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LD2985BM27R
Product Overview
Category
LD2985BM27R belongs to the category of voltage regulators.
Use
It is commonly used to regulate and stabilize voltage in electronic circuits.
Characteristics
- Low dropout voltage
- Low quiescent current
- High output voltage accuracy
- Thermal shutdown protection
- Short-circuit current limit
Package
LD2985BM27R is available in a small surface-mount package, typically SOT-23.
Essence
The essence of LD2985BM27R lies in its ability to provide a stable output voltage despite fluctuations in input voltage.
Packaging/Quantity
LD2985BM27R is usually packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.
Specifications
- Input Voltage Range: 2.5V to 16V
- Output Voltage: 2.7V
- Dropout Voltage: 300mV (typical)
- Quiescent Current: 50µA (typical)
- Output Current: Up to 150mA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
LD2985BM27R has three pins:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
Functional Features
- Low Dropout Voltage: The LD2985BM27R 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 LD2985BM27R minimizes power consumption when the load is light.
- High Output Voltage Accuracy: This voltage regulator provides high accuracy in maintaining the desired output voltage.
- Thermal Shutdown Protection: The LD2985BM27R incorporates thermal shutdown protection, preventing damage due to excessive heat.
- Short-Circuit Current Limit: It has a built-in short-circuit current limit feature, safeguarding the circuit from potential damage.
Advantages and Disadvantages
Advantages
- Efficient voltage regulation
- Low power consumption
- High output voltage accuracy
- Protection against thermal overload and short circuits
Disadvantages
- Limited output current capacity (up to 150mA)
- Restricted input voltage range (2.5V to 16V)
Working Principles
The LD2985BM27R 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 despite fluctuations in the input voltage.
Detailed Application Field Plans
LD2985BM27R 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 LD2985BM27R are: - LM1117-2.7 - MCP1702-2.7 - LP2985-2.7 - NCP1117-2.7 - TS2937-2.7
These models offer similar functionality and characteristics, providing options for different design requirements.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD2985BM27R in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of LD2985BM27R in technical solutions:
Q: What is LD2985BM27R? A: LD2985BM27R 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 LD2985BM27R? A: The input voltage range for LD2985BM27R is typically between 2.5V and 16V.
Q: What is the output voltage of LD2985BM27R? A: The output voltage of LD2985BM27R is fixed at 2.7V.
Q: What is the maximum output current of LD2985BM27R? A: The maximum output current of LD2985BM27R is typically 150mA.
Q: Is LD2985BM27R suitable for battery-powered applications? A: Yes, LD2985BM27R is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.
Q: Can LD2985BM27R handle input voltage fluctuations? A: Yes, LD2985BM27R has built-in protection features like thermal shutdown and current limit to handle input voltage fluctuations.
Q: Does LD2985BM27R require external capacitors for stability? A: Yes, LD2985BM27R requires an input and output capacitor for stability. Refer to the datasheet for recommended values.
Q: Can LD2985BM27R be used in automotive applications? A: Yes, LD2985BM27R can be used in automotive applications as it meets the required specifications for automotive environments.
Q: What is the operating temperature range of LD2985BM27R? A: The operating temperature range of LD2985BM27R is typically between -40°C and 125°C.
Q: Is LD2985BM27R available in different package options? A: Yes, LD2985BM27R is available in various package options like SOT-23, DFN, and TO-92.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for LD2985BM27R.