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LTC3406BES5-1.8

Name: LTC3406BES5-1.8
Rating: 4.7 (12 reviews)

Switching Voltage Regulators LTC3406B - 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT

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資料表 LTC3406BES5-1.8 DataSheet
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概述

Description

The LTC3406BES5-1.8 is a highly efficient, low-voltage step-down (buck) DC-DC converter designed by Analog Devices. It operates with an input voltage range of 2.5V to 5.5V and delivers a fixed output voltage of 1.8V. With a maximum output current of 1A, it is ideal for powering low-voltage devices such as microcontrollers, sensors, and portable electronics.
Key features include a high efficiency of up to 95%, low quiescent current, and a small footprint, which makes it suitable for space-constrained applications. The device uses a constant frequency, current-mode architecture that provides excellent line and load regulation. It also includes features like thermal shutdown, overcurrent protection, and soft-start functionality to ensure reliable operation.
The LTC3406BES5-1.8 is offered in a compact 5-lead SOT-23 package, making it easy to integrate into various designs. Its combination of efficiency, performance, and size makes it a popular choice in battery-powered applications.

Features

The LTC3406BES5-1.8 is a high-efficiency, step-down DC-DC converter designed for low-power applications. Key features include:
1. Output Voltage: Fixed output voltage of 1.8V.
2. Input Voltage Range: Operates from 2.5V to 5.5V, suitable for a variety of power sources.
3. High Efficiency: Achieves up to 95% efficiency, reducing heat generation and improving battery life.
4. Output Current: Capable of delivering up to 1A output current.
5. Low Quiescent Current: Features low quiescent current, ideal for battery-operated devices.
6. Small Size: Available in a 5-lead SOT-23 package, making it suitable for compact designs.
7. Built-in Soft-Start: Reduces inrush current during startup.
8. Overtemperature Protection: Ensures reliability under adverse conditions.
9. Short-Circuit Protection: Provides safety for the device and load.
These features make the LTC3406BES5-1.8 a versatile choice for applications such as portable electronics, sensors, and battery-powered devices.

Package

The LTC3406BES5-1.8 is packaged in a 5-lead SOT-23 (SOT-23-5) package. This compact surface-mount package is designed for space-constrained applications, offering efficient thermal performance and ease of integration on PCB layouts.

Pinout

The LTC3406BES5-1.8 is a step-down (buck) DC-DC converter from Analog Devices, featuring a 5-pin SOT-23 package. The pin configuration and their functions are as follows:
1. VIN: Input voltage supply pin, typically connected to the input power source.
2. GND: Ground connection for the device.
3. SW: Switch node, connected to the inductor and used for the switching operation of the converter.
4. FB: Feedback pin to set the output voltage; connected to a voltage divider from the output.
5. COMP: Compensation pin for frequency compensation and stability of the converter.
This device provides an output voltage of 1.8V and offers high efficiency in a compact design, making it suitable for portable applications.

Manufacturer

The manufacturer of the LTC3406BES5-1.8 is Analog Devices, Inc. (ADI). Analog Devices is a prominent American multinational company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company serves a variety of industries, including communications, automotive, consumer electronics, industrial automation, and healthcare. ADI is known for its high-performance semiconductor solutions, which are used in applications such as signal conditioning, data acquisition, and power management. The LTC3406BES5-1.8 specifically is a step-down (buck) DC-DC converter, highlighting the company's expertise in power management solutions.

Application

The LTC3406BES5-1.8 is a high-efficiency step-down (buck) DC-DC converter, primarily used in battery-powered devices. Its application areas include portable electronics, such as smartphones, tablets, and wearable devices, as well as in power management for microcontrollers, sensors, and RF applications. It is suitable for systems requiring low quiescent current and tight voltage regulation.

Equivalent

Equivalent products to the LTC3406BES5-1.8 include the TPS63060 from Texas Instruments, the MICREL MICROCHIP MICROCHIP MIC24050, and the MCP1640 from Microchip. These alternatives are similar in terms of specifications such as output voltage, input voltage range, and efficiency. Always verify compatibility with your specific application requirements before substituting.