The TPS54329DDA can handle a maximum input voltage of 42V, but it's recommended to operate within the specified input voltage range of 6.5V to 36V for optimal performance.
To ensure the stability of the output voltage, it's essential to follow the recommended layout and component selection guidelines, including the use of a suitable output capacitor and a low-ESR input capacitor. Additionally, the output voltage can be adjusted using the FB pin, and the output voltage stability can be improved by adding a capacitor in parallel with the output capacitor.
The EN (enable) pin is used to enable or disable the device. When the EN pin is pulled high (above 1.4V), the device is enabled, and when it's pulled low (below 0.4V), the device is disabled. This pin can be used to implement power sequencing, shutdown, or enable/disable functionality in the system.
The output voltage of the TPS54329DDA can be calculated using the following formula: Vout = 0.8V x (R1/R2) + 0.8V, where R1 and R2 are the resistors connected to the FB pin. The output voltage can be adjusted by changing the ratio of R1 and R2.
The TPS54329DDA can provide a maximum output current of 3A, but the actual output current may be limited by the input voltage, output voltage, and thermal considerations. It's essential to ensure that the device is operated within its specified operating conditions to avoid overheating or damage.
TPS54329DDA datasheet
by Texas Instruments
