LTC3414EFE

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LTC3414EFE

IC REG BUCK ADJ 4A SYNC 20TSSOP

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規格

Package Bulk
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2.25V
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 5V
Current-Output 4A
Frequency-Switching 1MHz
SynchronousRectifier Yes
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width) Exposed Pad

概述

Description

The LTC3414EFE is a high-efficiency, monolithic synchronous step-down regulator produced by Linear Technology (now part of Analog Devices). It is designed to deliver up to 4A output current from input voltages ranging from 2.25V to 5.5V, making it suitable for applications in portable electronics and other devices requiring compact power solutions.
The regulator operates with a fixed frequency of 1.5MHz, which allows the use of small external components and enables fast transient response. Its efficiency is enhanced by the use of synchronous rectification, reducing power losses. The LTC3414EFE features a programmable output voltage via an external resistor divider, allowing flexibility for various applications.
Additional features include current mode control for excellent line and load transient response, soft-start capability to limit inrush current during startup, and over-temperature and over-current protection to ensure reliability. The device is housed in a thermally enhanced 16-lead TSSOP package, making it suitable for space-constrained designs. Overall, the LTC3414EFE is a versatile and efficient solution for DC-DC conversion needs.

Features

The LTC3414EFE is a high-efficiency, monolithic synchronous step-down regulator. It operates with a wide input voltage range of 2.25V to 5.5V, making it suitable for single cell lithium-ion batteries and other low voltage applications. Some key features include:
1. Output Current: Capable of delivering up to 4A continuous output current.
2. Efficiency: Achieves efficiencies of up to 95%, thanks to its synchronous rectification design.
3. Switching Frequency: Offers a constant frequency operation selectable from 300kHz to 4MHz, allowing for a trade-off between efficiency and size of external components.
4. Output Voltage: Adjustable output voltage with a range from 0.8V to the input voltage.
5. Control Architecture: Utilizes a current mode control architecture for fast transient response and stability.
6. Soft-Start Feature: Programmable soft-start minimizes inrush current during startup.
7. Protection: Includes features like overcurrent protection, short-circuit protection, and thermal shutdown.
8. Package: Available in a compact 16-lead exposed pad thermally enhanced TSSOP package, making it suitable for space-constrained applications.
Overall, the LTC3414EFE is designed for applications requiring efficient power conversion with precise output control in a compact footprint.

Package

The LTC3414EFE is housed in a 16-lead TSSOP (Thermally Enhanced Thin Shrink Small Outline Package) with an exposed pad for improved thermal performance.

Pinout

The LTC3414EFE is a high-efficiency monolithic synchronous step-down regulator. It comes in a 24-lead (or pin) exposed pad TSSOP (Thin Shrink Small Outline Package). The pins serve various functions necessary for the device's operation, including input and output voltage connections, power ground, feedback for voltage regulation, control for shutdown, and compensation for stability, among others. This regulator is designed to deliver up to 4A output current with high efficiency. It operates from an input voltage range of 2.25V to 5.5V and provides an adjustable output voltage down to 0.8V. The function of each pin typically involves power input, ground connection, output voltage adjustment, feedback loop stability, and synchronization with external circuitry. For precise functions of each pin, it is advisable to consult the official datasheet or technical documentation of the LTC3414EFE.

Manufacturer

The LTC3414EFE is manufactured by Analog Devices, Inc., a company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. Analog Devices provides solutions for a wide range of applications, including communications, computing, industrial, automotive, and consumer electronics. They are well-known for their expertise in high-performance signal processing technologies.

Application

The LTC3414EFE is a high-efficiency, monolithic synchronous step-down regulator. It is suitable for applications requiring efficient power management, such as point-of-load power supplies, distributed power systems, and battery-powered devices. Its high switching frequency and low output voltage capability make it ideal for powering FPGAs, DSPs, microprocessors, and other digital ICs. Additionally, it can be used in telecommunications, automotive, and industrial equipment for stable voltage regulation.

Equivalent

The LTC3414EFE is a high-efficiency, monolithic synchronous step-down regulator. Equivalent products from other manufacturers might include:
1. Texas Instruments' TPS5430
2. ON Semiconductor's NCP3170
3. Microchip's MCP16301
4. Maxim Integrated's MAX17501
These products offer similar functionalities but specifications might vary, so it’s important to check the datasheets for compatibility with your specific application requirements.

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