The maximum input voltage that can be applied to the LM2597M-12/NOPB is 40V, but it's recommended to keep it below 37V to ensure reliable operation and to prevent damage to the internal circuitry.
The LM2597M-12/NOPB has a maximum operating junction temperature of 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to keep the operating temperature below 85°C for optimal performance.
To ensure the stability of the output voltage, make sure to use a suitable output capacitor with a low equivalent series resistance (ESR) and a high ripple current rating. A 10uF to 22uF ceramic or tantalum capacitor is recommended. Also, ensure that the input voltage is within the recommended range and the output current is within the specified limit.
The minimum input voltage required for the LM2597M-12/NOPB to operate is around 7V, but it's recommended to keep the input voltage above 8V to ensure reliable operation and to prevent dropout.
Yes, the LM2597M-12/NOPB is a switching regulator and is designed for use in switching mode power supply designs. It has a high switching frequency of around 150kHz, which makes it suitable for high-efficiency power supply designs.
LM2597M-12/NOPB datasheet
by Texas Instruments
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