IRU1010-18CS

Product Overview

Category: Integrated Circuits (ICs)

Use: The IRU1010-18CS is a voltage regulator IC designed for use in various electronic devices. It provides a stable output voltage, making it suitable for applications that require precise voltage regulation.

Characteristics: - Input Voltage Range: 4.5V to 40V - Output Voltage: 1.8V - Maximum Output Current: 1A - Dropout Voltage: 400mV - Package Type: TO-263-5L - Essence: Voltage Regulator IC

Packaging/Quantity: The IRU1010-18CS is available in a TO-263-5L package. Each package contains one IC.

Specifications

The specifications of the IRU1010-18CS are as follows:

• Input Voltage Range: 4.5V to 40V
• Output Voltage: 1.8V
• Output Current: Up to 1A
• Dropout Voltage: 400mV
• Quiescent Current: 120µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263-5L

Pin Configuration

The IRU1010-18CS has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Input Voltage (VIN) --| VOUT NC |-- Pin 2: Output Voltage (VOUT) --| ADJ NC |-- Pin 3: Adjustable Pin (ADJ) --| NC NC |-- Pin 4: Not Connected (NC) --| GND NC |-- Pin 5: Ground (GND) |___________| ```

Functional Features

The IRU1010-18CS offers the following functional features:

1. Voltage Regulation: It provides a stable output voltage of 1.8V, ensuring reliable operation of connected devices.
2. Low Dropout Voltage: With a dropout voltage of only 400mV, it can maintain regulation even when the input voltage is close to the output voltage.
3. Wide Input Voltage Range: The IC can accept input voltages ranging from 4.5V to 40V, making it suitable for various applications.
4. Low Quiescent Current: The quiescent current of 120µA ensures minimal power consumption during standby or idle modes.

Advantages and Disadvantages

Advantages: - Stable and precise voltage regulation - Low dropout voltage - Wide input voltage range - Low quiescent current

Disadvantages: - Limited maximum output current (up to 1A)

Working Principles

The IRU1010-18CS operates based on a linear voltage regulator principle. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.8V. The dropout voltage is minimized by utilizing a low-resistance pass transistor.

Application Field Plans

The IRU1010-18CS can be used in various electronic devices that require stable and precise voltage regulation. Some potential application fields include:

1. Power Supply Units: It can be used in power supply units to regulate the output voltage and ensure reliable operation of connected devices.
2. Battery-Powered Devices: The IC can be employed in battery-powered devices to maintain a stable voltage level as the battery discharges.
3. Embedded Systems: It finds application in embedded systems where a stable voltage is crucial for the proper functioning of microcontrollers, sensors, and other components.

Alternative Models

Here are some alternative models that offer similar functionality:

1. LM1117-1.8: A voltage regulator IC with an output voltage of 1.8V, capable of delivering up to 800mA.
2. LT1086-1.8: Another voltage regulator IC providing a regulated output voltage of 1.8V, with a maximum output current of 1.5A.
3. TS2950-1.8: A low dropout voltage regulator IC with an output voltage of 1.8V and a maximum output current of 150mA.

These alternative models can be considered based on specific requirements and application scenarios.

In conclusion, the IRU1010-18CS is a voltage regulator IC designed for precise voltage regulation in various electronic devices. With its stable output voltage, wide input voltage range, and low dropout voltage, it offers reliable performance. However, its limited maximum output current may restrict its use in high-power applications.