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The following are detailed specifications for the ACT4070YH chip:
- Features:
- 3A output current, 400kHz switching frequency.
- Up to 95% efficiency, consuming only 6μA in shutdown mode.
- Wide input voltage range from 4.5V to 30V.
- Adjustable output voltage with cycle-by-cycle current limit protection.
- Thermal shutdown protection with internal soft-start functionality.
- Frequency foldback during short circuits, stable with a wide range of capacitors, including low ESR ceramic capacitors.
- Excellent thermal performance; pins and exposed pads must be flush with the board surface and must not protrude from the board surface.
Technical Specifications
- Package type: SOP-8
- Number of pins: 8 pins
- Operating voltage range: 4.5V to 30V
- Output current: Up to 3A
- Switching frequency: 400kHz
- Efficiency: Up to 95%
- Shutdown current: 6μA
- Operating temperature range: -40°C to +150°C
- Storage temperature range: -55°C to +150°C
- Maximum power consumption: 1.8W
- Thermal resistance:
- Junction-to-ambient thermal resistance (Buk): 46°C/W
- Pin temperature (soldered, 10 seconds): 300°C
Notes
- Compatibility: Before purchasing, please confirm that the chip is compatible with your application.
- Installation instructions:
- Ensure that the power supply voltage meets the chip specifications.
- Use appropriate decoupling capacitors to reduce noise.
- Operate the device within the specified temperature range.
- Technical Support: For further technical support, contact the supplier or manufacturer.
Summary
The ACT4070YH is a high-performance current-mode buck DC/DC converter produced by Active-Semi, suitable for various electronic applications, particularly excelling in power management and LED driving. Its high efficiency, low shutdown current, and multiple protection features make it highly practical and reliable in electronic systems.
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Product Description:
1.The picture only supplies the reference It may not be the exact one as in our stock because of difr NO.
2.We will ship the items within 3 working days after the payment is reached.
3.When the parts arrive at your local customs, if the parts are charged with customs duties, we are not responsible for any customs duties or import taxes.
REFUNDS & RETURN:
We offer a warranty on all items that we sold. Item will be tested before ship, it will be in good condition, if there are some problems with the item, feel free to contact us.
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