LT1121CS8#TRPBF

Product Overview

Category

LT1121CS8#TRPBF belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output current capability
• Adjustable output voltage
• Thermal shutdown protection
• Short-circuit current limit

Package

LT1121CS8#TRPBF comes in an 8-pin surface mount package.

Essence

The essence of LT1121CS8#TRPBF is to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage Range: 1.22V to 18V
• Dropout Voltage: 300mV at 800mA
• Output Current: Up to 800mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

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

Functional Features

• Low dropout voltage allows operation with small input-output differentials.
• High output current capability enables it to power a wide range of electronic components.
• Adjustable output voltage provides flexibility in meeting specific voltage requirements.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the regulator and connected devices from excessive current.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient power conversion.
• High output current capability allows for versatile applications.
• Adjustable output voltage provides customization options.
• Thermal shutdown protection enhances reliability.
• Short-circuit current limit protects against overcurrent situations.

Disadvantages

• Limited input voltage range (2.5V to 20V).
• Quiescent current of 75µA may be relatively high for low-power applications.

Working Principles

LT1121CS8#TRPBF operates based on the principle of linear voltage regulation. It uses a pass transistor and feedback mechanism to maintain a stable output voltage despite variations in input voltage and load conditions. The adjustable output voltage is set using an external resistor connected to the ADJ pin.

Detailed Application Field Plans

LT1121CS8#TRPBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication devices - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LT1121CS8#TRPBF include: - LM1117-3.3 - MCP1700-3302E/TO - MAX603CPA - TPS79333DBVR

These alternatives can be considered based on specific requirements and availability.

Word count: 335 words