LM236DT

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low dropout voltage - High accuracy - Low temperature coefficient - Wide operating range - Adjustable output voltage - Low quiescent current

Package: TO-220

Essence: The LM236DT is a precision voltage reference IC that provides a stable and accurate voltage output. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LM236DT is available in a TO-220 package, which is a widely used package type for power semiconductors. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage Range: 1.24V to 37V
• Dropout Voltage: 0.6V at 10mA
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 0.5mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM236DT has three pins:

1. VOUT: Output voltage pin.
2. VIN: Input voltage pin.
3. GND: Ground pin.

Functional Features

• Adjustable Output Voltage: The LM236DT allows the user to adjust the output voltage within a specified range, providing flexibility in various applications.
• Low Dropout Voltage: The low dropout voltage ensures that the IC can regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Accuracy: The LM236DT offers high accuracy in voltage regulation, making it suitable for precision applications.
• Low Temperature Coefficient: With a low temperature coefficient, the LM236DT maintains its accuracy over a wide temperature range.
• Low Quiescent Current: The IC consumes low quiescent current, minimizing power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages: - Precise voltage regulation - Wide operating temperature range - Adjustable output voltage - Low dropout voltage - Low quiescent current

Disadvantages: - Limited output current capability - Requires external components for proper operation

Working Principles

The LM236DT is based on a bandgap reference circuit that generates a stable voltage reference. It utilizes a combination of bipolar and CMOS technologies to achieve high accuracy and low temperature coefficient. The internal circuitry compares the reference voltage with the input voltage and adjusts the output voltage accordingly.

Detailed Application Field Plans

The LM236DT finds applications in various fields, including:

1. Precision Instrumentation: It is used as a voltage reference in precision measuring instruments such as multimeters, oscilloscopes, and data acquisition systems.
2. Power Supply Regulation: The LM236DT ensures stable and accurate voltage regulation in power supply circuits, preventing fluctuations and ensuring reliable operation of electronic devices.
3. Analog-to-Digital Conversion: It is employed in analog-to-digital converters (ADCs) to provide a precise reference voltage for accurate conversion of analog signals into digital data.
4. Temperature Sensors: The LM236DT can be used as a reference voltage source in temperature sensor circuits, enabling accurate temperature measurements.

Detailed and Complete Alternative Models

1. LM336-2.5: A 2.5V precision voltage reference IC with similar characteristics and package type.
2. LT1236: A precision voltage reference IC with adjustable output voltage and excellent long-term stability.
3. REF102: A low-power, high-precision voltage reference IC suitable for portable and battery-powered applications.

These alternative models offer similar functionality and can be considered as substitutes for the LM236DT in various applications.

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