LD2982BM35R
Product Overview
Category
The LD2982BM35R belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- Low dropout voltage
- Low quiescent current
- High output voltage accuracy
- Thermal shutdown protection
- Short-circuit current limit
Package
The LD2982BM35R comes in a small surface-mount package.
Essence
The essence of LD2982BM35R lies in its ability to provide stable and regulated voltage output.
Packaging/Quantity
The LD2982BM35R is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Input Voltage Range: 2.5V to 16V
- Output Voltage: 3.5V
- Dropout Voltage: 300mV at 100mA
- Quiescent Current: 50µA
- Output Current: Up to 100mA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LD2982BM35R has three pins:
- VIN (Input Voltage)
- GND (Ground)
- VOUT (Output Voltage)
Functional Features
- Low Dropout Voltage: The LD2982BM35R exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
- Low Quiescent Current: With a low quiescent current, the LD2982BM35R minimizes power consumption when the load is light or idle.
- High Output Voltage Accuracy: This voltage regulator provides high output voltage accuracy, ensuring precise and reliable voltage regulation.
- Thermal Shutdown Protection: The LD2982BM35R incorporates thermal shutdown protection, preventing damage due to excessive temperature.
- Short-Circuit Current Limit: It features a short-circuit current limit, protecting the device and the circuit from damage in case of a short circuit.
Advantages and Disadvantages
Advantages
- Efficient voltage regulation with low dropout voltage
- Low power consumption due to low quiescent current
- High output voltage accuracy ensures reliable performance
- Thermal shutdown protection prevents overheating
- Short-circuit current limit protects the device and circuit
Disadvantages
- Limited output current capacity (up to 100mA)
- Restricted input voltage range (2.5V to 16V)
Working Principles
The LD2982BM35R operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By maintaining a constant voltage drop across the pass transistor, it ensures a stable output voltage regardless of variations in the input voltage or load conditions.
Detailed Application Field Plans
The LD2982BM35R finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems - Communication equipment
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to LD2982BM35R are: - LM1117-3.3 - LT1761-3.3 - MCP1700-3302E
These models offer similar voltage regulation capabilities and can be used as substitutes depending on specific requirements and availability.
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기술 솔루션에 LD2982BM35R 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LD2982BM35R in technical solutions:
Q: What is LD2982BM35R? A: LD2982BM35R is a low-dropout voltage regulator IC that provides a stable output voltage with low dropout voltage.
Q: What is the input voltage range for LD2982BM35R? A: The input voltage range for LD2982BM35R is typically between 2.5V and 16V.
Q: What is the output voltage of LD2982BM35R? A: The output voltage of LD2982BM35R is fixed at 3.5V.
Q: What is the maximum output current LD2982BM35R can handle? A: LD2982BM35R can handle a maximum output current of 50mA.
Q: Is LD2982BM35R suitable for battery-powered applications? A: Yes, LD2982BM35R is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.
Q: Can LD2982BM35R be used in automotive applications? A: Yes, LD2982BM35R is designed to meet automotive requirements and can be used in automotive applications.
Q: Does LD2982BM35R have built-in protection features? A: Yes, LD2982BM35R has built-in protection features such as thermal shutdown and current limit protection.
Q: What is the operating temperature range for LD2982BM35R? A: The operating temperature range for LD2982BM35R is typically between -40°C and +125°C.
Q: Can LD2982BM35R be used in space-constrained applications? A: Yes, LD2982BM35R is available in a small SOT-23 package, making it suitable for space-constrained applications.
Q: Are there any application notes or reference designs available for LD2982BM35R? A: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of LD2982BM35R in various technical solutions.
Please note that these answers are general and may vary depending on the specific requirements and conditions of your application. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.