IRU1117-25CP

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

Package: TO-220

Essence: The IRU1117-25CP is a low dropout voltage regulator IC that provides a fixed 2.5V output voltage.

Packaging/Quantity: The IRU1117-25CP is typically sold in reels or tubes, with quantities varying depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Voltage: 2.5V
• Dropout Voltage: 0.6V (typical)
• Output Current: Up to 800mA
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1117-25CP has three pins:

1. Input (VIN): This pin is connected to the input voltage source.
2. Ground (GND): This pin is connected to the ground reference.
3. Output (VOUT): This pin provides the regulated output voltage of 2.5V.

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High output current capability allows for powering a wide range of devices.
• Thermal shutdown protection prevents the IC from overheating.
• Short circuit current limit protects the IC and the connected circuitry from excessive current.
• Fast transient response enables quick stabilization of the output voltage after load changes.

Advantages and Disadvantages

Advantages: - Low dropout voltage results in higher efficiency. - Wide input voltage range allows for versatile applications. - Thermal shutdown protection enhances reliability. - Fast transient response ensures stable output voltage during load variations.

Disadvantages: - Limited output current compared to some other voltage regulators. - Higher quiescent current compared to certain low-power alternatives.

Working Principles

The IRU1117-25CP is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage (2.5V) with the feedback voltage from the output, adjusting the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The IRU1117-25CP can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the IRU1117-25CP include: - LM1117-2.5 - LT1117-2.5 - MCP1702-2.5

These models offer similar functionality and characteristics, providing a fixed 2.5V output voltage with low dropout and high output current capability.

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