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LD2985AM27R
Product Overview
Category
The LD2985AM27R 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 LD2985AM27R comes in a small surface-mount package.
Essence
The essence of LD2985AM27R lies in its ability to provide stable and regulated voltage output.
Packaging/Quantity
The LD2985AM27R 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: 2.7V
- Dropout Voltage: 300mV at 100mA
- Quiescent Current: 50µA
- Output Current: 150mA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LD2985AM27R has three pins:
- VIN (Input Voltage)
- GND (Ground)
- VOUT (Output Voltage)
Functional Features
- Low dropout voltage ensures efficient regulation even with small input-output differentials.
- Low quiescent current minimizes power consumption when the regulator is idle.
- High output voltage accuracy provides precise voltage regulation.
- Thermal shutdown protection prevents damage due to excessive temperature.
- Short-circuit current limit protects the regulator from overcurrent conditions.
Advantages and Disadvantages
Advantages
- Stable and regulated output voltage
- Wide input voltage range
- Low power consumption
- Compact package size
- Protection features for enhanced reliability
Disadvantages
- Limited output current capacity
- Higher dropout voltage compared to some other regulators
Working Principles
The LD2985AM27R operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the current flow through it. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
The LD2985AM27R finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to LD2985AM27R are: - LM1117-2.7 - MCP1702-2.7 - TS2940-2.7 - LP2985-2.7
These models offer similar functionality and specifications, providing options for different design requirements.
In conclusion, the LD2985AM27R is a voltage regulator known for its low dropout voltage, high output voltage accuracy, and thermal shutdown protection. It is widely used in various electronic devices and has several alternative models available in the market.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LD2985AM27R v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LD2985AM27R in technical solutions:
Q: What is LD2985AM27R? A: LD2985AM27R is a low-dropout voltage regulator IC that provides a fixed output voltage of 2.7V.
Q: What is the input voltage range for LD2985AM27R? A: The input voltage range for LD2985AM27R is typically between 2.5V and 16V.
Q: What is the maximum output current of LD2985AM27R? A: LD2985AM27R can provide a maximum output current of 150mA.
Q: Is LD2985AM27R suitable for battery-powered applications? A: Yes, LD2985AM27R is suitable for battery-powered applications as it has a low dropout voltage and low quiescent current.
Q: Can LD2985AM27R handle input voltage fluctuations? A: Yes, LD2985AM27R has built-in protection features like thermal shutdown and current limit, which help it handle input voltage fluctuations.
Q: Does LD2985AM27R require any external components for operation? A: Yes, LD2985AM27R requires a minimum of two external capacitors for stability and proper operation.
Q: What is the typical dropout voltage of LD2985AM27R? A: The typical dropout voltage of LD2985AM27R is around 300mV at 150mA load current.
Q: Can LD2985AM27R be used in automotive applications? A: Yes, LD2985AM27R is suitable for automotive applications as it can withstand a wide operating temperature range and has automotive-grade certifications.
Q: What is the package type of LD2985AM27R? A: LD2985AM27R is available in a small SOT-23 package, which is commonly used for space-constrained applications.
Q: Are there any application notes or reference designs available for LD2985AM27R? A: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of LD2985AM27R in various technical solutions.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's recommendations for LD2985AM27R.