LD1117AS12TR
Product Overview
Category
The LD1117AS12TR belongs to the category of low-dropout voltage regulators.
Use
It is commonly used to regulate voltage in various electronic circuits and devices.
Characteristics
- Low dropout voltage
- High output current capability
- Thermal overload protection
- Short circuit current limiting
Package
The LD1117AS12TR is available in a surface-mount package, making it suitable for compact electronic designs.
Essence
The essence of LD1117AS12TR lies in its ability to provide stable and regulated voltage output with minimal dropout voltage.
Packaging/Quantity
It is typically packaged in reels or tubes, with varying quantities depending on the supplier.
Specifications
- Output Voltage: 1.2V
- Maximum Input Voltage: 15V
- Maximum Output Current: 800mA
- Dropout Voltage: 1.1V at 800mA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LD1117AS12TR typically has three pins: 1. Input (Vin) 2. Ground (GND) 3. Output (Vout)
Functional Features
- Regulates input voltage to a stable 1.2V output
- Provides thermal overload protection
- Limits current in case of a short circuit
Advantages
- Low dropout voltage ensures efficient regulation
- High output current capability for diverse applications
- Thermal overload protection enhances reliability
Disadvantages
- Limited maximum output current compared to some alternatives
- Higher dropout voltage compared to newer regulator models
Working Principles
The LD1117AS12TR operates by comparing the reference voltage with the divided-down output voltage to maintain a stable output regardless of variations in the input voltage.
Detailed Application Field Plans
The LD1117AS12TR is widely used in: - Battery-powered devices - Embedded systems - Consumer electronics - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models to LD1117AS12TR include: - LM2937 - MIC2940A - LT1763
In summary, the LD1117AS12TR is a versatile low-dropout voltage regulator with a range of applications in various electronic systems, offering stable voltage regulation and essential protection features.
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技術ソリューションにおける LD1117AS12TR の適用に関連する 10 件の一般的な質問と回答をリストします。
What is LD1117AS12TR?
- LD1117AS12TR is a low dropout voltage regulator that can provide a stable 1.2V output voltage with a maximum output current of 800mA.
What are the typical applications of LD1117AS12TR?
- LD1117AS12TR is commonly used in various technical solutions such as battery-powered devices, embedded systems, and low voltage microcontroller applications.
What is the input voltage range for LD1117AS12TR?
- The input voltage range for LD1117AS12TR is typically between 4.2V to 15V.
How does LD1117AS12TR handle thermal considerations?
- LD1117AS12TR has built-in thermal shutdown and current limit protection features to ensure safe operation under varying load conditions.
Can LD1117AS12TR be used in automotive applications?
- Yes, LD1117AS12TR can be used in automotive applications, provided it meets the necessary automotive standards and requirements.
What are the key advantages of using LD1117AS12TR?
- Some key advantages of LD1117AS12TR include low dropout voltage, high output accuracy, and thermal shutdown protection.
Is LD1117AS12TR suitable for low power IoT devices?
- Yes, LD1117AS12TR is suitable for low power IoT devices due to its low dropout voltage and stable output characteristics.
What are the typical load regulation specifications for LD1117AS12TR?
- The typical load regulation for LD1117AS12TR is around 0.1% of the output voltage for a load current variation from 1mA to 800mA.
Can LD1117AS12TR be used in conjunction with other voltage regulators?
- Yes, LD1117AS12TR can be used in parallel with other voltage regulators to increase the total output current capability if needed.
What are the key considerations for PCB layout when using LD1117AS12TR?
- Proper heat sinking, placement of input/output capacitors, and minimizing trace lengths are important considerations for PCB layout when using LD1117AS12TR.