The recommended input capacitor value is 1uF to 10uF, depending on the input voltage and output current requirements. A larger capacitor value can help to reduce input voltage ripple and improve output voltage regulation.
To ensure stability, it's essential to follow the recommended PCB layout guidelines, use a sufficient output capacitor value, and add a compensation capacitor (typically 10nF to 100nF) between the COMP and VOUT pins. Additionally, minimize the distance between the LM3046M/NOPB and the output capacitor.
The maximum output current capability of the LM3046M/NOPB is 1.5A. However, the actual output current capability may be limited by the input voltage, output voltage, and thermal considerations. It's essential to check the thermal derating curves and ensure the device is operated within the recommended operating conditions.
The LM3046M/NOPB is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's essential to consider the thermal derating curves and ensure the device is operated within the recommended operating conditions. Additional thermal management techniques, such as heat sinking or airflow, may be necessary for high-temperature applications.
The output voltage of the LM3046M/NOPB can be adjusted by using a resistive divider network between the VOUT and ADJ pins. The output voltage is determined by the ratio of the resistors and the internal reference voltage (1.25V). A calculation tool or online calculator can be used to determine the required resistor values for a specific output voltage.
LM3046M/NOPB datasheet
by Texas Instruments
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