LT4356IDE-1

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LT4356IDE-1

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Board Mount Surge Protectors LT4356-1 and LT4356-2 - Surge Stopper

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仕様

属性

概要

Description

The LT4356IDE-1 is a surge stopper IC designed by Linear Technology, now part of Analog Devices, to protect electronic circuits from overvoltage and overcurrent conditions. It operates by limiting the voltage and current supplied to a load, effectively clamping input surges and allowing only a safe level of voltage to reach sensitive components.
Key features of the LT4356IDE-1 include:
1. Overvoltage Protection: It can handle transients up to 80V while maintaining an output of 35V or less.
2. Overcurrent Protection: It monitors the current through an external sense resistor and limits it during overcurrent events.
3. MOSFET Control: The device controls an external N-channel MOSFET to regulate the current and voltage.
4. Adjustability: Users can set the overvoltage and overcurrent thresholds according to their application needs.
5. Additional Features: It includes a fault timer, which allows it to handle brief overvoltage conditions without triggering shutdown and provides a soft-start mechanism.
The IC is commonly used in automotive, industrial, and telecommunications applications to ensure reliable protection against electrical surges.

Equivalent

The LT4356IDE-1 is a surge stopper IC from Analog Devices. Equivalent or similar products could include the LM5069 from Texas Instruments and the MAX17523 from Maxim Integrated. These components are used for over-voltage and over-current protection in power management applications. However, it is crucial to compare the specific features and ratings, as exact equivalency will depend on your application's requirements. Always consult datasheets for compatibility.

Features

The LT4356IDE-1 is a surge stopper IC designed to protect electronic circuits from overvoltage conditions. Key features include:
1. Overvoltage Protection: It can handle input overvoltages up to 80V, making it suitable for automotive and industrial applications.
2. Surge Protection: The IC can withstand and manage large input voltage surges, ensuring the downstream circuit is safeguarded.
3. Current Limiting: It provides current limiting to prevent damage from overcurrent situations.
4. Adjustable Output Clamping: Users can set the output clamp voltage via external resistor dividers to adapt to different system requirements.
5. Short-Circuit Protection: It includes mechanisms to deal with short-circuits, enhancing device and system reliability.
6. Low Quiescent Current: The device has a low quiescent current which makes it efficient and ideal for battery-powered applications.
7. Fault Output Indicator: An indicator pin is available to signal fault conditions, aiding diagnostic processes.
8. Versatile Package: Available in a compact thermally enhanced 16-lead DFN package.
These features make the LT4356IDE-1 a robust choice for ensuring circuit protection under a variety of challenging conditions.

Pinout

The LT4356IDE-1 is a surge stopper IC designed to protect electronic circuits from overvoltage and overcurrent conditions. It comes in a 16-pin package. Here is a concise overview of its pin functions:
1. VIN (Pin 1): Input supply voltage.
2. UV (Pin 2): Undervoltage threshold.
3. OV (Pin 3): Overvoltage threshold.
4. FB (Pin 4): Feedback input for output voltage regulation.
5. SENSE (Pin 5): Current sense input.
6. GATE (Pin 6): Gate drive for the external N-channel MOSFET.
7. OUT (Pin 7): Output voltage; connected to the load.
8. VCC (Pin 8): Internal regulator output.
9. SHDN (Pin 9): Shutdown input.
10. TIMER (Pin 10): Timer capacitor to set overcurrent protection delay.
11. GND (Pin 11): Ground reference.
12. FLT (Pin 12): Fault output indicator.
13. FBOUT (Pin 13): Feedback output.
14. PG (Pin 14): Power good indicator.
15. SPARE (Pin 15): Spare pin, typically not connected.
16. NC (Pin 16): No connection.
The LT4356IDE-1 ensures robust protection against voltage transients, making it well-suited for applications in automotive and industrial environments.

Manufacturer

The LT4356IDE-1 is manufactured by Analog Devices, Inc. Analog Devices is a well-established American semiconductor company known for designing and manufacturing a wide range of integrated circuits used in electronic equipment. The company specializes in data conversion and signal processing technology, which are critical in various applications such as industrial automation, automotive systems, consumer electronics, and telecommunications. Analog Devices is recognized for its innovations in analog, mixed-signal, and digital signal processing (DSP) technology, providing solutions that bridge the physical and digital worlds to enhance the sensory experience of consumers and improve the performance and efficiency of systems in numerous industries.

Application

The LT4356IDE-1 is typically used in applications requiring overvoltage and overcurrent protection. Key areas include automotive electronics, where it protects sensitive components from voltage transients; industrial systems, where it ensures reliable operation under varying electrical conditions; and telecommunications equipment, where it guards against power surges. Additionally, it is suitable for use in consumer electronics and power supply circuits to enhance durability and safety by preventing damage from electrical spikes. Its features make it ideal for designing robust and reliable electronic systems across these domains.

Package

The LT4356IDE-1 is a 16-lead Plastic Dual In-line Package (DIP) device. It is a surge stopper IC designed to protect circuits from overvoltage transients.

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