Viz Specifikace pro podrobnosti o produktu.
L78L09CD13TR
Basic Information Overview
- Category: Voltage Regulator
- Use: To regulate and stabilize the output voltage in electronic circuits
- Characteristics:
- Fixed output voltage of 9V
- Low dropout voltage
- Short-circuit protection
- Thermal overload protection
- Package: TO-252 (DPAK)
- Essence: Linear voltage regulator
- Packaging/Quantity: Tape and reel, 2,500 units per reel
Specifications
- Input Voltage Range: 10.5V to 35V
- Output Voltage: 9V
- Output Current: Up to 100mA
- Dropout Voltage: 1.7V (typical)
- Line Regulation: ±0.4% (typical)
- Load Regulation: ±0.4% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L78L09CD13TR has three pins: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground reference. 3. Output (VOUT): Provides the regulated output voltage.
Functional Features
- Voltage Regulation: The L78L09CD13TR maintains a constant output voltage of 9V, regardless of changes in the input voltage or load conditions.
- Short-Circuit Protection: In case of a short circuit, the device limits the output current to protect itself and the connected components.
- Thermal Overload Protection: If the temperature exceeds the safe operating limit, the regulator shuts down to prevent damage.
- Low Dropout Voltage: The dropout voltage is minimal, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
Advantages and Disadvantages
Advantages: - Simple and reliable voltage regulation solution - Compact package size - Short-circuit and thermal protection features enhance safety
Disadvantages: - Limited output current capability (up to 100mA) - Requires an input voltage higher than the desired output voltage
Working Principles
The L78L09CD13TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.
Detailed Application Field Plans
The L78L09CD13TR is commonly used in various electronic applications, including: 1. Power supplies for microcontrollers and other low-power digital circuits. 2. Battery-powered devices requiring a stable 9V supply. 3. Audio amplifiers and preamplifiers. 4. Automotive electronics. 5. Industrial control systems.
Detailed and Complete Alternative Models
Some alternative models to the L78L09CD13TR are: 1. LM7809: A popular 9V linear voltage regulator from Texas Instruments. 2. MC7809: Another 9V linear voltage regulator from ON Semiconductor. 3. UA7809: A 9V linear voltage regulator from Fairchild Semiconductor.
These alternatives offer similar functionality and can be used as drop-in replacements for the L78L09CD13TR.
Word count: 346 words
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L78L09CD13TR v technických řešeních
Sure! Here are 10 common questions and answers related to the application of L78L09CD13TR in technical solutions:
Q: What is L78L09CD13TR? A: L78L09CD13TR is a voltage regulator IC that provides a fixed output voltage of +9V.
Q: What is the input voltage range for L78L09CD13TR? A: The input voltage range for L78L09CD13TR is typically between +11V and +35V.
Q: What is the maximum output current of L78L09CD13TR? A: The maximum output current of L78L09CD13TR is 100mA.
Q: Can L78L09CD13TR handle higher input voltages than +35V? A: No, exceeding the maximum input voltage can damage the IC. It is recommended to stay within the specified range.
Q: Is L78L09CD13TR suitable for both AC and DC input voltages? A: Yes, L78L09CD13TR can handle both AC and DC input voltages.
Q: Does L78L09CD13TR require any external components for operation? A: Yes, L78L09CD13TR requires input and output capacitors for stability and filtering purposes.
Q: Can L78L09CD13TR be used in automotive applications? A: Yes, L78L09CD13TR is suitable for automotive applications as it can withstand high temperatures and has built-in protection features.
Q: What is the thermal resistance of L78L09CD13TR? A: The thermal resistance of L78L09CD13TR is typically around 50°C/W.
Q: Can L78L09CD13TR be used in battery-powered applications? A: Yes, L78L09CD13TR can be used in battery-powered applications as it has low quiescent current and low dropout voltage.
Q: Is L78L09CD13TR available in different package options? A: Yes, L78L09CD13TR is available in various package options such as TO-92, SOT-89, and DPAK.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for L78L09CD13TR.