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LT1129CQ

LDO Regulator Pos 3.8V to 30V 0.7A 6-Pin(5+Tab) DDPAK

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Overview of LT1129CQ

The LT1129CQ is a low dropout positive fixed regulator IC designed to provide a regulated output voltage with minimal voltage drop. This IC is ideal for applications where a stable voltage supply is required despite input voltage variations.

Pinout

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

  • VIN: Input Voltage
  • GND: Ground
  • VOUT: Regulated Output Voltage
  • NC: No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT1129CQ for a visual representation.

Key Features

  • Low Dropout Voltage: The LT1129CQ offers a low dropout voltage, ensuring regulation even with small voltage differentials between input and output.
  • High Output Accuracy: This IC provides high output voltage accuracy, making it suitable for precision voltage applications.
  • Thermal Shutdown Protection: Includes thermal shutdown protection to prevent the IC from overheating under high load conditions.
  • Short Circuit Protection: Features short circuit protection to safeguard the IC and connected components from damage in case of a short circuit.
  • Wide Operating Temperature Range: Operates effectively across a wide temperature range, suitable for diverse environmental conditions.

Note: For detailed technical specifications, please refer to the LT1129CQ datasheet.

Application

  • Power Supply Regulation: Ideal for power supply regulation in various electronic devices and systems.
  • Battery-Powered Devices: Suitable for use in battery-powered devices requiring a stable voltage supply.
  • Embedded Systems: Commonly used in embedded systems and microcontroller-based applications for voltage regulation.

Functionality

The LT1129CQ is a low dropout voltage regulator that ensures a stable output voltage even with minimal input voltage fluctuations. It is a reliable solution for maintaining voltage stability in electronic circuits.

Usage Guide

  • Input Voltage: Connect the VIN pin to the input voltage source.
  • Ground: Connect the GND pin to the ground reference of the system.
  • Output Voltage: Obtain the regulated output voltage from the VOUT pin.

Frequently Asked Questions

Q: What is the maximum input voltage the LT1129CQ can handle?
A: The LT1129CQ can typically handle input voltages up to the specified maximum limit mentioned in the datasheet.

Q: Does the LT1129CQ require external components for operation?
A: The LT1129CQ may require additional external components for proper operation, depending on the application requirements.

Equivalent

For similar functionalities, consider these alternatives to the LT1129CQ:

  • LM1117: A low dropout voltage regulator with comparable features to the LT1129CQ, suitable for various voltage regulation applications.
  • ADP3338: This is a high accuracy low dropout voltage regulator offering similar performance characteristics to the LT1129CQ.

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 3.8 V to 30 V
Output Current 700 mA Number of Outputs 1 Output
Polarity Positive Quiescent Current 50 uA
Input Voltage, Min 4.15 V Input Voltage, Max 30 V
PSRR / Ripple Rejection - Typ 64 dB Output Type Adjustable
Minimum Operating Temperature 0 C Maximum Operating Temperature + 125 C
Dropout Voltage 130 mV Series LT1129
Brand Analog Devices Dropout Voltage - Max 700 mV
Height 4.57 mm Ib - Input Bias Current 300 nA
Line Regulation 1.5 mV Load Regulation 15 mV
Operating Supply Current 50 uA Product Linear Regulators
Product Type LDO Voltage Regulators Subcategory PMIC - Power Management ICs
Type Micropower Low Dropout Regulator

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