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LT3756EMSE-2#TRPBF
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LT3756EMSE-2#TRPBF

Product Overview

Category

The LT3756EMSE-2#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • The LT3756EMSE-2#TRPBF is a high voltage, current mode DC/DC controller.
  • It operates over a wide input voltage range and can regulate output voltages up to 100V.
  • This IC is designed to drive an external N-channel MOSFET for high efficiency step-down conversions.
  • It offers various protection features such as input and output undervoltage lockout, overvoltage protection, and thermal shutdown.

Package

The LT3756EMSE-2#TRPBF comes in a small MSOP-16 package.

Essence

The essence of this product lies in its ability to efficiently control and regulate high voltage DC/DC conversions.

Packaging/Quantity

The LT3756EMSE-2#TRPBF is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 100V
  • Output Voltage Range: Up to 100V
  • Maximum Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: MSOP-16

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground reference pin
  3. FB: Feedback pin for regulating the output voltage
  4. COMP: Compensation pin for loop stability
  5. SS/TR: Soft-start/tracking pin for controlling the startup behavior
  6. VCC: Supply voltage pin for internal circuitry
  7. SYNC: Synchronization pin for external clock synchronization
  8. RT/CLKOUT: External resistor connection for setting the switching frequency or generating a clock output
  9. SW: Switch node pin for connecting the external N-channel MOSFET
  10. PGND: Power ground reference pin
  11. VSENSE: Current sense pin for monitoring the inductor current
  12. SS/TR2: Additional soft-start/tracking pin
  13. BST: Bootstrap pin for driving the high-side gate driver
  14. LX: Inductor connection pin
  15. OVLO: Overvoltage lockout pin
  16. UVLO: Undervoltage lockout pin

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High voltage capability enables efficient step-down conversions.
  • Current mode control provides excellent line and load regulation.
  • Integrated protection features ensure safe operation.
  • Soft-start functionality prevents excessive inrush current during startup.
  • Synchronization capability allows for system-level coordination.

Advantages and Disadvantages

Advantages

  • Wide input voltage range enables flexibility in power management applications.
  • High voltage capability allows for efficient conversion of higher voltage sources.
  • Comprehensive protection features enhance system reliability.
  • Compact MSOP-16 package facilitates space-constrained designs.

Disadvantages

  • Limited to step-down (buck) converter applications.
  • Requires an external N-channel MOSFET for operation.

Working Principles

The LT3756EMSE-2#TRPBF operates as a current mode DC/DC controller. It regulates the output voltage by controlling the duty cycle of an external N-channel MOSFET. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle accordingly to maintain the desired voltage level. The compensation pin (COMP) is used to stabilize the control loop and ensure proper transient response. The IC incorporates various protection features such as undervoltage lockout, overvoltage protection, and thermal shutdown to safeguard the system.

Detailed Application Field Plans

The LT3756EMSE-2#TRPBF finds applications in various power management scenarios, including but not limited to: - Industrial power supplies - Automotive systems - LED lighting - Telecom infrastructure - Battery charging systems

Detailed and Complete Alternative Models

  1. LT3756EMSE-1#TRPBF: Similar to LT3756EMSE-2#TRPBF, but with different pin configuration.
  2. LT3756IMSE-2#TRPBF: Improved version with extended temperature range (-40°C to 150°C).
  3. LT3756HMSE-2#TRPBF: High voltage variant capable of regulating output voltages up to 150V.

(Note: This list is not exhaustive and other alternative models may exist.)

In conclusion, the LT3756EMSE-2#TRPBF is a versatile high voltage DC/DC controller IC that offers efficient power management solutions across various industries. With its wide input voltage range, comprehensive protection features, and compact package, it provides an excellent choice for applications requiring precise voltage regulation and reliable

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LT3756EMSE-2#TRPBF dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of LT3756EMSE-2#TRPBF in technical solutions:

  1. Q: What is the LT3756EMSE-2#TRPBF? A: The LT3756EMSE-2#TRPBF is a high voltage, high current step-down DC/DC controller designed for various applications.

  2. Q: What is the input voltage range of the LT3756EMSE-2#TRPBF? A: The input voltage range of the LT3756EMSE-2#TRPBF is from 4V to 60V.

  3. Q: What is the maximum output current of the LT3756EMSE-2#TRPBF? A: The LT3756EMSE-2#TRPBF can deliver a maximum output current of up to 20A.

  4. Q: Can the LT3756EMSE-2#TRPBF be used for battery charging applications? A: Yes, the LT3756EMSE-2#TRPBF can be used for battery charging applications as it supports constant-current and constant-voltage charging modes.

  5. Q: Does the LT3756EMSE-2#TRPBF have built-in protection features? A: Yes, the LT3756EMSE-2#TRPBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  6. Q: What is the switching frequency of the LT3756EMSE-2#TRPBF? A: The LT3756EMSE-2#TRPBF operates at a fixed switching frequency of 200kHz.

  7. Q: Can the LT3756EMSE-2#TRPBF be synchronized with an external clock? A: Yes, the LT3756EMSE-2#TRPBF can be synchronized with an external clock using the SYNC pin.

  8. Q: What type of control loop does the LT3756EMSE-2#TRPBF use? A: The LT3756EMSE-2#TRPBF uses a voltage-mode control loop.

  9. Q: Can the LT3756EMSE-2#TRPBF operate in a wide temperature range? A: Yes, the LT3756EMSE-2#TRPBF is designed to operate in a temperature range from -40°C to 125°C.

  10. Q: Are there any evaluation boards or reference designs available for the LT3756EMSE-2#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for the LT3756EMSE-2#TRPBF that can help users get started with 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 application notes for detailed information.