LT1763IS8-1.8#TRPBF

Product Overview

Category

The LT1763IS8-1.8#TRPBF belongs to the category of low dropout voltage regulators.

Use

It is commonly used in electronic circuits to regulate and stabilize the output voltage, ensuring a constant voltage supply to other components.

Characteristics

• Low dropout voltage: The LT1763IS8-1.8#TRPBF has a very low dropout voltage, allowing it to operate even when the input voltage is close to the desired output voltage.
• High accuracy: It provides precise voltage regulation, minimizing voltage fluctuations and ensuring stable performance of connected devices.
• Low noise: The regulator produces minimal electrical noise, making it suitable for applications where noise interference needs to be minimized.
• Thermal shutdown protection: It incorporates thermal shutdown circuitry to prevent damage due to excessive heat.

Package

The LT1763IS8-1.8#TRPBF comes in an 8-pin surface mount package (S8) with an exposed pad for enhanced thermal dissipation.

Essence

The essence of the LT1763IS8-1.8#TRPBF is to provide reliable and stable voltage regulation in various electronic systems.

Packaging/Quantity

The LT1763IS8-1.8#TRPBF is typically available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage: 1.8V
• Dropout Voltage: 300mV at 1A Load Current
• Maximum Output Current: 1.5A
• Line Regulation: ±0.02%
• Load Regulation: ±0.04%
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1763IS8-1.8#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. ADJ: Output voltage adjustment pin
4. NC: No connection
5. NC: No connection
6. NC: No connection
7. VOUT: Output voltage pin
8. NC: No connection

Functional Features

• Voltage Regulation: The LT1763IS8-1.8#TRPBF maintains a constant output voltage of 1.8V, regardless of variations in input voltage or load conditions.
• Current Limiting: It incorporates current limiting circuitry to protect connected devices from excessive current flow.
• Thermal Protection: The regulator includes thermal shutdown protection, preventing damage due to overheating.
• Short Circuit Protection: It features short circuit protection, safeguarding the regulator and connected components from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Low dropout voltage allows operation with low input-output voltage differentials.
• High accuracy ensures stable and precise voltage regulation.
• Low noise output is ideal for noise-sensitive applications.
• Thermal shutdown protection prevents damage from excessive heat.
• Compact surface mount package facilitates easy integration into electronic circuits.

Disadvantages

• Limited maximum output current of 1.5A may not be sufficient for high-power applications.
• Requires external capacitors for stability, adding additional components to the circuit.

Working Principles

The LT1763IS8-1.8#TRPBF operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the output voltage with a reference voltage, the regulator adjusts the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The LT1763IS8-1.8#TRPBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LT1763IS8-1.8#TRPBF include: - LM1117-1.8: Low dropout voltage regulator with similar specifications. - ADP3339-1.8: High accuracy, low dropout voltage regulator. - TPS79618: Ultra-low noise, high PSRR voltage regulator.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements and availability.

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