Zie specificaties voor productdetails.
LD1117AV25
Product Overview
Category
The LD1117AV25 belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- Low dropout voltage
- Output current up to 800 mA
- Fixed output voltage of 2.5 V
- Thermal overload protection
- Short-circuit current limit
- Output voltage accuracy of ±1%
Package
The LD1117AV25 comes in a TO-220 package, which is a widely used through-hole package for power semiconductors.
Essence
The essence of LD1117AV25 lies in its ability to provide a stable and regulated output voltage of 2.5 V with low dropout voltage.
Packaging/Quantity
The LD1117AV25 is typically available in reels or tubes, with quantities varying depending on the supplier.
Specifications
- Input Voltage Range: 4.4 V to 15 V
- Output Voltage: 2.5 V
- Dropout Voltage: 1.2 V (at 800 mA)
- Output Current: Up to 800 mA
- Line Regulation: ±0.2%
- Load Regulation: ±0.4%
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LD1117AV25 has three pins:
- VIN (Input Voltage): This pin is connected to the input voltage source.
- GND (Ground): This pin is connected to the ground reference.
- VOUT (Output Voltage): This pin provides the regulated output voltage of 2.5 V.
Functional Features
- Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
- Thermal overload protection prevents damage due to excessive heat.
- Short-circuit current limit protects the regulator from high currents during a short circuit.
Advantages and Disadvantages
Advantages
- Stable and accurate output voltage regulation.
- Low dropout voltage minimizes power dissipation.
- Thermal overload protection ensures device safety.
- Suitable for a wide range of applications.
Disadvantages
- Limited output current capacity compared to higher-rated regulators.
- Higher cost compared to some other voltage regulators in the market.
Working Principles
The LD1117AV25 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage of 2.5 V.
Detailed Application Field Plans
The LD1117AV25 finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Embedded systems - Consumer electronics - Industrial control systems - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to LD1117AV25 are: - LM1117: Similar voltage regulator with adjustable output voltage. - LT1117: Low dropout voltage regulator with higher output current capability. - LDO50V: Voltage regulator with a fixed output voltage of 5 V.
These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.
Word count: 420 words
Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD1117AV25 in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of LD1117AV25 in technical solutions:
Q: What is LD1117AV25? A: LD1117AV25 is a low-dropout voltage regulator that provides a fixed output voltage of 2.5V.
Q: What is the maximum input voltage for LD1117AV25? A: The maximum input voltage for LD1117AV25 is typically 15V.
Q: What is the dropout voltage of LD1117AV25? A: The dropout voltage of LD1117AV25 is typically around 1.2V.
Q: Can LD1117AV25 handle high currents? A: Yes, LD1117AV25 can handle currents up to 800mA.
Q: Is LD1117AV25 suitable for battery-powered applications? A: Yes, LD1117AV25 is suitable for battery-powered applications due to its low dropout voltage.
Q: Does LD1117AV25 require any external components for operation? A: Yes, LD1117AV25 requires input and output capacitors for stability.
Q: Can LD1117AV25 be used as a voltage regulator for microcontrollers? A: Yes, LD1117AV25 can be used as a voltage regulator for microcontrollers operating at 2.5V.
Q: Is LD1117AV25 available in different package options? A: Yes, LD1117AV25 is available in various package options such as SOT-223, TO-220, etc.
Q: What is the typical quiescent current of LD1117AV25? A: The typical quiescent current of LD1117AV25 is around 5mA.
Q: Can LD1117AV25 handle temperature variations? A: Yes, LD1117AV25 has a wide operating temperature range and can handle temperature variations effectively.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.