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LT4356IDE-1
+BOMBoard Mount Surge Protectors LT4356-1 and LT4356-2 - Surge Stopper
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ManufacturerAnalog Devices
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Mfr. Part #LT4356IDE-1
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Datasheet LT4356IDE-1 DataSheet
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In Stock24784
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Specifications
| Attribute | Value |
Overview
Description
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
Features
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
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.