AP78L12SG-13
Product Overview
Category
AP78L12SG-13 belongs to the category of voltage regulators.
Use
This product is primarily used for regulating voltage in electronic circuits.
Characteristics
- Voltage regulation capability
- Low dropout voltage
- High output current
- Thermal overload protection
Package
AP78L12SG-13 is available in a TO-252 package.
Essence
The essence of this product lies in its ability to provide stable and regulated voltage output.
Packaging/Quantity
AP78L12SG-13 is typically packaged in reels, with each reel containing a specific quantity of units.
Specifications
- Input Voltage Range: 14V - 30V
- Output Voltage: 12V
- Output Current: 100mA
- Dropout Voltage: 2V
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
AP78L12SG-13 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): The regulated output voltage is obtained from this pin.
Functional Features
- Voltage Regulation: AP78L12SG-13 ensures a constant output voltage of 12V, regardless of input voltage fluctuations.
- Low Dropout Voltage: The low dropout voltage enables efficient operation even when the input voltage is close to the desired output voltage.
- Thermal Overload Protection: The product incorporates thermal overload protection, preventing damage due to excessive heat.
Advantages and Disadvantages
Advantages
- Stable and regulated output voltage
- High output current capability
- Thermal overload protection ensures safety
- Compact TO-252 package
Disadvantages
- Limited output current capacity (100mA)
- Dropout voltage of 2V may not be suitable for all applications
Working Principles
AP78L12SG-13 operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the current flow through it. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly, maintaining a constant output voltage.
Detailed Application Field Plans
AP78L12SG-13 finds application in various electronic devices and circuits, including but not limited to: - Power supplies - Battery-powered systems - Audio amplifiers - LED lighting systems - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to AP78L12SG-13 include: - LM7805: A popular 5V voltage regulator. - LT1084: A high-current adjustable voltage regulator. - LM317: An adjustable positive voltage regulator.
These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.
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Question: What is the AP78L12SG-13?
Answer: The AP78L12SG-13 is a voltage regulator IC (Integrated Circuit) that provides a fixed 12V output voltage.Question: What is the input voltage range for the AP78L12SG-13?
Answer: The input voltage range for the AP78L12SG-13 is typically between 14V and 30V.Question: What is the maximum output current of the AP78L12SG-13?
Answer: The maximum output current of the AP78L12SG-13 is 100mA.Question: Can the AP78L12SG-13 be used to regulate voltages other than 12V?
Answer: No, the AP78L12SG-13 is specifically designed to provide a fixed 12V output voltage.Question: Is the AP78L12SG-13 suitable for battery-powered applications?
Answer: Yes, the AP78L12SG-13 can be used in battery-powered applications as long as the input voltage range is within its specifications.Question: Does the AP78L12SG-13 require any external components for operation?
Answer: Yes, the AP78L12SG-13 requires input and output capacitors for stability and filtering purposes. Refer to the datasheet for recommended values.Question: Can multiple AP78L12SG-13 regulators be connected in parallel to increase the output current?
Answer: No, connecting multiple regulators in parallel is not recommended as it may cause stability issues and uneven load sharing.Question: What is the operating temperature range of the AP78L12SG-13?
Answer: The operating temperature range of the AP78L12SG-13 is typically between -40°C and 125°C.Question: Can the AP78L12SG-13 handle transient voltage spikes?
Answer: The AP78L12SG-13 has built-in protection features to handle transient voltage spikes within its specified limits. However, additional external protection may be required in certain applications.Question: Is the AP78L12SG-13 available in different package options?
Answer: Yes, the AP78L12SG-13 is available in different package options such as SOT-89 and TO-92. Refer to the datasheet for more details on package options and pin configurations.