IRU1117-33CPTR

Product Overview

Category

The IRU1117-33CPTR 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
• Thermal shutdown protection
• Short circuit current limit
• Fast transient response

Package

The IRU1117-33CPTR comes in a compact TO-252 package.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage, even when the input voltage fluctuates.

Packaging/Quantity

The IRU1117-33CPTR is typically packaged in reels and is available in quantities of 2500 units per reel.

Specifications

• Input Voltage Range: 4.75V to 18V
• Output Voltage: 3.3V
• Output Current: Up to 800mA
• Dropout Voltage: 1.2V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1117-33CPTR has three pins:

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

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• High output current capability allows it to power a wide range of electronic devices.
• Thermal shutdown protection prevents overheating and damage to the regulator.
• Short circuit current limit protects the regulator and connected components from excessive current.
• Fast transient response enables quick and accurate voltage regulation during load changes.

Advantages and Disadvantages

Advantages

• Compact size and easy to integrate into electronic circuits.
• Wide input voltage range allows for versatile applications.
• Excellent line and load regulation ensures stable output voltage.
• Thermal shutdown protection enhances reliability.

Disadvantages

• Limited output current compared to some other voltage regulators.
• Dropout voltage may not be suitable for applications with very low input voltages.

Working Principles

The IRU1117-33CPTR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The IRU1117-33CPTR finds applications in various electronic devices and systems, including: - Power supplies - Battery-powered devices - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1117-3.3: Another alternative with enhanced features such as lower dropout voltage and higher output current.
3. MCP1703-3302E/DB: An alternative with comparable performance and a different package option.

These alternative models can be considered based on specific requirements and availability.

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