The recommended operating voltage range for the CD4555BF3A is 3V to 18V, although it can operate up to 20V with reduced performance.
To ensure proper biasing, connect the midpoint of the voltage divider (pin 5) to a quiet analog ground, and decouple the power supply pins (pins 1 and 8) with 0.1uF capacitors to reduce noise and oscillations.
The maximum frequency of operation for the CD4555BF3A is approximately 1MHz, although this can vary depending on the specific application and circuit configuration.
To minimize power consumption, operate the CD4555BF3A at the lowest possible voltage, use a low-impedance power supply, and consider using a voltage regulator to reduce power supply noise.
While the CD4555BF3A can be used in switching power supply applications, it is not recommended due to its relatively low power handling capability and potential for oscillations. Consider using a dedicated switching regulator IC instead.