LT8253/LT8253A
40V USB Type-C Power Delivery
Buck-Boost Controller
FEATURES
DESCRIPTION
The LT®8253/LT8253A are synchronous 4-switch buck-
boost controllers optimized for automotive USB-C power
delivery. The LT8253/53A are fully compliant to the USB
Power Delivery (PD) specification when used in conjunc-
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Proprietary Low-EMI Buck-Boost Architecture
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Wide Input Range: 4V to 40V
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Synchronous Switching: Up to 98% Efficiency
1.5% Output Voltage Regulation
Single Output supports 1 Type-C Port up to 100W
Output Channel Enable Function
Programmable Switching Frequency with External
Synchronization and Spread Spectrum
Over-Current, Over-Voltage, Short-Circuit Protection
Available in 28-Lead Side Solderable QFN Package
AEC-Q100 Qualification in Progress
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tion with a USB Type-C or PD port controller. The output
voltage slew rate can be controlled through the FB pin.
The LT8253 can deliver up to 100W output power with
98% peak efficiency when running below the AM band.
The LT8253A can deliver up to 60W output power with
95% peak efficiency when running above the AM band.
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The LT8253/8253A support single buck-boost output for
1 Type-C port with power good flag. Over-current, over-
voltage, and short-circuit protections are also available.
All registered trademarks and trademarks are the property of their respective owners.
APPLICATIONS
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Automotive USB-C Power Delivery
General Purpose Voltage Regulator
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TYPICAL APPLICATION
Automotive 60W USB-C Power Delivery Charger (400kHz)
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