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LT3470ITS8
+NomenclatureSwitching Voltage Regulators LT3470 - Micropower Buck Regulator with Integrated Boost and Catch Diodes
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FabricantÉquipement de simulation
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Pièce fabricant #LT3470ITS8
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Fiche technique LT3470ITS8 DataSheet
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En stock6666
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Spécifications
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Présentation
Description
Key features of the LT3470ITS8 include a built-in power switch and Schottky diode, which simplifies the design and reduces the component count. It offers a high switching frequency of up to 1.2MHz, enabling the use of smaller external components and contributing to a compact design footprint. The LT3470ITS8 also incorporates features like soft-start, current limiting, and thermal shutdown, ensuring reliable operation and enhanced protection against faults.
Overall, the LT3470ITS8 is well-suited for applications in portable electronics, LED drivers, and general-purpose boost converters, offering efficiency, flexibility, and ease of integration.
Equivalent
Features
1. Input Voltage Range: Operates from 4V to 36V, making it suitable for automotive and industrial applications.
2. Output Current: Delivers up to 200mA of continuous output current.
3. Efficiency: High efficiency over a wide load range, optimized for low power consumption.
4. Switching Frequency: Fixed 2.2MHz, allowing for the use of small, low-cost inductors and capacitors.
5. Integrated Switch: Features a built-in power switch, reducing the need for external components.
6. Low Quiescent Current: Consumes only 2.5µA during shutdown, enhancing battery life in portable applications.
7. Thermal Shutdown: Includes protection features like thermal shutdown and current limit to prevent damage under fault conditions.
8. Package: Available in a thermally enhanced 8-lead TSOT-23 package.
These features make the LT3470ITS8 an excellent choice for compact and efficient power supply designs in various electronic applications.
Pinout
1. SW (Pin 1): Switch node, connected to the inductor and catch diode.
2. GND (Pin 2): Ground reference for the device.
3. FB (Pin 3): Feedback pin for setting the output voltage via an external resistor divider.
4. SHDN (Pin 4): Shutdown pin, used to enable or disable the regulator.
5. VIN (Pin 5): Input supply voltage pin.
6. NC (Pin 6): No connect, not internally connected.
7. VC (Pin 7): Compensation pin for loop stability.
8. RT (Pin 8): Timing resistor pin to set the switching frequency.
This compact design allows the LT3470ITS8 to be used effectively in space-constrained applications, providing regulated output voltage from a higher input voltage source.