R16DS0137EU0100 Rev.1.0

Page 12

Apr 13, 2021

RAA210040 Datasheet

4.4

Start-Up Waveforms

Figure 17. VIN = 5V, VOUT = 1V, fSW =1MHz,

COUT = 2x22µF Ceramic

Figure 18. VIN = 5V, VOUT = 1.2V, fSW = 1.2MHz,

COUT =2x22µF Ceramic

Figure 19. VIN = 5V, VOUT = 1.8V, fSW = 1.5MHz,

COUT = 2x22µF Ceramic

Figure 20. VIN = 5V, VOUT = 3.3V, fSW = 2.4MHz,

COUT =2x22µF Ceramic

Operating condition: TA = +25°C, no air flow. Typical values are used unless otherwise noted.

Figure 21. Start-Up Waveforms; VIN = 3.3V, VOUT = 0.8V,

IOUT = 4A

Figure 22. Start-Up Waveforms; VIN = 3.3V, VOUT = 0.9V,

IOUT =4A

Operating condition: TA = +25°C, no air flow, PWM mode, 0.4A - 3.6A, 2.5A/µs step load. Typical values are used unless otherwise

noted. (Cont.)

IOUT 2A/Div

VOUT 100mV/Div

100µs/Div

IOUT 2A/Div

VOUT 100mV/Div

100µs/Div

IOUT 2A/Div

VOUT 100mV/Div

100µs/Div

IOUT 2A/Div

VOUT 100mV/Div

100µs/Div

IOUT 2A/Div

EN 1.5V/Div

VOUT 500mV/Div

PG 2V/Div

500µs/Div

IOUT 2A/Div

EN 1.5V/Div

VOUT 500mV/Div

PG 2V/Div

500µs/Div