LD39130SJ12R
Product Overview
- Category: Integrated Circuit
- Use: Voltage Regulator
- Characteristics: Low Dropout, High Current Capability
- Package: TO-263 (D2PAK)
- Essence: LD39130SJ12R is a voltage regulator integrated circuit designed for low dropout applications. It provides a stable output voltage with high current capability.
- Packaging/Quantity: The LD39130SJ12R is available in a TO-263 package and is typically sold in reels of 2500 units.
Specifications
- Input Voltage Range: 2.5V to 6V
- Output Voltage: 1.2V
- Output Current: Up to 3A
- Dropout Voltage: 300mV at 3A
- Quiescent Current: 100µA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LD39130SJ12R has the following pin configuration:
- VIN: Input Voltage
- GND: Ground
- EN: Enable Pin
- VOUT: Output Voltage
Functional Features
- Low dropout voltage ensures stable output even when input voltage is close to the desired output voltage.
- High current capability allows it to handle loads up to 3A.
- Enable pin allows for easy control of the regulator's operation.
- Built-in thermal shutdown protection prevents overheating.
Advantages and Disadvantages
Advantages: - Low dropout voltage ensures efficient power conversion. - High current capability makes it suitable for various applications. - Enable pin provides flexibility in controlling the regulator. - Thermal shutdown protection enhances reliability.
Disadvantages: - Limited output voltage options (only 1.2V). - Higher quiescent current compared to some other voltage regulators.
Working Principles
The LD39130SJ12R is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
The LD39130SJ12R is commonly used in various applications, including: - Power supplies for microcontrollers and digital circuits. - Battery-powered devices requiring stable voltage regulation. - Automotive electronics. - Industrial control systems. - Portable consumer electronics.
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to LD39130SJ12R are: - LM1117-1.2: Low dropout voltage regulator with similar specifications. - LT1763-1.2: High-performance low dropout regulator with adjustable output voltage. - TPS7A4700: Ultra-low noise, high PSRR voltage regulator suitable for sensitive applications.
These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.
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技術ソリューションにおける LD39130SJ12R 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。
Sure! Here are 10 common questions and answers related to the application of LD39130SJ12R in technical solutions:
Q: What is LD39130SJ12R? A: LD39130SJ12R 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 LD39130SJ12R? A: The input voltage range for LD39130SJ12R is typically between 2.5V and 6V.
Q: What is the output voltage of LD39130SJ12R? A: LD39130SJ12R provides a fixed output voltage of 1.2V.
Q: What is the maximum output current of LD39130SJ12R? A: The maximum output current of LD39130SJ12R is typically around 300mA.
Q: Is LD39130SJ12R suitable for battery-powered applications? A: Yes, LD39130SJ12R is often used in battery-powered applications due to its low dropout voltage and low quiescent current.
Q: Can LD39130SJ12R handle high temperatures? A: Yes, LD39130SJ12R is designed to operate reliably at high temperatures, typically up to 125°C.
Q: Does LD39130SJ12R have built-in protection features? A: Yes, LD39130SJ12R includes various protection features such as thermal shutdown, current limit, and reverse polarity protection.
Q: Can LD39130SJ12R be used in automotive applications? A: Yes, LD39130SJ12R is suitable for automotive applications as it meets the necessary requirements for automotive electronics.
Q: What is the package type of LD39130SJ12R? A: LD39130SJ12R is available in a small SOT-23 package, which is commonly used for compact and space-constrained designs.
Q: Are there any application notes or reference designs available for LD39130SJ12R? A: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of LD39130SJ12R in various technical solutions.
Please note that the specific details and specifications may vary depending on the manufacturer and datasheet of LD39130SJ12R.