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LP2951-4.8YMTR
Product Overview
Category
The LP2951-4.8YMTR belongs to the category of low-dropout voltage regulators.
Use
It is commonly used to provide a stable output voltage for various electronic devices and circuits.
Characteristics
- Low dropout voltage
- High accuracy
- Low quiescent current
- Thermal shutdown protection
Package
The LP2951-4.8YMTR is available in a small outline package (SOT-223) with a quantity of 2500 units per reel.
Essence
The essence of LP2951-4.8YMTR lies in its ability to regulate voltage with high precision and efficiency, making it suitable for a wide range of applications.
Specifications
- Output Voltage: 4.8V
- Dropout Voltage: 380mV at 100mA
- Quiescent Current: 75µA
- Operating Temperature Range: -40°C to 125°C
- Line Regulation: 0.05% typical
- Load Regulation: 0.1% typical
Detailed Pin Configuration
The LP2951-4.8YMTR has a standard 3-pin configuration: 1. Input (VIN) 2. Ground (GND) 3. Output (VOUT)
Functional Features
- Overcurrent and thermal overload protection
- Low dropout voltage for extended battery life
- Adjustable output voltage with external resistors
Advantages and Disadvantages
Advantages
- High accuracy and stability
- Low dropout voltage for efficient power conversion
- Wide operating temperature range
Disadvantages
- Sensitive to input voltage fluctuations
- Limited maximum output current
Working Principles
The LP2951-4.8YMTR operates by comparing the reference voltage with the feedback voltage to regulate the output voltage. It utilizes a PNP pass transistor to achieve low dropout voltage.
Detailed Application Field Plans
The LP2951-4.8YMTR is widely used in: - Battery-powered devices - Portable electronics - Instrumentation and measurement equipment - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models to LP2951-4.8YMTR include: - LM2940 - LT1763 - MIC29302
In conclusion, the LP2951-4.8YMTR is a versatile low-dropout voltage regulator with precise regulation and efficient performance, making it an ideal choice for various electronic applications.
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What is the LP2951-4.8YMTR?
- The LP2951-4.8YMTR is a low-dropout voltage regulator designed to provide 4.8V output voltage with a maximum dropout of 500mV at 100mA load current.
What are the typical applications of LP2951-4.8YMTR?
- The LP2951-4.8YMTR is commonly used in battery-powered systems, portable instruments, and other applications where extended battery life is critical.
What is the input voltage range for LP2951-4.8YMTR?
- The input voltage range for LP2951-4.8YMTR is typically 5.5V to 30V.
What is the maximum output current of LP2951-4.8YMTR?
- The maximum output current of LP2951-4.8YMTR is 100mA.
What are the key features of LP2951-4.8YMTR?
- The key features include low dropout voltage, low ground pin current, thermal shutdown, and short-circuit protection.
Can LP2951-4.8YMTR be used in automotive applications?
- Yes, LP2951-4.8YMTR can be used in automotive applications, provided it meets the necessary automotive standards and requirements.
What are the recommended input and output capacitors for LP2951-4.8YMTR?
- It is recommended to use a 1μF tantalum capacitor at the input and a 1μF ceramic capacitor at the output for stability and transient response.
Does LP2951-4.8YMTR require an external heat sink?
- No, LP2951-4.8YMTR does not require an external heat sink under normal operating conditions.
What is the operating temperature range of LP2951-4.8YMTR?
- The operating temperature range is typically -40°C to 125°C.
Is LP2951-4.8YMTR available in different package options?
- Yes, LP2951-4.8YMTR is available in various package options including TO-263, SOIC, and DDPAK.