LTC3414IFE

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LTC3414IFE

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LTC3414 - MONOLITHIC SYNCHRONOUS

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

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개요

Description

The LTC3414IFE is a high-efficiency, monolithic synchronous step-down DC/DC converter designed by Linear Technology (now part of Analog Devices). It is capable of delivering up to 4A of continuous output current from a 4mm x 5mm QFN package. This converter operates from an input voltage range of 2.25V to 5.5V, making it suitable for single Li-Ion battery-powered applications and point-of-load power supplies.
Key features of the LTC3414IFE include its high efficiency, typically over 95%, and its ability to maintain efficiency across a wide range of loads by using a low-resistance internal synchronous power switch. The device employs a constant frequency, current-mode architecture which minimizes electromagnetic interference (EMI). It also features a programmable operating frequency from 300kHz to 4MHz, allowing designers to optimize efficiency versus external component size. Additional features include soft-start functionality, power-good output, and short-circuit protection, making the LTC3414IFE a robust solution for compact and efficient power management in various electronic applications.

Equivalent

The LTC3414IFE is a high-efficiency, monolithic synchronous step-down regulator. Equivalent products include:
1. TPS54620 by Texas Instruments: A 6A, synchronous step-down converter.
2. MAX17504 by Maxim Integrated: A 4V to 60V, 3.5A, synchronous step-down converter.
3. MP1496 by Monolithic Power Systems: A 4A, high-frequency synchronous step-down converter.
4. LM76003 by Texas Instruments: A 3.5A, synchronous step-down voltage regulator.
Ensure compatibility with your application's specific electrical and thermal requirements.

Features

The LTC3414IFE is a high-efficiency, monolithic synchronous step-down regulator specifically designed for portable electronic devices and applications requiring compact power solutions. Key features include:
1. Output Current: Capable of delivering up to 4A with excellent transient response.
2. Input Voltage Range: Operates from 2.25V to 5.5V, making it ideal for single-cell Li-Ion, multi-cell alkaline, or NiMH applications.
3. Switching Frequency: Adjustable from 300kHz to 4MHz, enabling the use of small external components and allowing for a compact solution size.
4. Efficiency: High efficiency up to 95% is achieved through synchronous rectification.
5. Mode Operation: Features a Burst Mode operation to improve efficiency at light loads and a pulse skip mode to reduce switching losses.
6. Output Voltage: The output can be set as low as 0.8V.
7. Protection Features: Includes over-temperature and over-current protection for reliability.
8. Package: Offered in a 16-lead thermally enhanced TSSOP package.
These features make the LTC3414IFE suitable for power supply designs requiring high efficiency and compact size.

Pinout

The LTC3414IFE is a high-efficiency monolithic synchronous step-down regulator from Analog Devices (formerly Linear Technology). It typically comes in a 16-lead TSSOP package with the following pin functions:
1. VIN: Input supply voltage.
2. SW: Switch node connection to the inductor.
3. PGOOD: Power good indicator output.
4. RUN/SS: Run control and soft-start input.
5. SYNC/MODE: Synchronization and mode selection input.
6. SGND: Signal ground.
7. FB: Feedback voltage input.
8. COMP: Compensation for the error amplifier.
9. ISET: Current limit set point.
10. RSET: Resistor to set switching frequency.
11. RT: Resistor tied to GND to set the frequency.
12. VOUT: Output voltage sense.
13. PGND: Power ground.
14. BOOST: Boost capacitor connection for the high-side switch drive.
15. VOSENSE: Output voltage sense.
16. NC: No connection or reserved for future use.
This device is suitable for high-performance power supply solutions, supporting applications that require compact and efficient voltage regulation.

Manufacturer

The LTC3414IFE is manufactured by Analog Devices, Inc. This company is known for designing and manufacturing semiconductor devices, with a focus on analog, mixed-signal, and digital signal processing technologies. Analog Devices provides solutions in power management, data conversion, signal processing, and more, serving a wide range of industries including automotive, communications, industrial, and healthcare. The company's products are used in applications that require high precision and performance.

Application

The LTC3414IFE is a high-efficiency, monolithic synchronous buck regulator primarily used in applications requiring compact size and low power loss. It is ideal for powering portable electronics, distributed power systems, and point-of-load converters. Its applications include digital signal processors (DSPs), field-programmable gate arrays (FPGAs), and microprocessor core supplies. The device is also suitable for use in wireless communication equipment, networking and telecom infrastructure, automotive electronics, and industrial control systems. Its features such as high efficiency, fast transient response, and adjustable output voltage make it versatile for various applications requiring reliable power management in space-constrained environments.

Package

The LTC3414IFE is packaged in a 16-lead Thermally Enhanced Plastic TSSOP (Thin Shrink Small Outline Package) with an exposed pad for improved thermal performance.

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