LT3471EDD#TRPBF

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LT3471EDD#TRPBF

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IC REG MULT CONFG ADJ DL 10DFN

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Up, Step-Up/Step-Down
OutputConfiguration Positive and Negative (Dual Rail)
Topology Boost, Cuk, Flyback, SEPIC
OutputType Adjustable
NumberofOutputs 2
Voltage-Input(Min) 2.1V
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) ±1V
Voltage-Output(Max) ±40V
Current-Output 1.3A
Frequency-Switching 1.2MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 10-WFDFN Exposed Pad

Tổng quan

Description

The LT3471EDD#TRPBF is a dual switching regulator from Analog Devices, designed for efficient power conversion in compact applications. It features two independent channels: a step-down (buck) converter and a step-up (boost) converter. This flexibility allows it to provide both positive and negative voltages from a single IC, suitable for powering a variety of devices.
Key specifications include an operating input voltage range typically from 2.4V to 25V, making it versatile for battery-powered and other low-voltage sources. The device can deliver up to 1.4A of output current, with high efficiency due to its low quiescent current and internal power switches. It also includes features like soft-start, over-temperature protection, and current limiting to enhance reliability and performance.
The LT3471EDD#TRPBF is housed in a thermally enhanced 10-lead DFN package, which aids in heat dissipation, making it ideal for space-constrained designs. Overall, it's well-suited for applications in telecommunications, industrial equipment, and portable electronics.

Equivalent

The LT3471EDD#TRPBF is a dual, high-efficiency step-up/step-down DC/DC converter from Analog Devices (formerly Linear Technology). Equivalent products include:
1. Texas Instruments TPS63001, a high-efficiency, buck-boost converter.
2. Maxim Integrated MAX1703, a dual, step-up DC/DC converter.
3. ON Semiconductor NCP3020, a similar boost converter.
Ensure compatibility with your specific application requirements, as specifications may vary. Always consult datasheets for detailed comparison.

Features

The LT3471EDD#TRPBF is a dual-channel DC/DC converter from Analog Devices. Key features include:
1. Configuration: It comprises a boost (step-up) and an inverting converter, allowing for versatile power supply configurations.
2. Input Voltage: It operates over a wide input voltage range of 2.4V to 16V.
3. Output Voltage: The boost converter can output up to 40V, while the inverting converter can generate down to -40V.
4. Switch Current: It features a 3A switch current limit.
5. Frequency: The device operates at a fixed frequency of 1.2MHz, facilitating small external components and compact design.
6. Efficiency: High efficiency is achieved with low quiescent current and internal Schottky diodes.
7. Protection: It includes features like overtemperature protection and current limiting for robustness.
8. Packaging: The device is available in a thermally enhanced 10-lead (3mm × 3mm) DFN package.
These features make the LT3471EDD#TRPBF suitable for applications requiring dual-output power supplies and compact designs.

Pinout

The LT3471EDD#TRPBF is a dual-channel DC/DC converter manufactured by Analog Devices. It comes in a 10-lead (pin) DFN (Dual Flat No-leads) package. The primary function of the LT3471 is to provide two independently controlled switching regulators, each capable of delivering output voltages that can be either higher or lower than the input voltage, depending on the configuration. It is commonly used in applications requiring efficient power supply solutions, including battery-powered devices and portable electronics. Each channel can function as a step-up (boost) or inverting converter. The LT3471 features high efficiency, low shutdown current, and internal compensation, making it suitable for compact designs.

Manufacturer

The LT3471EDD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs and manufactures a broad range of integrated circuits used in electronic equipment. The company specializes in data conversion, signal processing, and power management technology. Analog Devices' products are widely used in various applications, including industrial, communication, automotive, and consumer electronics.

Application

The LT3471EDD#TRPBF is a dual step-up DC/DC converter designed for applications that require efficient power conversion and compact size. Its application areas include:
1. Portable Electronics: Used in devices like smartphones, tablets, and other battery-powered gadgets for boosting battery voltage.
2. LCD Bias Supplies: Provides power for LCD panels in both consumer electronics and industrial equipment.
3. LED Drivers: Powers high-brightness LED lighting in portable and automotive applications.
4. Medical Devices: Utilized in battery-operated medical instruments.
5. Telecommunications: Supports power supply requirements in telecom devices and infrastructure.
The device is ideal where space is limited and efficient power conversion is crucial.

Package

The LT3471EDD#TRPBF is a DC-DC converter IC from Analog Devices, packaged in a 10-lead Plastic DFN (Dual Flat No-Lead) package. This package type offers a compact form factor for surface-mount applications, enhancing thermal performance and electrical characteristics.

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