LE50CD

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short-circuit current limiting - Wide input voltage range

Package: TO-220

Essence: The LE50CD is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The LE50CD is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs.

Specifications

Input Voltage Range: 4.5V to 35V
Output Voltage Range: 1.2V to 33V
Dropout Voltage: 0.5V (typical)
Output Current: Up to 1500mA
Quiescent Current: 5mA (typical)
Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LE50CD has three pins:

Input (VIN): This pin is used to connect the input voltage source.
Ground (GND): This pin is connected to the ground reference.
Output (VOUT): This pin provides the regulated output voltage.

Functional Features

Low Dropout Voltage: The LE50CD has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
High Output Current Capability: With a maximum output current of 1500mA, the LE50CD can power a wide range of electronic devices.
Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents overheating and damage to the device.
Short-Circuit Current Limiting: In case of a short circuit, the LE50CD limits the current to protect itself and the connected circuit.
Wide Input Voltage Range: The IC can accept input voltages ranging from 4.5V to 35V, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability allows for powering demanding devices. - Thermal shutdown protection prevents damage due to overheating. - Short-circuit current limiting protects the IC and connected circuit. - Wide input voltage range provides flexibility in application.

Disadvantages: - None identified.

Working Principles

The LE50CD is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The internal circuitry of the IC ensures proper regulation, thermal protection, and current limiting.

Detailed Application Field Plans

The LE50CD can be used in various applications, including but not limited to: 1. Power supplies for electronic devices 2. Battery-powered systems 3. Automotive electronics 4. Industrial control systems 5. Audio amplifiers 6. LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to the LE50CD include: - LM317 - LM1117 - LT1085 - LM7805 - LM2940

These models offer similar functionality and can be used as alternatives depending on specific requirements and availability.

In conclusion, the LE50CD is a versatile voltage regulator IC with excellent characteristics, such as low dropout voltage, high output current capability, and thermal protection. Its wide input voltage range and compact TO-220 package make it suitable for various applications in different fields. Additionally, alternative models provide flexibility in choosing the right voltage regulator for specific needs.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LE50CD v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LE50CD in technical solutions:

Q: What is LE50CD? A: LE50CD is a voltage regulator IC (integrated circuit) commonly used in technical solutions to regulate and stabilize voltage levels.
Q: What is the input voltage range for LE50CD? A: The input voltage range for LE50CD is typically between 7V and 35V.
Q: What is the output voltage range of LE50CD? A: The output voltage range of LE50CD is adjustable, but it is commonly used to provide a stable output voltage of 5V.
Q: Can LE50CD handle high current loads? A: Yes, LE50CD can handle moderate current loads up to 150mA, making it suitable for many low-power applications.
Q: Is LE50CD suitable for battery-powered devices? A: Yes, LE50CD is often used in battery-powered devices due to its low power consumption and ability to regulate voltage efficiently.
Q: Does LE50CD require any external components for operation? A: Yes, LE50CD requires a few external components such as capacitors and resistors to ensure stable operation and filtering of noise.
Q: Can LE50CD handle voltage spikes or transients? A: Yes, LE50CD has built-in protection features that allow it to handle voltage spikes and transients within certain limits.
Q: Can LE50CD be used in automotive applications? A: Yes, LE50CD is suitable for automotive applications as it can withstand the temperature and voltage variations commonly found in vehicles.
Q: Is LE50CD available in different package types? A: Yes, LE50CD is available in various package types such as TO-92, SOT-89, and SOIC-8, providing flexibility for different PCB layouts.
Q: Are there any known limitations or considerations when using LE50CD? A: One consideration is that LE50CD may require heat sinking if used in high ambient temperature environments or with high current loads. Additionally, it is important to ensure proper input and output capacitor selection for stable operation.

Please note that the answers provided here are general and may vary depending on specific application requirements.