resistance θJA (°C/W) 193
Rating Catalog Load capacitance (min) (µF) 1
Regulated outputs (#) 1 Features Enable
Accuracy (%) 3 PSRR at 100 KHz (dB) 13
Dropout voltage (Vdo) (typ) (mV) 130 Operating temperature range (°C) -40 to 105

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Warranty, Returns, and Additional Information

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    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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