IR3088M

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: SOP-8 (Small Outline Package)

Essence: The IR3088M is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IR3088M is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 24V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 3A
• Dropout Voltage: 300mV at 3A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IR3088M has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Ground --| VOUT NC |-- Pin 2: No Connection --| ADJ EN |-- Pin 3: Enable --| FB NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection --| NC NC |-- Pin 6: No Connection --| NC NC |-- Pin 7: No Connection --| NC NC |-- Pin 8: No Connection |___________| ```

Functional Features

1. High Efficiency: The IR3088M offers high efficiency, minimizing power loss during voltage regulation.
2. Low Dropout Voltage: With a low dropout voltage of 300mV at 3A, the IR3088M can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
3. Wide Input Voltage Range: The IC can accept input voltages ranging from 2.5V to 24V, making it suitable for various applications.
4. Adjustable Output Voltage: The output voltage of the IR3088M can be adjusted within the range of 1.25V to 20V, providing flexibility for different device requirements.
5. Current Limit Protection: The IC incorporates current limit protection, preventing excessive current flow and protecting connected devices.
6. Thermal Shutdown Protection: To prevent overheating, the IR3088M includes thermal shutdown protection, which shuts down the regulator if the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Current limit and thermal shutdown protection

Disadvantages: - Limited maximum output current (up to 3A)

Working Principles

The IR3088M operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The IC regulates the output voltage by controlling the current flow between the input and output terminals.

Detailed Application Field Plans

The IR3088M is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Consumer Electronics: Used in smartphones, tablets, portable media players, and other battery-powered devices.
2. Automotive: Integrated into automotive electronics such as infotainment systems, navigation systems, and lighting control modules.
3. Industrial Equipment: Employed in industrial automation systems, motor control units, and power management modules.
4. Telecommunications: Utilized in networking equipment, routers, switches, and communication devices.
5. Renewable Energy: Incorporated into solar power systems, wind turbines, and energy storage systems.

Detailed and Complete Alternative Models

1. LM317: A popular linear voltage regulator with adjustable output voltage and current limit protection.
2. LT1084: Offers low dropout voltage and high output current capability for demanding applications.
3. TPS7A47: A high-performance voltage regulator with ultra-low noise and excellent line regulation.

These alternative models provide similar functionality to the IR3088M and can be considered as alternatives based on specific application requirements.

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