IRU1117-25CPTR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limit - Fast transient response - Adjustable output voltage

Package: TO-252-3 (DPAK)

Essence: The IRU1117-25CPTR is a low dropout voltage regulator designed to provide a regulated output voltage even when the input voltage is very close to the desired output voltage.

Packaging/Quantity: The IRU1117-25CPTR is available in tape and reel packaging, with 2,500 units per reel.

Specifications

Input Voltage Range: 2.5V to 18V
Output Voltage Range: 1.2V to 16V
Dropout Voltage: 0.6V typical at 800mA
Output Current: Up to 800mA
Line Regulation: ±0.2% typical
Load Regulation: ±0.4% typical
Quiescent Current: 120µA typical
Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1117-25CPTR has three pins:

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

Functional Features

Low dropout voltage allows operation with very small voltage differentials between input and output.
High output current capability enables the regulator to power a wide range of loads.
Thermal shutdown protection prevents the IC from overheating under excessive operating conditions.
Short circuit current limit protects the regulator and load from excessive current.
Fast transient response ensures stability and quick recovery from load changes.
Adjustable output voltage allows flexibility in setting the desired output voltage level.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient operation even with low input-output differentials. - High output current capability makes it suitable for powering various loads. - Thermal shutdown protection ensures safe operation under extreme conditions. - Fast transient response provides stability and reliable performance. - Adjustable output voltage offers versatility in different applications.

Disadvantages: - Limited maximum output current compared to some other voltage regulators. - Requires external components for proper operation, such as input and output capacitors.

Working Principles

The IRU1117-25CPTR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized through the use of a PNP pass transistor.

Detailed Application Field Plans

The IRU1117-25CPTR can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. Automotive systems 4. Industrial equipment 5. Communication devices

Detailed and Complete Alternative Models

Some alternative models to the IRU1117-25CPTR include: 1. LM1117-2.5 2. LT1117-2.5 3. MCP1702-2.5 4. TPS78225

These alternatives offer similar functionality and characteristics, providing options for different design requirements.

Word count: 342 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRU1117-25CPTR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of IRU1117-25CPTR in technical solutions:

Q: What is the IRU1117-25CPTR? A: The IRU1117-25CPTR is a low dropout (LDO) voltage regulator IC that provides a fixed output voltage of 2.5V.
Q: What is the input voltage range for the IRU1117-25CPTR? A: The input voltage range for the IRU1117-25CPTR is typically between 2.7V and 20V.
Q: What is the maximum output current of the IRU1117-25CPTR? A: The IRU1117-25CPTR can provide a maximum output current of 800mA.
Q: Can the IRU1117-25CPTR be used in battery-powered applications? A: Yes, the IRU1117-25CPTR can be used in battery-powered applications as it has a low dropout voltage and operates efficiently with low input voltages.
Q: Does the IRU1117-25CPTR require any external components for operation? A: Yes, the IRU1117-25CPTR requires an input capacitor and an output capacitor for stable operation. The values of these capacitors are specified in the datasheet.
Q: Is the IRU1117-25CPTR suitable for use in automotive applications? A: Yes, the IRU1117-25CPTR is designed to meet the requirements of automotive applications and can operate within the specified temperature range.
Q: Can the IRU1117-25CPTR handle short-circuit conditions? A: Yes, the IRU1117-25CPTR has built-in protection features such as current limiting and thermal shutdown to handle short-circuit conditions.
Q: What is the dropout voltage of the IRU1117-25CPTR? A: The dropout voltage of the IRU1117-25CPTR is typically around 0.6V at a load current of 800mA.
Q: Can the IRU1117-25CPTR be used in adjustable voltage applications? A: No, the IRU1117-25CPTR provides a fixed output voltage of 2.5V and cannot be adjusted.
Q: Is the IRU1117-25CPTR available in different package options? A: Yes, the IRU1117-25CPTR is available in various package options such as TO-252, TO-263, and DPAK, allowing flexibility in board layout and mounting options.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.