STBB1-AXX Datasheet, PDF (13/24 Pages) STMicroelectronics – Buck-boost DC-DC converter

STBB1-AXX
Typical performance characteristics
7
Typical performance characteristics
L = 2.2 µH, V_O = 3.3 V, all measurements are fulfilled with circuit shown in Figure 3:
"Application circuit (adjustable output version)" and external components listed in Table 5.
Figure 4: Efficiency vs. IOUT in auto mode
Figure 5: Efficiency vs. IOUT in PWM mode
Figure 6: Efficiency vs. VIN, IOUT = 500 mA
Figure 7: PS to PWM transition
DocID022197 Rev 4
13/24