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The PT4493N from Texas Instruments is a specialized current booster module, engineered to enhance the capabilities of the PT4476 DC-DC converter. This booster adds a parallel output stage, allowing for synchronized operation with the PT4476 to achieve higher power outputs.
Key specifications include a current boost capability of 8.5A, which can increase the PT4476's output power up to 200W. The module supports an input voltage range of 18V to 36V. It is housed in a 26-pin copper case package, sharing the same package options as the PT4476.
This component is not a standalone product and requires a PT4476 for operation. It is suitable for applications needing increased current capacity from an existing PT4476 setup. The booster tracks the output voltage of the PT4476 and offers high efficiency.
Standard application details, including dimensions and PC board layout recommendations, are available for package styles 1200, 1210, and 1215. Input capacitors of 33µF are suggested to reduce input ripple, and a minimum of 33µF output capacitance per booster module is required for stable operation.
The PT4493N provides an 8.5A current boost.
The input voltage range is 18V to 36V.
The PT4493N has an output power rating of 100W, boosting the PT4476 up to 200W.
The PT4493N is housed in a 26-pin copper case package.
The Moisture Sensitivity Level (MSL) is 1.