LT3645EMSE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency step-down DC/DC converter - Wide input voltage range - Adjustable output voltage - Low quiescent current - Internal compensation - Synchronous rectification - Soft-start and tracking capability

Package: MSOP-16E

Essence: The LT3645EMSE#TRPBF is a high efficiency step-down DC/DC converter designed for power management applications. It offers a wide input voltage range, adjustable output voltage, and various features to enhance performance.

Packaging/Quantity: The LT3645EMSE#TRPBF is available in an MSOP-16E package. The quantity per reel is 2500 units.

Specifications

Input Voltage Range: 4V to 60V
Output Voltage Range: 0.8V to VIN
Maximum Output Current: 2A
Switching Frequency: 1MHz
Quiescent Current: 80µA
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3645EMSE#TRPBF has the following pin configuration:

SW: Switching Node
GND: Ground
FB: Feedback Voltage Input
VCC: Supply Voltage Input
SS/TRK: Soft-Start/Tracking Control
SYNC/MODE: External Clock Synchronization/Input Voltage Mode Selection
PGND: Power Ground
LX: Inductor Connection
NC: No Connect
NC: No Connect
NC: No Connect
NC: No Connect
NC: No Connect
NC: No Connect
NC: No Connect
VOUT: Output Voltage

Functional Features

High efficiency synchronous rectification
Internal compensation for simplified design
Soft-start and tracking capability for controlled startup
Adjustable output voltage for flexibility
Wide input voltage range for versatile applications
Low quiescent current for improved efficiency

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Internal compensation simplifies design - Soft-start and tracking capability for controlled startup

Disadvantages: - Limited maximum output current (2A) - Requires external clock synchronization for certain applications

Working Principles

The LT3645EMSE#TRPBF is a step-down DC/DC converter that uses a high efficiency synchronous rectification topology. It converts a higher input voltage to a lower output voltage with minimal power loss. The internal compensation circuitry simplifies the design process, while the soft-start and tracking capability ensure controlled startup and accurate output voltage regulation.

Detailed Application Field Plans

The LT3645EMSE#TRPBF can be used in various power management applications, including but not limited to: - Industrial equipment - Automotive systems - Telecom infrastructure - Portable devices - Battery-powered systems

Detailed and Complete Alternative Models

LT3645HMSE#TRPBF: Similar to LT3645EMSE#TRPBF, but with a higher maximum output current of 3A.
LT3645IMSE#TRPBF: Similar to LT3645EMSE#TRPBF, but with a lower maximum output current of 1.5A.
LT3645EMSE-1#TRPBF: Similar to LT3645EMSE#TRPBF, but with an extended temperature range (-40°C to 150°C).

These alternative models offer different specifications and features to cater to specific application requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LT3645EMSE#TRPBF in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of LT3645EMSE#TRPBF in technical solutions:

Q: What is the LT3645EMSE#TRPBF? A: The LT3645EMSE#TRPBF is a high voltage, low quiescent current buck-boost DC/DC converter.
Q: What is the input voltage range of the LT3645EMSE#TRPBF? A: The input voltage range is from 2.5V to 40V.
Q: What is the output voltage range of the LT3645EMSE#TRPBF? A: The output voltage range is from 1.2V to 40V.
Q: What is the maximum output current of the LT3645EMSE#TRPBF? A: The maximum output current is 4A.
Q: Can the LT3645EMSE#TRPBF operate in both buck and boost modes? A: Yes, the LT3645EMSE#TRPBF can operate in both buck and boost modes, allowing it to step up or step down the input voltage.
Q: Does the LT3645EMSE#TRPBF have built-in protection features? A: Yes, the LT3645EMSE#TRPBF has built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: What is the switching frequency of the LT3645EMSE#TRPBF? A: The switching frequency is programmable and can be set between 100kHz and 500kHz.
Q: Can the LT3645EMSE#TRPBF be used in battery-powered applications? A: Yes, the LT3645EMSE#TRPBF is suitable for battery-powered applications due to its low quiescent current and wide input voltage range.
Q: What type of package does the LT3645EMSE#TRPBF come in? A: The LT3645EMSE#TRPBF comes in a 16-lead MSOP package.
Q: Are there any evaluation boards or reference designs available for the LT3645EMSE#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs that can help with the application of the LT3645EMSE#TRPBF in various technical solutions.

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 and support.