Linear Technology/Analog Devices
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LT3689IMSE#PBF
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LT3689IMSE#PBF

Product Overview

Category

LT3689IMSE#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • High efficiency voltage regulator
  • Wide input voltage range
  • Adjustable output voltage
  • Low quiescent current
  • Thermal shutdown protection

Package

LT3689IMSE#PBF is available in a small MSOP-10 package.

Essence

The essence of LT3689IMSE#PBF lies in its ability to efficiently regulate voltage in various power management applications.

Packaging/Quantity

This product is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 18V
  • Output Voltage Range: 1.21V to VIN
  • Quiescent Current: 40µA
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for adjusting output voltage
  4. SW: Switching node pin
  5. SS: Soft-start capacitor pin
  6. PGND: Power ground pin
  7. VOUT: Output voltage pin
  8. EN: Enable pin
  9. NC: No connection
  10. BST: Boost capacitor pin

Functional Features

  • High efficiency step-down converter
  • Adjustable output voltage through feedback pin
  • Enable pin for on/off control
  • Soft-start function for controlled startup
  • Overcurrent and thermal shutdown protection

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile applications
  • High efficiency results in reduced power dissipation
  • Adjustable output voltage provides flexibility
  • Low quiescent current minimizes power consumption
  • Thermal shutdown protection ensures safe operation

Disadvantages

  • Limited maximum output current
  • Requires external components for proper operation

Working Principles

LT3689IMSE#PBF operates as a step-down converter, converting a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency. The feedback pin allows the user to adjust the output voltage according to their requirements. The enable pin controls the on/off state of the device, while the soft-start function ensures a controlled startup. Overcurrent and thermal shutdown protection mechanisms safeguard the circuit from potential damage.

Detailed Application Field Plans

LT3689IMSE#PBF finds applications in various fields, including: 1. Portable electronic devices 2. Battery-powered systems 3. Industrial automation 4. Automotive electronics 5. Telecommunications equipment

Detailed and Complete Alternative Models

  1. LT3689AMSE#PBF
  2. LT3689BMSE#PBF
  3. LT3689CMSE#PBF
  4. LT3689DMSE#PBF
  5. LT3689EMSE#PBF

These alternative models offer similar functionality and characteristics to LT3689IMSE#PBF, providing users with options based on their specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LT3689IMSE#PBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LT3689IMSE#PBF in technical solutions:

  1. Question: What is the LT3689IMSE#PBF?
    Answer: The LT3689IMSE#PBF is a step-down (buck) switching regulator IC manufactured by Linear Technology (now part of Analog Devices). It is designed for use in various technical solutions that require efficient power conversion.

  2. Question: What is the input voltage range of the LT3689IMSE#PBF?
    Answer: The LT3689IMSE#PBF can accept an input voltage range from 2.7V to 36V, making it suitable for a wide range of applications.

  3. Question: What is the output voltage range of the LT3689IMSE#PBF?
    Answer: The LT3689IMSE#PBF can provide an adjustable output voltage range from 0.6V to VIN, where VIN is the input voltage.

  4. Question: What is the maximum output current of the LT3689IMSE#PBF?
    Answer: The LT3689IMSE#PBF can deliver a maximum output current of up to 2A, depending on the input and output voltage conditions.

  5. Question: Does the LT3689IMSE#PBF have built-in protection features?
    Answer: Yes, the LT3689IMSE#PBF includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.

  6. Question: Can the LT3689IMSE#PBF operate in a wide temperature range?
    Answer: Yes, the LT3689IMSE#PBF is designed to operate in a temperature range from -40°C to 125°C, making it suitable for both industrial and automotive applications.

  7. Question: What is the efficiency of the LT3689IMSE#PBF?
    Answer: The LT3689IMSE#PBF has a high efficiency of up to 95%, which helps minimize power losses and maximize battery life in portable devices.

  8. Question: Can the LT3689IMSE#PBF be used in battery-powered applications?
    Answer: Yes, the LT3689IMSE#PBF is well-suited for battery-powered applications due to its low quiescent current and ability to operate at low input voltages.

  9. Question: Does the LT3689IMSE#PBF require external components for operation?
    Answer: Yes, the LT3689IMSE#PBF requires external components such as inductors, capacitors, and resistors to form a complete switching regulator circuit.

  10. Question: Are there any application notes or reference designs available for the LT3689IMSE#PBF?
    Answer: Yes, Analog Devices provides application notes and reference designs on their website that can help users understand and implement the LT3689IMSE#PBF in various technical solutions.