LD3985M28R
Product Overview
Category
The LD3985M28R 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 LD3985M28R comes in a small surface-mount package.
Essence
The essence of LD3985M28R lies in its ability to provide stable and regulated voltage output.
Packaging/Quantity
The LD3985M28R is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Input Voltage Range: 2.5V to 6V
- Output Voltage: 2.8V
- Dropout Voltage: 200mV (typical)
- Quiescent Current: 50µA (typical)
- Output Current: Up to 150mA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LD3985M28R has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
Functional Features
- Low dropout voltage ensures efficient regulation even with small input-output differentials.
- Low quiescent current minimizes power consumption during standby or idle states.
- High output voltage accuracy provides precise voltage regulation.
- Thermal shutdown protection prevents damage due to excessive temperature.
- Short-circuit current limit protects the regulator and connected components from excessive current flow.
Advantages and Disadvantages
Advantages
- Small form factor
- Wide input voltage range
- Low quiescent current
- High output voltage accuracy
- Thermal shutdown protection
Disadvantages
- Limited output current capacity (up to 150mA)
Working Principles
The LD3985M28R is a linear voltage regulator that operates by comparing the output voltage with a reference voltage. It adjusts the resistance in the circuit to maintain a stable output voltage, even when the input voltage or load conditions change.
Detailed Application Field Plans
The LD3985M28R finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to LD3985M28R are: - LM1117-2.8 - MCP1700-2802E/TO - NCP1117ST28T3G - TPS78228DDCR
These models offer similar functionality and specifications, providing options for different design requirements.
In conclusion, the LD3985M28R 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 applications and has several alternative models available in the market.
기술 솔루션에 LD3985M28R 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LD3985M28R in technical solutions:
Q: What is LD3985M28R? A: LD3985M28R is a low dropout (LDO) voltage regulator IC that provides a stable output voltage for various electronic devices.
Q: What is the input voltage range supported by LD3985M28R? A: The LD3985M28R supports an input voltage range from 2.5V to 6V.
Q: What is the output voltage provided by LD3985M28R? A: The LD3985M28R provides a fixed output voltage of 2.8V.
Q: What is the maximum output current LD3985M28R can handle? A: The LD3985M28R can handle a maximum output current of 150mA.
Q: Is LD3985M28R suitable for battery-powered applications? A: Yes, LD3985M28R is suitable for battery-powered applications as it has a low quiescent current and low dropout voltage.
Q: Does LD3985M28R have built-in thermal shutdown protection? A: Yes, LD3985M28R has built-in thermal shutdown protection to prevent overheating.
Q: Can LD3985M28R operate in a wide temperature range? A: Yes, LD3985M28R can operate in a temperature range from -40°C to +125°C.
Q: Does LD3985M28R require any external components for operation? A: Yes, LD3985M28R requires a few external components such as input/output capacitors and resistors for stability and filtering.
Q: Can LD3985M28R be used in automotive applications? A: Yes, LD3985M28R is suitable for automotive applications as it meets the necessary standards and has a wide operating temperature range.
Q: Is LD3985M28R available in different package options? A: Yes, LD3985M28R is available in various package options such as SOT-23, DFN, and WLCSP to accommodate different design requirements.
Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.