LT3667IMSE#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 LT3667IMSE#TRPBF is a high efficiency step-down DC/DC converter designed for power management applications. It provides an adjustable output voltage from a wide input voltage range, making it suitable for various electronic devices.

Packaging/Quantity: The LT3667IMSE#TRPBF is available in a MSOP-16E package. It is typically sold in reels of 2500 units.

Specifications

Input Voltage Range: 2.5V to 40V
Output Voltage Range: 1.24V to VIN
Maximum Output Current: 2A
Switching Frequency: 1MHz
Quiescent Current: 50µA
Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3667IMSE#TRPBF has the following pin configuration:

SW: Switch Node Connection
GND: Ground
FB: Feedback Voltage Input
VCC: Supply Voltage Input
SS/TRK: Soft-Start/Tracking Control
SYNC: External Clock Synchronization
PG: Power Good Indicator
EN: Enable Pin
VOUT: Output Voltage
VOUT: Output Voltage
VOUT: Output Voltage
VOUT: Output Voltage
VOUT: Output Voltage
VOUT: Output Voltage
VOUT: Output Voltage
VOUT: Output Voltage

Functional Features

High efficiency step-down DC/DC conversion
Adjustable output voltage for flexibility
Internal compensation simplifies design
Synchronous rectification improves efficiency
Soft-start and tracking capability for controlled startup
Power good indicator for system monitoring
Enable pin for power management control

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Low quiescent current - Compact MSOP-16E package - Internal compensation for simplified design - Synchronous rectification for improved efficiency - Soft-start and tracking capability for controlled startup

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

Working Principles

The LT3667IMSE#TRPBF is a step-down DC/DC converter that uses a high frequency switching technique to efficiently convert a higher input voltage to a lower output voltage. It employs a synchronous rectification scheme to minimize power losses and improve overall efficiency.

The device operates by controlling the duty cycle of the internal switch to regulate the output voltage. The feedback voltage is compared to a reference voltage, and the duty cycle is adjusted accordingly to maintain the desired output voltage.

The LT3667IMSE#TRPBF also features soft-start and tracking capability, allowing for controlled startup and voltage tracking in multi-rail systems. It has an enable pin for power management control and a power good indicator for system monitoring.

Detailed Application Field Plans

The LT3667IMSE#TRPBF is suitable for a wide range of power management applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial equipment - Automotive electronics - Telecommunications equipment - LED lighting systems

Detailed and Complete Alternative Models

LT3667IMSE#PBF: Same specifications, different package (MSOP-16)
LT3667HMSE#TRPBF: Higher maximum output current (3A), same package (MSOP-16E)
LT3667IMSE#TRMPBF: Same specifications, tape and reel packaging (reel of 2500 units)

These alternative models offer similar functionality and can be considered as substitutes for the LT3667IMSE#TRPBF depending on specific requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3667IMSE#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT3667IMSE#TRPBF in technical solutions:

Q: What is the LT3667IMSE#TRPBF? A: The LT3667IMSE#TRPBF is a high voltage, step-down DC/DC converter designed for use in various technical solutions.
Q: What is the input voltage range of the LT3667IMSE#TRPBF? A: The input voltage range of the LT3667IMSE#TRPBF is from 4V to 40V.
Q: What is the output voltage range of the LT3667IMSE#TRPBF? A: The output voltage range of the LT3667IMSE#TRPBF is from 0.8V to 18V.
Q: What is the maximum output current of the LT3667IMSE#TRPBF? A: The maximum output current of the LT3667IMSE#TRPBF is 2A.
Q: Can the LT3667IMSE#TRPBF operate in a wide temperature range? A: Yes, the LT3667IMSE#TRPBF can operate in a temperature range from -40°C to 125°C.
Q: Is the LT3667IMSE#TRPBF suitable for battery-powered applications? A: Yes, the LT3667IMSE#TRPBF is suitable for battery-powered applications due to its low quiescent current and high efficiency.
Q: Does the LT3667IMSE#TRPBF have built-in protection features? A: Yes, the LT3667IMSE#TRPBF has built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can the LT3667IMSE#TRPBF be used in automotive applications? A: Yes, the LT3667IMSE#TRPBF is suitable for automotive applications as it meets the necessary automotive standards.
Q: What type of package does the LT3667IMSE#TRPBF come in? A: The LT3667IMSE#TRPBF comes in a 16-lead MSOP package.
Q: Are there any evaluation boards or reference designs available for the LT3667IMSE#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for the LT3667IMSE#TRPBF to help with its implementation in 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.