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LT3507IUHF

LT3507IUHF

Product Overview

Category

LT3507IUHF belongs to the category of integrated circuits (ICs).

Use

The LT3507IUHF is commonly used as a voltage regulator in various electronic devices.

Characteristics

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

Package

LT3507IUHF is available in a small 16-pin QFN package.

Essence

The essence of LT3507IUHF lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

LT3507IUHF is typically sold in reels, with each reel containing a specific quantity of ICs.

Specifications

  • Input Voltage Range: 2.5V to 45V
  • Output Voltage Range: 1.24V to 40V
  • Maximum Output Current: 3A
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. SW: Switching node connection
  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 pin
  8. SYNC: Synchronization input pin
  9. RT: Timing resistor connection for switching frequency control
  10. CT: Timing capacitor connection for switching frequency control
  11. EN: Enable pin for turning the regulator on/off
  12. SS/TRK: Soft-start/tracking capacitor connection
  13. VOUT: Output voltage pin
  14. VFB: Feedback voltage pin
  15. COMP: Compensation pin for stability control
  16. BST: Boost capacitor connection

Functional Features

  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage provides flexibility in different scenarios
  • High efficiency ensures minimal power loss
  • Overcurrent protection safeguards the circuit from excessive current
  • Thermal shutdown protection prevents overheating and damage

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range enables compatibility with various power sources
  • Adjustable output voltage offers versatility
  • Overcurrent and thermal shutdown protection enhance reliability

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications
  • Complex pin configuration requires careful attention during installation

Working Principles

LT3507IUHF operates as a step-down voltage regulator. It takes an input voltage within the specified range and converts it to a lower, regulated output voltage. This is achieved through a combination of switching elements, control circuitry, and feedback mechanisms.

Detailed Application Field Plans

LT3507IUHF finds application in various electronic devices, including but not limited to: - Battery-powered devices - Automotive electronics - Industrial equipment - Telecommunications systems - Power supply modules

Detailed and Complete Alternative Models

  1. LT3507A: Similar specifications and features, with minor differences in package type
  2. LT3507B: Enhanced version with higher maximum output current and additional protection features
  3. LT3507C: Compact variant with reduced pin count and simplified functionality

These alternative models provide options based on specific requirements and constraints.

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技術ソリューションにおける LT3507IUHF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LT3507IUHF in technical solutions:

  1. Q: What is the LT3507IUHF? A: The LT3507IUHF is a high-frequency, synchronous step-down DC/DC converter designed for use in various technical applications.

  2. Q: What is the input voltage range of the LT3507IUHF? A: The input voltage range of the LT3507IUHF is typically between 2.5V and 45V.

  3. Q: What is the output voltage range of the LT3507IUHF? A: The output voltage range of the LT3507IUHF can be adjusted from 0.8V to VIN.

  4. Q: What is the maximum output current of the LT3507IUHF? A: The LT3507IUHF can deliver a maximum output current of up to 2A.

  5. Q: Is the LT3507IUHF suitable for battery-powered applications? A: Yes, the LT3507IUHF is suitable for battery-powered applications as it has low quiescent current and high efficiency.

  6. Q: Does the LT3507IUHF have built-in protection features? A: Yes, the LT3507IUHF includes features like overvoltage protection, thermal shutdown, and current limit protection.

  7. Q: Can the LT3507IUHF operate at high temperatures? A: Yes, the LT3507IUHF is designed to operate at extended temperature ranges, typically from -40°C to 125°C.

  8. Q: What type of package does the LT3507IUHF come in? A: The LT3507IUHF is available in a compact 16-lead QFN package.

  9. Q: Can the LT3507IUHF be used in automotive applications? A: Yes, the LT3507IUHF is suitable for automotive applications as it meets the necessary automotive standards.

  10. Q: Are there any evaluation boards or reference designs available for the LT3507IUHF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs to help users get started with the LT3507IUHF in their applications.

Please note that the answers provided here 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.