Figure 4-3 shows the SW output voltage turn-on from the SW enable for the TPS54120EVM with V_IN = 12 V, SW OUT = 4.1 V, LDO OUT = 3.3 V, and I_OUT = 400 mA, F_switching = 480 kHz.

Figure 4-3 Switcher Converter Output Voltage Turn-On, SW Enable

Figure 4-4 shows the LDO output voltage turn-on from the LDO enable for the TPS54120EVM with V_IN = 12 V, SW OUT = 4.1 V, LDO OUT = 3.3 V, and I_OUT = 400 mA, F_switching = 480 kHz.

Figure 4-4 LDO Output Voltage Turn-On, LDO Enable

Figure 4-5 shows the LDO output voltage turn-on of TPS54120 from the SW enable for the TPS54120EVM with V_IN = 12 V, SW OUT = 4.1 V, LDO OUT = 3.3 V, and I_OUT = 400 mA, F_switching = 480 kHz.

Figure 4-5 LDO Output Voltage Turn-On, SW Enable