LT1129IS8-3.3#TRPBF

Product Overview

Category

The LT1129IS8-3.3#TRPBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: The LT1129IS8-3.3#TRPBF provides a regulated output voltage of 3.3V.
• Low dropout: It operates with a low dropout voltage, ensuring efficient power conversion.
• High current capability: This voltage regulator can handle high current loads, making it suitable for various applications.
• Thermal shutdown protection: It incorporates thermal shutdown circuitry to prevent overheating and damage.
• Wide input voltage range: The LT1129IS8-3.3#TRPBF can accept a wide range of input voltages, enhancing its versatility.

Package

This product comes in an S8 package, which is a surface-mount package with eight pins.

Essence

The LT1129IS8-3.3#TRPBF is an essential component in electronic devices that require a stable and regulated power supply.

Packaging/Quantity

The LT1129IS8-3.3#TRPBF is typically packaged in reels or tubes, and the quantity per package varies depending on the manufacturer's specifications.

Specifications

• Output voltage: 3.3V
• Input voltage range: 2.5V to 16V
• Dropout voltage: 300mV at 800mA
• Maximum output current: 800mA
• Line regulation: ±0.02%
• Load regulation: ±0.1%
• Operating temperature range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. BYPASS: Bypass capacitor pin
5. ADJ: Adjustable pin (optional)
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• Voltage regulation: The LT1129IS8-3.3#TRPBF maintains a constant output voltage of 3.3V, regardless of input voltage fluctuations.
• Current limiting: It incorporates current limiting circuitry to protect the device and connected components from excessive current.
• Thermal shutdown: In case of overheating, the thermal shutdown feature activates, preventing damage to the regulator.
• Short-circuit protection: The LT1129IS8-3.3#TRPBF is designed to withstand short-circuit conditions without causing harm.

Advantages and Disadvantages

Advantages

• High current capability allows it to power various electronic components.
• Wide input voltage range makes it compatible with different power sources.
• Low dropout voltage ensures efficient power conversion.
• Thermal shutdown protection prevents overheating and damage.
• Compact S8 package enables easy integration into circuit designs.

Disadvantages

• Limited output voltage options, as it only provides a fixed 3.3V output.
• Requires external capacitors for stability and noise reduction.

Working Principles

The LT1129IS8-3.3#TRPBF operates based on the principle of linear voltage regulation. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage of 3.3V. The device regulates the voltage by controlling the flow of current through a series pass transistor, dissipating excess voltage as heat.

Detailed Application Field Plans

The LT1129IS8-3.3#TRPBF finds applications in various fields, including:

1. Consumer electronics: It is used in portable devices, such as smartphones and tablets, to provide a stable power supply for the internal components.
2. Industrial automation: The voltage regulator ensures consistent power delivery to control systems and sensors in industrial automation applications.
3. Automotive electronics: It is employed in automotive systems to regulate voltage for various components, including infotainment systems and engine control units.
4. Telecommunications: The LT1129IS8-3.3#TRPBF is utilized in telecommunications equipment to maintain a reliable power source for network infrastructure.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and functionality.
2. MCP1700-3302E/TO: Another option offering a fixed 3.3V output voltage.
3. AMS1117-3.3: An alternative voltage regulator with comparable characteristics.

These alternative models can be considered based on specific requirements and availability.

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