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LT3430IFE

Name: LT3430IFE
Rating: 4.7 (12 reviews)

Switching Voltage Regulators High Voltage, 3A, 200kHz Step-Down Switching Regulator

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データシート LT3430IFE DataSheet
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仕様

概要

Description

The LT3430IFE is a high-performance, step-down DC-DC converter from Analog Devices' Linear Technology line. It is designed to efficiently convert higher input voltages (up to 60V) to lower output voltages, making it suitable for various applications including industrial, automotive, and telecom systems. The device features a wide input range, high efficiency (up to 95%), and a programmable output voltage, allowing for flexibility in design.
Key features include a built-in high-side power switch, low quiescent current, and adjustable frequency operation, enabling better control over power delivery and thermal management. The LT3430IFE also integrates protection features such as overcurrent limiting and thermal shutdown to enhance reliability.
Its small footprint and minimal external components make it ideal for space-constrained applications. Overall, the LT3430IFE is a versatile solution for designing robust, efficient power supplies in demanding environments.

Features

The LT3430IFE is a high-performance synchronous step-down regulator from Analog Devices. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for various applications.
2. Output Current Capability: Delivers up to 2A of continuous output current.
3. High Efficiency: Achieves efficiencies up to 95%, minimizing heat generation and enhancing performance.
4. Adjustable Output Voltage: The output voltage can be set between 0.8V to 15V, allowing flexibility in design.
5. Compact Package: Offered in a thermally enhanced 16-lead TSSOP package for space-saving applications.
6. Built-in Protection Features: Includes overcurrent protection, thermal shutdown, and soft-start function to ensure reliable operation.
7. Frequency Flexibility: Operates in a range of frequencies, allowing for optimized performance based on application needs.
These features make the LT3430IFE ideal for automotive, industrial, and communication systems where efficiency and reliability are critical.

Package

The LT3430IFE is offered in a 16-lead TSSOP (Thin Shrink Small Outline Package) package type.

Pinout

The LT3430IFE is a high-performance buck-boost DC/DC converter with a total of 20 pins. It is designed for a wide input voltage range and can provide a regulated output voltage even when the input voltage is above or below the output voltage. The key functions of its pins include:
1. VIN (Input Voltage): Supplies the input voltage to the IC.
2. VOUT (Output Voltage): Outputs the regulated voltage.
3. GND: Ground reference.
4. SW: Switch node for connecting to the inductor.
5. FB: Feedback pin for voltage regulation.
6. COMP: Compensation network connection for stability.
7. SS: Soft-start pin.
8. ISEN: Current sense pin for current limiting.
9. LIM: Overcurrent limit setting.
10. SYNC: Synchronization input for external clocking.
11. MODE: Mode selection for operation (buck or boost).
Other pins include additional control, protection, and monitoring functions. The LT3430 is suitable for applications requiring efficient voltage regulation across varying input conditions.

Manufacturer

The LT3430IFE is manufactured by Analog Devices, Inc., a prominent company known for its development of high-performance analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves various industries, including communications, healthcare, automotive, and industrial automation. The company specializes in technologies that enable precise measurement and control in electronic systems. The LT3430IFE is a step-down (buck) regulator, designed for efficient power management applications.

Application

The LT3430IFE is a high-performance, step-down DC-DC converter primarily used in applications such as automotive power management, industrial power supplies, telecom equipment, and battery-operated devices. Its ability to handle high input voltages, deliver high output current, and operate efficiently makes it suitable for powering microcontrollers, sensors, and various electronic components in both consumer and industrial applications.

Equivalent

The LT3430IFE is a high-efficiency boost converter. Equivalent products include:
1. TPS61030 (Texas Instruments)
2. LM2577 (Texas Instruments)
3. NCP1402 (ON Semiconductor)
4. MIC2280 (Microchip)
5. MAX860 (Maxim Integrated)
These alternatives vary in specifications, such as output voltage, current rating, and efficiency, so it's important to compare features based on your specific application requirements.