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STBB1PUR Datasheet(PDF) 12 Page - STMicroelectronics |
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STBB1PUR Datasheet(HTML) 12 Page - STMicroelectronics |
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12 / 21 page  Typical performance characteristics STBB1XX 12/21 Doc ID 15474 Rev 5 Figure 11. Boost region operation Figure 12. Buck-boost region operation VIN = 2.5 V VO = 3.3 V IO = 200 mA, PWM mode VIN = 3.6 V VO = 3.3 V IO = 100 mA, pulse skipping mode Figure 13. Buck-boost region operation Figure 14. Buck-boost region operation VIN = 3.6 V VO = 3.3 V IO = 500 mA, PWM mode VIN = 3.6 V VO = 3.3 V IO = 50 mA, PWM mode Figure 15. Buck region operation Figure 16. Buck region operation VIN = 4.2 V VO = 3.3 V IO = 100 mA, pulse skipping mode VIN = 4.2 V VO = 3.3 V IO = 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: 0.5 µs/div SW1 3 V/div SW2 3 V/div I L 0.2 A/div V O 20 mV/div AC Coupled TIMEBASE: 0.5 µs/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 0.2 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 0.3 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 0.1 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 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 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 |
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