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The PT4493A from Texas Instruments is a 100W/8.5A current booster module. It is specifically designed to augment the PT4476 DC/DC converter, adding a parallel output stage that allows both units to operate in perfect synchronization. This booster is not a standalone product and requires the PT4476 for operation.
Key features include an 8.5A current boost capability, which can increase the PT4476's output up to 200W. It tracks the output voltage of the PT4476 and operates with high efficiency. The input voltage range for the PT4493A is 18V to 36V.
The component is housed in a 26-pin copper case package, similar to the PT4476. Standard application notes suggest input capacitors of 33µF and a minimum of 33µF per booster module for output capacitance to ensure proper operation and reduce transients.
The input voltage range for the PT4493A is 18V to 36V.
The PT4493A provides an 8.5A current boost.
The PT4493A is housed in a 26-pin copper case package.
The PT4493A is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) for the PT4493A is 1 (Unlimited).
The PT4493A is REACH Unaffected.