A good PCB layout for the LMV7235M5 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a separate analog ground plane and to keep the power supply traces away from the analog signals.
To ensure stability and prevent oscillations, it's essential to follow the recommended PCB layout, use the correct output capacitor value, and ensure that the input and output impedance are matched. Additionally, it's recommended to add a small series resistor (e.g., 1-10 ohms) between the output and the load to prevent oscillations.
The LMV7235M5 can handle input voltages up to 5.5V, but it's recommended to keep the input voltage below 5V to ensure reliable operation and to prevent damage to the device.
The LMV7235M5 is rated for operation up to 125°C, but it's recommended to derate the output current and voltage at high temperatures to ensure reliable operation. Additionally, it's essential to ensure good thermal management and to follow the recommended PCB layout to minimize thermal resistance.
The output voltage of the LMV7235M5 can be calculated using the formula: Vout = (1 + R2/R1) * Vref, where R1 and R2 are the feedback resistors, and Vref is the internal reference voltage (1.2V).
LMV7235M5 datasheet
by Texas Instruments
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