LT1118CS8-5#PBF

Product Overview

Category

The LT1118CS8-5#PBF belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output current capability
• Adjustable output voltage
• Low quiescent current
• Thermal shutdown protection

Package

The LT1118CS8-5#PBF comes in an 8-pin surface mount package.

Essence

This product is essential for maintaining a stable and regulated voltage supply in various electronic applications.

Packaging/Quantity

The LT1118CS8-5#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 20V
• Output Voltage Range: 1.25V to 19.5V
• Dropout Voltage: 300mV at 800mA
• Quiescent Current: 75µA
• Output Current: Up to 800mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1118CS8-5#PBF has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. ADJ (Adjustment)
4. NC (No Connection)
5. NC (No Connection)
6. VOUT (Output Voltage)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output current capability allows for powering a wide range of electronic components.
• Adjustable output voltage provides flexibility in meeting specific voltage requirements.
• Low quiescent current minimizes power consumption when the regulator is in standby mode.
• Thermal shutdown protection prevents damage to the device due to excessive heat.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Wide input voltage range
• Adjustable output voltage
• High output current capability
• Low quiescent current

Disadvantages

• Limited number of available pins for additional functionalities
• Sensitive to excessive heat

Working Principles

The LT1118CS8-5#PBF 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 feedback mechanism ensures that the output voltage remains stable, even with variations in the input voltage or load conditions.

Detailed Application Field Plans

The LT1118CS8-5#PBF finds applications in various electronic devices and systems, including but not limited to: - Power supplies - Battery-powered devices - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

1. LM1117-5.0: Similar voltage regulator with fixed 5V output.
2. LT1763-3.3: Low dropout voltage regulator with fixed 3.3V output.
3. ADP3339AKCZ-5: Adjustable output voltage regulator with high output current capability.

These alternative models offer similar functionality and can be considered as substitutes for the LT1118CS8-5#PBF depending on specific requirements.

In conclusion, the LT1118CS8-5#PBF is a versatile voltage regulator with excellent performance characteristics. Its adjustable output voltage, high output current capability, and low dropout voltage make it suitable for a wide range of electronic applications. However, its limited pin count and sensitivity to heat should be taken into consideration during design and implementation.