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The PT4497A from Texas Instruments is a 100W/8.5A current booster module specifically designed for use with the PT4486 DC-DC converter. This booster adds a parallel output stage, enabling both the PT4486 and PT4497A to operate in perfect synchronization, effectively boosting the PT4486's current capability up to 17A.
Key features include a robust input voltage range of 36V to 75V and high efficiency operation. The PT4497A tracks the output voltage of the PT4486 and requires a PT4486 to function, as it is not a standalone product. The component is housed in a 26-pin copper case package, offering synchronized operation and high performance.
Standard application circuits utilize input capacitors (e.g., 33µF suggested) to reduce input ripple and output capacitors (a minimum of 33µF per booster module) for proper operation and transient reduction. The PT4497A is compatible with various package options, including vertical and horizontal through-hole, and horizontal surface mount configurations.
The PT4497A provides an 8.5A current boost, which can increase the PT4486's output current up to 17A.
The input voltage range for the PT4497A is 36V to 75V.
The PT4497A offers an output power of 100W.
The PT4497A is housed in a 26-pin copper case package.
No, the PT4497A only operates with a PT4486 and is not a standalone product.