• LT1764AEQ DDPAK-5
LT1764AEQ DDPAK-5

LT1764AEQ

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Overview of LT1764AEQ

The LT1764AEQ is a low dropout linear regulator capable of providing up to 3A of output current with a dropout voltage as low as 340mV. It offers high PSRR and low output noise, making it suitable for noise-sensitive applications where a clean power supply is crucial.

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
  • ADJ: Adjustment Pin for Output Voltage
  • SHDN: Shutdown Pin
  • NC: No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT1764AEQ linear regulator for a visual representation.

Key Features

  • Low Dropout Voltage: The LT1764AEQ offers a low dropout voltage of 340mV, enabling it to maintain regulation even when the input voltage decreases.
  • High Output Current: With a capability of providing up to 3A of output current, this regulator can power demanding loads with ease.
  • High PSRR: The LT1764AEQ features high power supply rejection ratio, suppressing ripple and noise from the input supply effectively.
  • Low Output Noise: This linear regulator produces minimal output noise, making it ideal for noise-sensitive applications.
  • Thermal Shutdown & Current Limit Protection: Built-in protection features ensure safe operation under fault conditions, enhancing system reliability.

Note: For detailed technical specifications, please refer to the LT1764AEQ datasheet.

Application

  • Audio Amplifiers: Suitable for powering audio amplifiers and sensitive audio equipment that require a clean and stable power source.
  • RF Circuits: Ideal for RF circuits where low noise and stable voltage supply are essential for optimal performance.
  • Sensor Systems: Used in sensor systems and precision measurement instruments where stable power is critical for accurate readings.

Functionality

The LT1764AEQ is a high-performance linear regulator that provides a stable and low-noise power supply for a wide range of applications, ensuring reliable operation of sensitive components.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input voltage source within the specified operating range.
  • Output Voltage Adjustment: Use the ADJ pin (Pin 4) to set the desired output voltage within the regulator's capabilities.
  • Shutdown Control: Utilize the SHDN pin (Pin 5) to enable or disable the regulator as needed.

Frequently Asked Questions

Q: What is the dropout voltage of the LT1764AEQ?
A: The LT1764AEQ has a dropout voltage as low as 340mV, allowing it to regulate even when the input voltage is close to the output voltage.

Q: Can the LT1764AEQ handle high-output current loads?
A: Yes, the LT1764AEQ is capable of providing up to 3A of output current, making it suitable for powering a wide range of loads.

Equivalent

For similar functionalities, consider these alternatives to the LT1764AEQ:

  • LM317: A popular adjustable linear regulator with versatile applications and easy circuit implementation.
  • ADP3338: This low dropout linear regulator offers similar performance characteristics to the LT1764AEQ with different package options.

Specifications

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

Product Category LDO Voltage Regulators RoHS No&nbsp-RoHS Version Available
Package / Case DDPAK-5 Output Voltage 1.21 V to 20 V
Output Current 3 A Number of Outputs 1 Output
Polarity Positive Quiescent Current 1 mA
Input Voltage, Min 2.7 V Input Voltage, Max 20 V
PSRR / Ripple Rejection - Typ 63 dB Output Type Adjustable
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Dropout Voltage 340 mV Series LT1764A
Brand Analog Devices Dropout Voltage - Max 660 mV
Height 4.57 mm Ib - Input Bias Current 3 uA
Line Regulation 2 mV Load Regulation 2 mV
Operating Supply Current 1 mA Product Linear Regulators
Product Type LDO Voltage Regulators Subcategory PMIC - Power Management ICs
Type Positive Linear Regulator

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