IRU1175CPTR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The IRU1175CPTR is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1175CPTR is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 2.7V - 6.5V
• Output Voltage Range: 1.2V - 5.5V
• Dropout Voltage: 200mV at 500mA
• Maximum Output Current: 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IRU1175CPTR has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for adjusting the output voltage
4. VOUT: Output voltage pin
5. EN: Enable pin for turning the regulator on/off
6. NC: No connection pin
7. NC: No connection pin
8. VIN: Input voltage pin

Functional Features

• High Efficiency: The IRU1175CPTR utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
• Low Dropout Voltage: The regulator maintains a low dropout voltage, ensuring stable output even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The feedback pin allows users to adjust the output voltage according to their specific requirements.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard the connected devices from excessive current flow.
• Thermal Shutdown Protection: In case of excessive heat, the regulator automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Adjustable output voltage provides flexibility for various applications. - Overcurrent and thermal shutdown protection enhance device safety.

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - Requires external components for proper operation.

Working Principles

The IRU1175CPTR operates as a linear voltage regulator. It takes an input voltage and regulates it to a desired output voltage using internal circuitry. The feedback pin allows users to adjust the output voltage by providing a reference voltage. The regulator continuously monitors the output voltage and adjusts its internal components to maintain a stable output despite changes in the input voltage or load conditions.

Detailed Application Field Plans

The IRU1175CPTR is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Computer Peripherals: USB hubs, external hard drives, printers.
3. Consumer Electronics: Digital cameras, gaming consoles, audio/video equipment.
4. Automotive Electronics: Infotainment systems, navigation devices, dashboard displays.
5. Industrial Equipment: Test and measurement instruments, control systems, power supplies.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with similar features.
2. LT1086: Low dropout voltage regulator with higher maximum output current.
3. LM7805: Fixed output voltage regulator with a maximum output current of 1A.
4. TPS7A4700: Ultra-low noise voltage regulator suitable for sensitive audio applications.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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