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LTC3851AEMSE-1#PBF
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LTC3851AEMSE-1#PBF

Product Overview

The LTC3851AEMSE-1#PBF belongs to the category of high-performance synchronous step-down DC/DC controller. It is commonly used in power management applications and is known for its high efficiency, compact package, and versatile features. The LTC3851AEMSE-1#PBF comes in a small package and is designed to provide efficient power conversion in various electronic devices.

Basic Information

  • Category: Power Management IC
  • Use: Step-down DC/DC controller
  • Characteristics: High efficiency, compact package
  • Package: 16-Lead MSOP
  • Essence: Efficient power conversion
  • Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

  • Input Voltage Range: 4.5V to 38V
  • Output Voltage Range: 0.6V to 5.5V
  • Switching Frequency Range: 200kHz to 3MHz
  • Operating Temperature Range: -40°C to 125°C
  • Quiescent Current: 85µA

Detailed Pin Configuration

The LTC3851AEMSE-1#PBF features a 16-pin MSOP package with the following pin configuration: 1. VIN 2. GND 3. FB 4. SS/TR 5. SYNC/MODE 6. RT/CLKOUT 7. VCC 8. PGATE 9. TGATE 10. BOOT 11. PHASE 12. ITH 13. COMP 14. SS 15. SS 16. VOUT

Functional Features

  • Wide input voltage range
  • Adjustable output voltage
  • Synchronous rectification
  • Programmable soft-start
  • Power good signal
  • Precision enable input

Advantages and Disadvantages

Advantages

  • High efficiency
  • Wide input voltage range
  • Compact package size
  • Versatile features

Disadvantages

  • Higher cost compared to non-synchronous controllers
  • Requires careful PCB layout for optimal performance

Working Principles

The LTC3851AEMSE-1#PBF operates on the principle of synchronous step-down conversion, where it efficiently regulates the input voltage to a lower, stable output voltage. This is achieved through the use of synchronous rectification and advanced control algorithms to maximize efficiency and minimize power loss.

Detailed Application Field Plans

The LTC3851AEMSE-1#PBF is well-suited for a wide range of applications including: - Industrial power supplies - Automotive electronics - Telecommunications equipment - Server and networking systems - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models to the LTC3851AEMSE-1#PBF include: - LT8610ABEMSE-1#PBF - LTC7800EMSE-1#PBF - LT8645S-1EMSE-1#PBF - LTC3871EMS-1#PBF

In conclusion, the LTC3851AEMSE-1#PBF is a high-performance synchronous step-down DC/DC controller that offers efficient power conversion, versatile features, and compact packaging, making it an ideal choice for various power management applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC3851AEMSE-1#PBF en soluciones técnicas

  1. What is the LTC3851AEMSE-1#PBF?

    • The LTC3851AEMSE-1#PBF is a high-performance synchronous step-down DC/DC controller designed to regulate output voltages as low as 0.6V.

  2. What are the key features of LTC3851AEMSE-1#PBF?

    • Some key features include wide input voltage range, high efficiency, adjustable frequency and phase synchronization, and precision enable input.

  3. What are the typical applications for LTC3851AEMSE-1#PBF?

    • Typical applications include point-of-load regulation, telecom and datacom systems, industrial and medical equipment, and general-purpose power supply systems.

  4. What is the maximum input voltage supported by LTC3851AEMSE-1#PBF?

    • The LTC3851AEMSE-1#PBF supports a maximum input voltage of 80V.

  5. What is the output current capability of LTC3851AEMSE-1#PBF?

    • The LTC3851AEMSE-1#PBF can support output currents up to 20A.

  6. Does LTC3851AEMSE-1#PBF have overcurrent protection?

    • Yes, it has cycle-by-cycle current limit and overcurrent foldback protection.

  7. Can LTC3851AEMSE-1#PBF be synchronized to an external clock?

    • Yes, it can be synchronized to an external clock signal.

  8. What is the operating temperature range of LTC3851AEMSE-1#PBF?

    • The operating temperature range is from -40°C to 125°C.

  9. Does LTC3851AEMSE-1#PBF have thermal shutdown protection?

    • Yes, it has thermal shutdown protection to prevent damage from excessive heat.

  10. Is LTC3851AEMSE-1#PBF RoHS compliant?

    • Yes, LTC3851AEMSE-1#PBF is RoHS compliant, making it suitable for environmentally conscious designs.