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LD2982AM40R
Product Overview
Category
LD2982AM40R 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 LD2982AM40R comes in a small surface-mount package.
Essence
The essence of LD2982AM40R lies in its ability to provide stable and regulated voltage output for various electronic applications.
Packaging/Quantity
The LD2982AM40R is typically packaged in reels and available in quantities suitable for mass production.
Specifications
- Input Voltage Range: 2.5V - 16V
- Output Voltage: 4.0V
- Dropout Voltage: 300mV @ 100mA
- Quiescent Current: 50µA
- Output Current: 100mA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LD2982AM40R has three pins:
- VIN (Input Voltage)
- GND (Ground)
- VOUT (Output Voltage)
Functional Features
- Low Dropout Voltage: The LD2982AM40R exhibits 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 LD2982AM40R minimizes power consumption when the load is light or idle.
- High Output Voltage Accuracy: It provides high accuracy in maintaining the desired output voltage, ensuring reliable performance of connected electronic components.
- Thermal Shutdown Protection: The LD2982AM40R incorporates thermal shutdown protection, preventing damage due to excessive heat.
- Short-Circuit Current Limit: It features a short-circuit current limit to protect the regulator and connected devices from excessive current flow.
Advantages and Disadvantages
Advantages
- Stable and regulated output voltage
- Low dropout voltage for efficient regulation
- Low quiescent current for reduced power consumption
- Thermal shutdown protection for enhanced safety
- Short-circuit current limit for device protection
Disadvantages
- Limited output current capacity (100mA)
- Restricted input voltage range (2.5V - 16V)
Working Principles
The LD2982AM40R 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. This allows it to maintain a stable output voltage, even when the input voltage fluctuates.
Detailed Application Field Plans
The LD2982AM40R finds applications in various electronic devices and circuits, 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 LD2982AM40R are: - LM1117-4.0 - LT1761-4.0 - MCP1700-4.0
These models offer similar voltage regulation capabilities and can be used as substitutes depending on specific requirements.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD2982AM40R in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of LD2982AM40R in technical solutions:
Q: What is LD2982AM40R? A: LD2982AM40R is a low-dropout voltage regulator IC that provides a stable output voltage with low quiescent current.
Q: What is the input voltage range for LD2982AM40R? A: The input voltage range for LD2982AM40R is typically between 2.5V and 16V.
Q: What is the output voltage of LD2982AM40R? A: The output voltage of LD2982AM40R is fixed at 4.0V.
Q: What is the maximum output current of LD2982AM40R? A: LD2982AM40R can provide a maximum output current of 50mA.
Q: Is LD2982AM40R suitable for battery-powered applications? A: Yes, LD2982AM40R is suitable for battery-powered applications due to its low quiescent current and low dropout voltage.
Q: Can LD2982AM40R handle input voltage fluctuations? A: Yes, LD2982AM40R has built-in protection features like thermal shutdown and current limit to handle input voltage fluctuations.
Q: Does LD2982AM40R require any external components for operation? A: Yes, LD2982AM40R requires a minimum of two external capacitors for stability and proper operation.
Q: What is the operating temperature range of LD2982AM40R? A: The operating temperature range of LD2982AM40R is typically between -40°C and +125°C.
Q: Can LD2982AM40R be used in automotive applications? A: Yes, LD2982AM40R is suitable for automotive applications as it meets the necessary requirements and has a wide operating temperature range.
Q: Is LD2982AM40R available in different package options? A: Yes, LD2982AM40R is available in various package options, such as SOT-23 and DFN, to suit different application requirements.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of LD2982AM40R.