Step Down LT3470A U7090 U6990
5.67€
In Stock Estimated Delivery: Tuesday, July 14th
Why Choose Us?
High-Efficiency Step-Down DC-DC Converter for MacBook
The LT3470A integrated circuit is a micropower DC-DC converter (buck regulator) essential for motherboard repair of Apple laptops. This precision component from Analog Devices ensures stable and efficient voltage regulation, crucial for restoring the functionality of power supply circuits in specific MacBook Air and MacBook Pro Retina models.
Technical Specifications
- Component Reference: LT3470A
- Manufacturer: Analog Devices
- Function: DC-DC Step-Down Converter (Buck Regulator)
- Primary Compatibility: U7090 (MacBook Air & Retina 2013-2016)
- Secondary Compatibility: U6990 (older MacBook Air & Retina models)
- Package: DFN (Dual-Flat No-leads)
- Input Voltage: 4V to 40V
- Output Current: Up to 200mA
What Distinguishes This Model
This component is the specific solution for common failures in the power lines of various MacBook models. Its LT3470A designation and confirmed compatibility with board positions U7090 and U6990 ensure that you are acquiring the exact integrated circuit for the repair, avoiding incompatibility issues with generic substitutes.
Usage / Installation Tips
The replacement of integrated circuits such as the LT3470A requires microsoldering equipment (hot air) and experience in component-level electronic repair. It is recommended to check the motherboard schematic to confirm the exact location (U7090 or U6990) and the correct voltages before and after installation.
Frequently Asked Questions
Is this component compatible with a 2015 MacBook Pro?
Yes, the LT3470A is often found in the U7090 position on MacBook Pro Retina and Air motherboards from the 2013-2016 period. Always check your specific board's schematic for confirmation.
Why replace this IC instead of the entire motherboard?
Replacing a specific component like this is a much more economical and sustainable repair than replacing the entire logic board, being the standard practice in specialized repair centres.
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