IRU1207-33CS

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short-circuit current limiting - Wide input voltage range

Package: TO-263-5L (D2PAK)

Essence: The IRU1207-33CS is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: The IRU1207-33CS is typically sold in reels or tubes, with 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.75V - 18V
• Output Voltage: 3.3V
• Output Current: Up to 7A
• Dropout Voltage: 0.45V @ 3A
• Quiescent Current: 10mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1207-33CS has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. NC: No connection pin
4. VOUT: Output voltage pin
5. EN: Enable pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output current capability allows it to power a wide range of devices.
• Thermal shutdown protection prevents overheating and damage to the IC.
• Short-circuit current limiting protects against excessive current flow.
• Wide input voltage range makes it suitable for various applications.

Advantages and Disadvantages

Advantages: - Stable output voltage - High output current capability - Thermal protection - Short-circuit protection - Wide input voltage range

Disadvantages: - Relatively high quiescent current - Limited output voltage options

Working Principles

The IRU1207-33CS operates as a linear voltage regulator. It regulates the input voltage to a stable 3.3V output by using an internal reference voltage and feedback control mechanism. The IC adjusts the output voltage based on the difference between the reference voltage and the feedback voltage.

Detailed Application Field Plans

The IRU1207-33CS is commonly used in various electronic devices that require a stable 3.3V power supply. Some typical application fields include:

1. Consumer Electronics: Used in smartphones, tablets, and portable media players.
2. Computer Systems: Powering motherboards, graphics cards, and other components.
3. Industrial Equipment: Providing regulated power for control systems and sensors.
4. Automotive Electronics: Used in vehicle infotainment systems, navigation units, and lighting controls.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package type.
2. LT1086-3.3: Offers adjustable output voltage and higher output current capability.
3. TPS7A3301: Provides ultra-low dropout voltage and low quiescent current.

These alternative models can be considered based on specific requirements and compatibility with the application.

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