The maximum input voltage that can be applied to the LM3432SQ/NOPB is 40V, but it's recommended to operate within the specified input voltage range of 6.5V to 40V for optimal performance and reliability.
To ensure the LM3432SQ/NOPB operates within its thermal limits, it's essential to provide adequate heat sinking, such as using a heat sink or a thermal interface material, and to keep the device within its specified operating temperature range of -40°C to 125°C.
For optimal performance, it's recommended to follow a compact layout with short traces, and to place the input and output capacitors close to the device. Additionally, ensure that the device is placed away from high-current carrying traces and heat sources.
To handle the inrush current during startup, it's recommended to use a soft-start circuit or a current-limiting resistor in series with the input capacitor to limit the inrush current and prevent damage to the device.
The recommended input capacitor type is a low-ESR ceramic capacitor with a value of 10uF to 22uF, depending on the specific application requirements and input voltage.
LM3432SQ/NOPB datasheet
by Texas Instruments
