Meixin Integrated
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MAX1735EUK25
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MAX1735EUK25

Product Overview

Category

The MAX1735EUK25 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage: 2.5V
  • Maximum Output Current: 100mA
  • Low Dropout Voltage: 120mV at 100mA
  • Low Quiescent Current: 40µA
  • High PSRR: 70dB at 1kHz
  • Low Output Noise: 30µVRMS (10Hz to 100kHz)
  • Shutdown Mode with IQ < 1µA
  • Thermal Shutdown Protection

Package

The MAX1735EUK25 is available in a SOT23-5 package.

Essence

The essence of the MAX1735EUK25 is its ability to provide a stable and regulated output voltage, even when the input voltage varies.

Packaging/Quantity

The MAX1735EUK25 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage: 2.5V
  • Output Current: 100mA
  • Dropout Voltage: 120mV at 100mA
  • Quiescent Current: 40µA
  • PSRR: 70dB at 1kHz
  • Output Noise: 30µVRMS (10Hz to 100kHz)
  • Shutdown Current: < 1µA
  • Thermal Shutdown Temperature: 150°C

Detailed Pin Configuration

The MAX1735EUK25 has five pins:

  1. VIN: Input voltage pin.
  2. GND: Ground reference pin.
  3. FB: Feedback pin for setting the output voltage.
  4. EN: Enable pin to turn the regulator on/off.
  5. VOUT: Output voltage pin.

Functional Features

  • Wide input voltage range allows for flexibility in various applications.
  • Low dropout voltage ensures efficient regulation even with low input-output differentials.
  • Low quiescent current minimizes power consumption during standby or idle states.
  • High power supply rejection ratio (PSRR) reduces sensitivity to input voltage fluctuations.
  • Low output noise ensures clean and stable output voltage.
  • Shutdown mode with ultra-low current consumption enables power-saving functionality.
  • Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages

  • Wide input voltage range provides versatility in different applications.
  • Low dropout voltage ensures efficient operation even with low input-output differentials.
  • Low quiescent current minimizes power consumption during standby or idle states.
  • High PSRR reduces sensitivity to input voltage fluctuations, resulting in a stable output.
  • Shutdown mode with ultra-low current consumption enables power-saving functionality.
  • Thermal shutdown protection prevents damage due to excessive temperature.

Disadvantages

  • Limited maximum output current of 100mA may not be suitable for high-power applications.
  • Single fixed output voltage limits flexibility in voltage selection.

Working Principles

The MAX1735EUK25 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage at the FB pin with a reference voltage to adjust the pass transistor's conduction, maintaining a constant output voltage. The regulator operates in a continuous feedback loop to ensure stability and accurate voltage regulation.

Detailed Application Field Plans

The MAX1735EUK25 finds applications in various electronic systems, including but not limited to:

  1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and wearables.
  2. Industrial control systems: Ensures stable voltage supply for sensors, actuators, and control circuits.
  3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
  4. Home automation: Provides regulated voltage for smart home devices, including sensors, controllers, and communication modules.

Detailed and Complete Alternative Models

  1. MAX1736EUK25: Similar to MAX1735EUK25 but with an adjustable output voltage.
  2. MAX1737EUK25: Higher output current capability (up to 500mA) while maintaining similar specifications.
  3. MAX1738EUK25: Dual-output voltage regulator with two independent channels.

These alternative models offer different features and capabilities, allowing users to select the most suitable option based on their specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX1735EUK25 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MAX1735EUK25 in technical solutions:

  1. Q: What is the MAX1735EUK25? A: The MAX1735EUK25 is a low-dropout linear regulator (LDO) IC that provides a fixed output voltage of 2.5V.

  2. Q: What is the input voltage range for the MAX1735EUK25? A: The input voltage range for the MAX1735EUK25 is typically between 2.7V and 6.5V.

  3. Q: What is the maximum output current of the MAX1735EUK25? A: The MAX1735EUK25 can provide a maximum output current of 150mA.

  4. Q: Can the MAX1735EUK25 be used in battery-powered applications? A: Yes, the low dropout voltage and low quiescent current make it suitable for battery-powered applications.

  5. Q: Does the MAX1735EUK25 have built-in thermal shutdown protection? A: Yes, the MAX1735EUK25 has built-in thermal shutdown protection to prevent overheating.

  6. Q: Is the MAX1735EUK25 available in different package options? A: Yes, the MAX1735EUK25 is available in a SOT23-5 package.

  7. Q: Can the MAX1735EUK25 operate in a wide temperature range? A: Yes, the MAX1735EUK25 can operate in a temperature range of -40°C to +85°C.

  8. Q: What is the dropout voltage of the MAX1735EUK25? A: The dropout voltage of the MAX1735EUK25 is typically 120mV at 150mA load current.

  9. Q: Does the MAX1735EUK25 require any external components for operation? A: Yes, the MAX1735EUK25 requires input and output capacitors for stability.

  10. Q: Can the MAX1735EUK25 be used in automotive applications? A: Yes, the MAX1735EUK25 is suitable for automotive applications as it meets the AEC-Q100 standard.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.