Datasheet

STBB1-AXX Typical performance characteristics
Doc ID 022197 Rev 2 13/22
Figure 11. Boost region operation Figure 12. Buck-boost region operation
V
IN
= 2.5 V V
O
= 3.3 V I
O
= 200 mA, PWM mode
V
IN
= 3.6 V V
O
= 3.3 V I
O
= 100 mA, pulse skipping mode
Figure 13. Buck-boost region operation Figure 14. Buck-boost region operation
V
IN
= 3.6 V V
O
= 3.3 V I
O
= 500 mA, PWM mode
V
IN
= 3.6 V V
O
= 3.3 V I
O
= 50 mA, PWM mode
Figure 15. Buck region operation Figure 16. Buck region operation
V
IN
= 4.2 V V
O
= 3.3 V I
O
= 100 mA, pulse skipping mode
V
IN
= 4.2 V V
O
= 3.3 V I
O
= 500 mA, PWM mode
SW1
3 V/div
SW2
3 V/div
I
L
0.2 A/div
V
O
20 mV/div
AC Coupled
TIMEBASE: 0.5µs/div
SW1
3 V/div
SW2
3 V/div
I
L
0.2 A/div
V
O
100 mV/div
AC Coupled
TIMEBASE: 1µs/div
SW1
3 V/div
SW2
3 V/div
I
L
0.3 A/div
V
O
30 mV/div
AC Coupled
TIMEBASE: 0.5 µs/div
SW1
3 V/div
SW2
3 V/div
I
L
0.1 A/div
V
O
20 mV/div
AC Coupled
TIMEBASE: 1 µs/div
SW1
3 V/div
SW2
3 V/div
I
L
0.4 A/div
V
O
300 mV/div
AC Coupled
TIMEBASE: 2 µs/div
SW1
3 V/div
SW2
3 V/div
I
L
0.4 A/div
V
O
20 mV/div
AC Coupled
TIMEBASE: 0.2 µs/div