LT1118CST-2.5#TRPBF

Product Overview

Category

The LT1118CST-2.5#TRPBF belongs to the category of low dropout (LDO) linear voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels, ensuring a steady power supply to sensitive components.

Characteristics

• Low dropout voltage: The LT1118CST-2.5#TRPBF has a very low dropout voltage, allowing it to operate even when the input voltage is only slightly higher than the desired output voltage.
• High accuracy: This voltage regulator provides precise and stable output voltage, minimizing fluctuations and ensuring reliable performance.
• Low noise: The LT1118CST-2.5#TRPBF produces minimal electrical noise, making it suitable for applications where noise interference needs to be minimized.
• Current limiting and thermal shutdown protection: It incorporates built-in features to protect against excessive current and overheating, enhancing its reliability and safety.

Package

The LT1118CST-2.5#TRPBF comes in a small surface-mount package, making it suitable for compact circuit designs.

Essence

The essence of the LT1118CST-2.5#TRPBF lies in its ability to provide a stable and regulated output voltage, ensuring proper functioning of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Output Voltage: 2.5V
• Dropout Voltage: 300mV at 800mA
• Maximum Input Voltage: 20V
• Line Regulation: ±0.02%
• Load Regulation: ±0.04%
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1118CST-2.5#TRPBF has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low dropout voltage allows operation with small input-output voltage differentials.
• Excellent line and load regulation ensure stable output voltage under varying conditions.
• Current limiting and thermal shutdown protection safeguard the regulator and connected components from damage.
• Low quiescent current minimizes power consumption in standby or low-load situations.

Advantages and Disadvantages

Advantages

• High accuracy and stability in regulating output voltage.
• Low noise output, suitable for noise-sensitive applications.
• Compact surface-mount package for space-constrained designs.
• Built-in protection features enhance reliability and safety.

Disadvantages

• Limited maximum input voltage of 20V.
• Dropout voltage may be higher compared to other LDO regulators.
• Higher cost compared to standard linear voltage regulators.

Working Principles

The LT1118CST-2.5#TRPBF operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal circuitry compares the output voltage to a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The LT1118CST-2.5#TRPBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices requiring stable voltage supply. - Portable audio/video players. - Communication equipment. - Industrial control systems. - Automotive electronics. - Medical devices.

Detailed and Complete Alternative Models

• LT1763: A low dropout linear voltage regulator with adjustable output voltage and low quiescent current.
• LM1117: A popular LDO regulator series with various fixed output voltage options and high accuracy.
• ADP333x: High-performance LDO regulators with low dropout voltage and excellent line/load regulation.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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