A good PCB layout for the LT1054CDW 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, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, the output capacitor should be chosen to ensure a minimum ESR (Equivalent Series Resistance) of 0.1 ohms, and the input capacitor should be a low-ESR type. It's also recommended to add a 10nF capacitor in parallel with the output capacitor to improve stability.
The LT1054CDW can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and to prevent overheating.
The LT1054CDW is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to prevent overheating and ensure reliable operation.
The output voltage of the LT1054CDW can be calculated using the formula: Vout = (1 + R2/R1) * Vref, where R1 and R2 are the resistors in the feedback network, and Vref is the internal reference voltage (2.5V).
LT1054CDW datasheet
by Texas Instruments
