Linear Technology/QD Devices
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LT3507AIFE

LT3507AIFE

Product Overview

Category

LT3507AIFE belongs to the category of integrated circuits (ICs).

Use

The LT3507AIFE is commonly used as a step-up DC/DC converter.

Characteristics

  • High efficiency
  • Low quiescent current
  • Wide input voltage range
  • Adjustable output voltage
  • Internal soft-start
  • Thermal shutdown

Package

LT3507AIFE is available in an 16-pin TSSOP package.

Essence

The essence of LT3507AIFE lies in its ability to efficiently convert a lower input voltage to a higher output voltage.

Packaging/Quantity

LT3507AIFE is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 30V
  • Output Voltage Range: 4V to 30V
  • Switching Frequency: 1MHz
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. SW: Switching node connection
  3. GND: Ground reference
  4. FB: Feedback pin for output voltage regulation
  5. SS: Soft-start capacitor connection
  6. VCC: Supply voltage for internal circuitry
  7. PGND: Power ground connection
  8. EN: Enable pin for turning on/off the converter
  9. LX: Inductor connection
  10. BST: Boost capacitor connection
  11. COMP: Compensation pin for loop stability
  12. RT: Timing resistor connection for switching frequency control
  13. AGND: Analog ground connection
  14. SYNC: Synchronization input pin
  15. SS/TRK: Soft-start/tracking capacitor connection
  16. VOUT: Output voltage pin

Functional Features

  • High efficiency conversion
  • Adjustable output voltage through feedback regulation
  • Internal soft-start for controlled startup
  • Thermal shutdown protection
  • Synchronization capability with external clock signal

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power loss
  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage provides flexibility
  • Internal soft-start ensures smooth startup
  • Thermal shutdown protects against overheating

Disadvantages

  • Limited maximum output voltage range
  • Requires external components for operation
  • Synchronization feature may not be necessary in all applications

Working Principles

The LT3507AIFE operates as a step-up DC/DC converter by utilizing an inductor to store energy during the switch-on period and release it to the output during the switch-off period. This process efficiently boosts the input voltage to a higher output voltage level.

Detailed Application Field Plans

LT3507AIFE finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - Automotive systems - Industrial equipment - Telecommunications

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LT3507AIFE are: - LT3494 - LT3480 - LT3573 - LT3467 - LT3479

These models offer similar functionality and characteristics, providing options for different design requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LT3507AIFE en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LT3507AIFE in technical solutions:

  1. Q: What is the LT3507AIFE? A: The LT3507AIFE is a high-efficiency, synchronous buck-boost DC/DC converter IC.

  2. Q: What is the input voltage range of the LT3507AIFE? A: The LT3507AIFE has an input voltage range of 2.5V to 16V.

  3. Q: What is the output voltage range of the LT3507AIFE? A: The LT3507AIFE can provide an adjustable output voltage from 1.8V to 30V.

  4. Q: What is the maximum output current of the LT3507AIFE? A: The LT3507AIFE can deliver up to 2A of continuous output current.

  5. Q: Can the LT3507AIFE operate in both buck and boost modes? A: Yes, the LT3507AIFE can operate in either buck or boost mode, allowing it to step up or step down the input voltage.

  6. Q: Does the LT3507AIFE require external compensation components? A: No, the LT3507AIFE is internally compensated and does not require any external compensation components.

  7. Q: Is the LT3507AIFE suitable for battery-powered applications? A: Yes, the LT3507AIFE is well-suited for battery-powered applications due to its wide input voltage range and high efficiency.

  8. Q: What is the operating frequency of the LT3507AIFE? A: The LT3507AIFE operates at a fixed frequency of 1.2MHz.

  9. Q: Does the LT3507AIFE have built-in protection features? A: Yes, the LT3507AIFE includes features like overcurrent protection, thermal shutdown, and undervoltage lockout.

  10. Q: What package does the LT3507AIFE come in? A: The LT3507AIFE is available in a 16-lead TSSOP package.

Please note that these answers are general and may vary depending on the specific application and design considerations.