IRU1117-33CS

Product Overview

Category

The IRU1117-33CS belongs to the category of voltage regulators.

Use

It is primarily used to regulate voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output current capability
• Thermal shutdown protection
• Short circuit current limit
• Fast transient response

Package

The IRU1117-33CS comes in a small surface-mount package.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

The IRU1117-33CS is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 4.75V to 18V
• Output Voltage: 3.3V
• Output Current: Up to 800mA
• Dropout Voltage: 1.2V (maximum)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1117-33CS has three pins:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output current capability allows for powering a wide range of devices.
• Thermal shutdown protection prevents overheating and damage to the regulator.
• Short circuit current limit protects against excessive current flow.
• Fast transient response enables quick adjustment to load changes.

Advantages and Disadvantages

Advantages

• Compact size and surface-mount package make it suitable for space-constrained applications.
• Wide input voltage range allows for flexibility in different power supply configurations.
• Excellent thermal management ensures reliable operation even in demanding environments.

Disadvantages

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

Working Principles

The IRU1117-33CS operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the current flow through it. The regulator compares the output voltage to a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The IRU1117-33CS finds applications in various electronic devices, including but not limited to: - Power supplies - Battery-powered devices - Embedded systems - Consumer electronics - Industrial equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the IRU1117-33CS are: - LM1117-3.3 - LT1117-3.3 - MCP1702-3302E/TO

These models offer similar functionality and specifications, providing options for different design requirements.

In conclusion, the IRU1117-33CS is a voltage regulator that offers stable and regulated output voltage for a wide range of electronic applications. Its compact size, thermal protection, and fast transient response make it a reliable choice for various industries. However, designers should consider its limitations in terms of output current and dropout voltage when selecting this regulator for specific applications.