IR4312MTRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IR4312MTRPBF is a voltage reference IC that provides a stable and precise output voltage. It is commonly used in various electronic devices where accurate voltage references are required.

Characteristics: - High precision: The IR4312MTRPBF offers excellent accuracy in providing a stable output voltage. - Low temperature coefficient: It exhibits minimal changes in output voltage with temperature variations. - Low power consumption: The IC operates efficiently, consuming minimal power. - Wide operating voltage range: It can operate within a wide range of input voltages. - Small package size: The IC is available in a compact package, making it suitable for space-constrained applications.

Package: The IR4312MTRPBF is typically packaged in a small outline transistor (SOT) package, which ensures easy integration into circuit boards.

Essence: The essence of the IR4312MTRPBF lies in its ability to provide a stable and accurate voltage reference, ensuring reliable performance in electronic devices.

Packaging/Quantity: The IC is usually supplied in reels or tubes, containing a specific quantity per package, depending on the manufacturer's specifications.

Specifications

The following are the key specifications of the IR4312MTRPBF:

• Output Voltage Range: 1.24V
• Input Voltage Range: 2.5V - 36V
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 80µA
• Package Type: SOT-23

Pin Configuration

The IR4312MTRPBF features a three-pin configuration:

1. Reference Input (REF): This pin is connected to an external resistor divider network to set the desired output voltage.
2. Cathode (CATH): The cathode pin is connected to the ground or negative terminal of the power supply.
3. Anode (ANOD): The anode pin provides the stable output voltage.

Functional Features

The IR4312MTRPBF offers the following functional features:

• Voltage Reference: It provides a stable and accurate reference voltage for precise circuit operation.
• Error Amplifier: The IC incorporates an error amplifier that compares the reference voltage with the input voltage, ensuring accurate regulation.
• Low Power Consumption: The IC operates with low power consumption, making it suitable for battery-powered applications.
• Short Circuit Protection: It includes built-in protection against short circuits, preventing damage to the IC and connected components.

Advantages and Disadvantages

Advantages: - High precision and stability in providing a reference voltage. - Wide operating voltage range allows flexibility in various applications. - Compact package size enables easy integration into circuit designs. - Low power consumption ensures energy efficiency.

Disadvantages: - Limited output voltage range may not be suitable for certain specialized applications. - Temperature coefficient may introduce slight variations in the output voltage under extreme temperature conditions.

Working Principles

The IR4312MTRPBF operates based on the principle of comparing the reference voltage with the input voltage. The error amplifier within the IC adjusts the output voltage to match the desired reference voltage set by the external resistor divider network. This feedback mechanism ensures precise regulation of the output voltage.

Detailed Application Field Plans

The IR4312MTRPBF finds application in various electronic devices, including but not limited to: 1. Power supplies 2. Battery chargers 3. Voltage regulators 4. Analog-to-digital converters 5. Sensor circuits

Its stable and accurate voltage reference capability makes it suitable for any application where precise voltage regulation is required.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the IR4312MTRPBF include: - LM4040 - LT1236 - MAX6190

These alternatives can be considered based on specific requirements, availability, and cost considerations.

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