IRU1015-33CM

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: TO-252-3 (DPAK)

Essence: The IRU1015-33CM is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1015-33CM is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage Range: 1.25V - 12V
• Output Current: Up to 1.5A
• Dropout Voltage: 300mV @ 1A
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1015-33CM has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: Ground --| VOUT NC |-- Pin 2: No Connection --| ADJ EN |-- Pin 3: Enable |___________| ```

Functional Features

• High Efficiency: The IRU1015-33CM utilizes advanced circuitry to achieve high efficiency, minimizing power dissipation.
• Low Dropout Voltage: With a low dropout voltage of only 300mV at 1A load, the IC can maintain a stable output even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor, allowing flexibility in various applications.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current flow, preventing damage to the device and connected components.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, protecting the IC from overheating.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Low dropout voltage ensures stable output even with low input voltage. - Adjustable output voltage provides versatility for different applications. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - Limited output current capacity (up to 1.5A). - Requires an external resistor for adjusting the output voltage.

Working Principles

The IRU1015-33CM operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from the output. The internal circuitry adjusts the pass transistor to maintain a constant output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The IRU1015-33CM is widely used in various electronic devices and systems that require a stable and regulated power supply. Some common application fields include:

1. Consumer Electronics: Used in televisions, audio systems, gaming consoles, and other consumer electronic devices.
2. Computers and Peripherals: Employed in desktop computers, laptops, printers, and other computer peripherals.
3. Industrial Automation: Utilized in industrial control systems, motor drives, and power supplies.
4. Automotive Electronics: Integrated into automotive electronics such as infotainment systems, lighting controls, and engine management systems.
5. Telecommunications: Found in telecommunications equipment like routers, switches, and base stations.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator IC with similar characteristics and pin configuration.
2. LT1084: A high-current, low dropout voltage regulator suitable for demanding applications.
3. LM7805: A fixed 5V voltage regulator commonly used in various electronic devices.

These alternative models offer similar functionality and can be considered as substitutes for the IRU1015-33CM depending on specific requirements.

Word count: 519 words