JAJSJ61K May 2020 – June 2024 TPS628501-Q1 , TPS628502-Q1 , TPS628503-Q1
PRODMIX
The TPS62850x-Q1 has two operating modes: forced PWM mode, which is discussed in this section, and PWM/PFM as discussed in Section 8.4.2.
With the MODE/SYNC pin set to high, the TPS62850x-Q1 operates with pulse width modulation in continuous conduction mode (CCM). The switching frequency is defined by a resistor from the COMP pin to GND or by an external clock signal applied to the MODE/SYNC pin. With an external clock applied to MODE/SYNC, the TPS62850x-Q1 follow the frequency applied to the pin. In general, the frequency range in forced PWM mode is 1.8 MHz to 4 MHz. However, the frequency must be in a range the TPS62850x-Q1 can operate at, taking the minimum on-time into account.