LT1129IT-5#PBF

Product Overview

The LT1129IT-5#PBF is a voltage regulator belonging to the category of integrated circuits. It is commonly used to regulate voltage in electronic devices, providing a stable output voltage despite fluctuations in input voltage or load conditions. The LT1129IT-5#PBF is known for its high precision, low dropout voltage, and low quiescent current, making it suitable for various applications. This device is typically available in a small surface-mount package, offering ease of integration into electronic designs.

Basic Information

• Category: Integrated Circuits
• Use: Voltage Regulation
• Characteristics: High precision, low dropout voltage, low quiescent current
• Package: Surface-mount
• Essence: Stable voltage regulation
• Packaging/Quantity: Typically supplied in reels or tubes

Specifications

• Input Voltage Range: 2.5V to 15V
• Output Voltage: 5V
• Maximum Output Current: 0.8A
• Dropout Voltage: 300mV at 0.8A
• Quiescent Current: 75μA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1129IT-5#PBF features a standard three-pin configuration: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground reference. 3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• High Precision: Provides accurate and stable output voltage.
• Low Dropout Voltage: Maintains regulation even with small input-output differentials.
• Low Quiescent Current: Minimizes power consumption in standby or idle modes.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Suitable for low-power applications
• Small form factor for space-constrained designs

Disadvantages

• Limited maximum output current
• May require additional heat sinking for high-power applications

Working Principles

The LT1129IT-5#PBF utilizes a feedback control mechanism to maintain a constant output voltage. When the input voltage or load changes, the internal circuitry adjusts to ensure the specified output voltage is maintained. This makes it ideal for powering sensitive electronic components that require a stable power supply.

Detailed Application Field Plans

The LT1129IT-5#PBF finds application in various fields, including: - Portable electronic devices - Battery-powered systems - Sensor modules - Embedded systems - IoT devices

Detailed and Complete Alternative Models

Several alternative models to the LT1129IT-5#PBF include: - LM317: A versatile adjustable voltage regulator - L78xx Series: Fixed output voltage regulators with higher current capabilities - MCP1700: Low quiescent current LDO regulator for battery-powered applications

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