MC33167D2T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: TO-220

Essence: The MC33167D2T is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The MC33167D2T is typically sold in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 8V to 40V
• Output Voltage Range: 1.25V to 37V
• Dropout Voltage: 1.5V (typical)
• Output Current: Up to 1A
• Quiescent Current: 10mA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MC33167D2T has the following pin configuration:

___________ | | IN |1 3| OUT | | GND |2 4| ADJ |___________|

Functional Features

• High Voltage Input: The MC33167D2T can handle input voltages ranging from 8V to 40V, making it suitable for a wide range of applications.
• Low Dropout Voltage: With a typical dropout voltage of 1.5V, the MC33167D2T can regulate the output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor divider network connected to the ADJ pin.
• Overcurrent Protection: The IC incorporates overcurrent protection, which safeguards the device and the connected circuitry from excessive current.
• Thermal Shutdown Protection: In case of excessive temperature, the MC33167D2T has a built-in thermal shutdown feature that prevents damage to the IC.

Advantages and Disadvantages

Advantages: - Wide input voltage range - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection

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

Working Principles

The MC33167D2T operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the ADJ pin. The internal circuitry compares the feedback voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MC33167D2T is commonly used in various applications, including: - Automotive electronics - Industrial control systems - Power supplies - Battery charging circuits - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to the MC33167D2T include: - LM317 - LT1083 - LM7805 - LM1117

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the MC33167D2T is a versatile voltage regulator IC with a wide input voltage range, low dropout voltage, and adjustable output voltage. It provides overcurrent and thermal protection, making it suitable for various applications in automotive, industrial, and consumer electronics.