The recommended input capacitor value is 10uF to 22uF, with a voltage rating of at least 6.3V. This capacitor helps to filter out noise and ripple on the input voltage.
The output voltage of LP3875EMP-ADJ can be adjusted by connecting a resistor divider network between the output pin and the adjust pin. The ratio of the resistors determines the output voltage, which can be calculated using the formula: Vout = 1.23V x (1 + R1/R2).
The maximum output current of LP3875EMP-ADJ is 500mA. However, the output current should be derated based on the input voltage, output voltage, and ambient temperature to ensure reliable operation.
LP3875EMP-ADJ has an operating junction temperature range of -40°C to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and ensure proper thermal management to ensure reliable operation in high-temperature applications.
No, LP3875EMP-ADJ is a linear voltage regulator and is not suitable for switching regulator applications. It's designed to provide a stable output voltage with low noise and ripple, but it's not designed to handle high-frequency switching.
LP3875EMP-ADJ datasheet
by Texas Instruments
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