IRU1050-33CP

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Overcurrent protection - Short-circuit protection

Package: TO-220

Essence: The IRU1050-33CP is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1050-33CP is typically packaged in a TO-220 package. It is available in reels or tubes, with a quantity of 50 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage: 3.3V
• Output Current: Up to 5A
• Dropout Voltage: 0.6V @ 1A
• Quiescent Current: 10mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1050-33CP has the following pin configuration:

```

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| | --| Vin GND |-- --| Vout NC |-- |___________| ```

• Vin: Input voltage pin
• GND: Ground pin
• Vout: Output voltage pin
• NC: No connection pin

Functional Features

• Low Dropout Voltage: The IRU1050-33CP exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 5A, this voltage regulator can handle high power requirements.
• Thermal Shutdown Protection: The IC includes built-in thermal shutdown protection, which prevents damage due to excessive temperature.
• Overcurrent Protection: The IRU1050-33CP incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Short-Circuit Protection: In case of a short circuit, the IC automatically shuts down to protect itself and the connected devices.

Advantages and Disadvantages

Advantages: - Stable and regulated output voltage - High output current capability - Built-in protection features - Wide input voltage range - Compact TO-220 package

Disadvantages: - Dropout voltage may cause some power loss - Limited output voltage options (fixed at 3.3V)

Working Principles

The IRU1050-33CP operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry ensures that the output voltage remains constant even when the input voltage or load conditions vary.

Detailed Application Field Plans

The IRU1050-33CP is commonly used in various electronic applications, including: 1. Power supplies for microcontrollers and other digital circuits 2. Battery-powered devices requiring a stable voltage source 3. Automotive electronics, such as car audio systems and navigation units 4. Industrial control systems 5. Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the IRU1050-33CP include: - LM1117-3.3: A popular voltage regulator with similar specifications and features. - LT1086-3.3: Another voltage regulator offering high output current and low dropout voltage. - TPS7A3301: A precision voltage regulator suitable for demanding applications.

These alternative models provide similar functionality and can be considered as substitutes for the IRU1050-33CP depending on specific requirements.

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