UC28023N

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics:
- High efficiency
- Low dropout voltage
- Wide input voltage range
- Adjustable output voltage
Package: DIP-8 (Dual In-line Package, 8 pins)
Essence: Regulates voltage in electronic circuits
Packaging/Quantity: Available in reels of 1000 units

Specifications

Input Voltage Range: 2.5V to 16V
Output Voltage Range: 1.25V to 15V
Output Current: Up to 500mA
Dropout Voltage: 0.6V typical at 500mA load
Quiescent Current: 75µA typical
Operating Temperature Range: -40°C to +125°C

Pin Configuration

The UC28023N has the following pin configuration:

```

| | --| Vout Vin|-- --| GND Adj|-- |___________| ```

Vin: Input voltage pin
Vout: Output voltage pin
Adj: Adjust pin for setting the output voltage

Functional Features

Voltage Regulation: The UC28023N provides a stable and regulated output voltage regardless of variations in the input voltage.
Adjustable Output: The output voltage can be adjusted using an external resistor connected to the Adj pin.
Low Dropout Voltage: The IC maintains a low voltage drop between the input and output, ensuring efficient power conversion.
Current Limiting: The device incorporates current limiting protection to prevent damage due to excessive load currents.
Thermal Shutdown: If the temperature exceeds the specified limit, the IC shuts down to prevent overheating.

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Adjustable output voltage - Low dropout voltage

Disadvantages: - Limited output current capacity (up to 500mA) - Requires an external resistor for output voltage adjustment

Working Principles

The UC28023N is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal circuitry to regulate the output within the desired range. The device utilizes a pass transistor to control the voltage drop between the input and output, ensuring a stable output voltage.

Detailed Application Field Plans

The UC28023N is commonly used in various electronic applications, including:

Power Supplies: It can be employed in low-power DC-DC converters and battery-powered devices.
Consumer Electronics: Used in audio/video equipment, set-top boxes, and portable devices.
Automotive Electronics: Suitable for automotive power management systems, lighting controls, and infotainment systems.
Industrial Control Systems: Used in industrial automation, motor control, and instrumentation applications.
Telecommunications: Employed in telecom infrastructure equipment, routers, and switches.

Detailed and Complete Alternative Models

LM317: A popular adjustable voltage regulator with similar characteristics and pin configuration.
LT1084: Offers higher output current capability and lower dropout voltage compared to UC28023N.
LM7805: Fixed output voltage regulator providing a stable 5V output.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UC28023N v technických řešeních

Sure! Here are 10 common questions and answers related to the application of UC28023N in technical solutions:

Q: What is UC28023N? A: UC28023N is a specific integrated circuit (IC) used for various technical applications, such as power management or motor control.
Q: What are the key features of UC28023N? A: Some key features of UC28023N include high voltage capability, low quiescent current, built-in protection features, and compatibility with different control signals.
Q: How can UC28023N be used in power management applications? A: UC28023N can be used to regulate and control power supply voltages, manage battery charging, or provide voltage conversion in power management circuits.
Q: Can UC28023N be used for motor control applications? A: Yes, UC28023N can be used for motor control applications by providing precise control signals to drive motors, enabling speed control, direction control, or torque control.
Q: What is the maximum voltage that UC28023N can handle? A: UC28023N has a high voltage capability and can handle voltages up to a certain limit, typically mentioned in the datasheet provided by the manufacturer.
Q: Are there any built-in protection features in UC28023N? A: Yes, UC28023N usually includes built-in protection features like overvoltage protection, undervoltage lockout, thermal shutdown, and short-circuit protection.
Q: Can UC28023N operate at low power levels? A: Yes, UC28023N is designed to operate at low quiescent currents, making it suitable for applications where power efficiency is important.
Q: Is UC28023N compatible with different control signals? A: Yes, UC28023N is typically designed to be compatible with various control signal types, such as PWM (Pulse Width Modulation) or analog control signals.
Q: Can UC28023N be used in battery-powered applications? A: Yes, UC28023N can be used in battery-powered applications due to its low quiescent current and ability to regulate power supply voltages efficiently.
Q: Where can I find more information about the application of UC28023N? A: You can refer to the datasheet provided by the manufacturer of UC28023N for detailed information on its application, specifications, and recommended usage guidelines.

Please note that the specific details and answers may vary depending on the manufacturer's documentation and the application requirements.