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SPX1117M3-L-1-8
Basic Information Overview
- Category: Voltage Regulator
- Use: Power management
- Characteristics: Low dropout, high accuracy, low quiescent current
- Package: SOT-223
- Essence: Linear voltage regulator
- Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Input Voltage Range: 2.5V to 10V
- Output Voltage: 1.8V
- Dropout Voltage: 1.1V at 800mA
- Quiescent Current: 5mA
- Line Regulation: 0.2%
- Load Regulation: 0.4%
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The SPX1117M3-L-1-8 has three pins: 1. Vin (Pin 1): Input voltage pin 2. Vout (Pin 2): Output voltage pin 3. GND (Pin 3): Ground pin
Functional Features
- Low dropout voltage: The SPX1117M3-L-1-8 can regulate the output voltage even when the input voltage is close to the desired output voltage.
- High accuracy: It provides a precise and stable output voltage of 1.8V.
- Low quiescent current: The regulator consumes minimal current when in standby mode, conserving power.
- Thermal shutdown protection: It includes built-in protection against excessive temperature, ensuring safe operation.
Advantages and Disadvantages
Advantages: - Wide input voltage range allows flexibility in various applications. - Excellent line and load regulation ensures a stable output voltage. - Compact SOT-223 package enables easy integration into space-constrained designs.
Disadvantages: - Relatively higher dropout voltage compared to some other voltage regulators. - Limited output current capability of 800mA.
Working Principles
The SPX1117M3-L-1-8 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly. This ensures a constant output voltage of 1.8V, regardless of input voltage variations.
Detailed Application Field Plans
The SPX1117M3-L-1-8 is widely used in various applications, including: 1. Battery-powered devices: It provides a stable power supply for portable electronics such as smartphones, tablets, and wearable devices. 2. Industrial equipment: It is suitable for powering sensors, actuators, and control circuits in industrial automation systems. 3. Automotive electronics: It can be used in automotive applications like infotainment systems, lighting controls, and engine management systems. 4. Communication systems: The regulator is commonly employed in routers, switches, and other network equipment to ensure reliable power delivery.
Detailed and Complete Alternative Models
- LM1117-1.8: A popular alternative with similar specifications and pin configuration.
- LT1761-1.8: Offers lower dropout voltage and higher output current capability.
- MCP1700-1802E/TO: Provides a low quiescent current and compact TO-92 package option.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de SPX1117M3-L-1-8 em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of SPX1117M3-L-1-8 in technical solutions:
Q1: What is SPX1117M3-L-1-8? A1: SPX1117M3-L-1-8 is a low dropout voltage regulator IC that provides a fixed output voltage of 1.8V.
Q2: What is the input voltage range for SPX1117M3-L-1-8? A2: The input voltage range for SPX1117M3-L-1-8 is typically between 2.5V and 6V.
Q3: What is the maximum output current of SPX1117M3-L-1-8? A3: The maximum output current of SPX1117M3-L-1-8 is 800mA.
Q4: Can SPX1117M3-L-1-8 be used in battery-powered applications? A4: Yes, SPX1117M3-L-1-8 can be used in battery-powered applications as it has a low dropout voltage and operates efficiently with low input voltages.
Q5: Is SPX1117M3-L-1-8 suitable for use in automotive electronics? A5: Yes, SPX1117M3-L-1-8 is suitable for use in automotive electronics as it can handle the wide temperature range and has good stability.
Q6: Does SPX1117M3-L-1-8 require any external components for operation? A6: Yes, SPX1117M3-L-1-8 requires a minimum of two external capacitors (input and output) for stable operation.
Q7: Can SPX1117M3-L-1-8 handle short-circuit conditions? A7: Yes, SPX1117M3-L-1-8 has built-in current limiting and thermal shutdown protection, which allows it to handle short-circuit conditions.
Q8: What is the typical dropout voltage of SPX1117M3-L-1-8? A8: The typical dropout voltage of SPX1117M3-L-1-8 is around 1.2V at full load.
Q9: Can SPX1117M3-L-1-8 be used in low-power applications? A9: Yes, SPX1117M3-L-1-8 can be used in low-power applications as it has a low quiescent current and provides stable output voltage.
Q10: Is SPX1117M3-L-1-8 available in different package options? A10: Yes, SPX1117M3-L-1-8 is available in various package options, including SOT-223, TO-252, and TO-263.
Please note that these answers are general and may vary depending on the specific datasheet and application requirements.