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SPX1117M3-L-1-8
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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

  1. LM1117-1.8: A popular alternative with similar specifications and pin configuration.
  2. LT1761-1.8: Offers lower dropout voltage and higher output current capability.
  3. MCP1700-1802E/TO: Provides a low quiescent current and compact TO-92 package option.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem SPX1117M3-L-1-8 w rozwiązaniach technicznych

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.