The maximum input voltage that can be applied to the LT581KH is 80V, but it's recommended to keep it below 60V for optimal performance and reliability.
To ensure stability, make sure to follow the recommended layout and component selection guidelines in the datasheet, and add a 10nF to 100nF capacitor between the VIN and GND pins to filter out high-frequency noise.
The LT581KH is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. Consider using a heat sink or thermal management techniques to keep the device within its recommended operating temperature range.
The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESL) / (Cout * fsw), where ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency.
Yes, the LT581KH can be used in a parallel configuration to increase the output current, but make sure to follow the recommended layout and component selection guidelines to ensure proper synchronization and current sharing between the devices.
LT581KH datasheet
by Linear Technology
