STBB1-APUR datasheet(13/22 Pages) STMICROELECTRONICS

부품명	STBB1-APUR

상세설명	1 A, high efficiency single inductor dual mode buck-boost DC-DC converter

PDF	22 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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13 / 22 page

STBB1-AXX

Typical performance characteristics

Doc ID 022197 Rev 2

13/22

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

0.2 A/div

20 mV/div

AC Coupled

TIMEBASE: 0.5

µs/div

SW1

3 V/div

SW2

3 V/div

0.2 A/div

100 mV/div

AC Coupled

TIMEBASE: 1µs/div

SW1

3 V/div

SW2

3 V/div

0.3 A/div

30 mV/div

AC Coupled

TIMEBASE: 0.5

µs/div

SW1

3 V/div

SW2

3 V/div

0.1 A/div

20 mV/div

AC Coupled

TIMEBASE: 1

µs/div

SW1

3 V/div

SW2

3 V/div

0.4 A/div

300 mV/div

AC Coupled

TIMEBASE: 2

µs/div

SW1

3 V/div

SW2

3 V/div

0.4 A/div

20 mV/div

AC Coupled

TIMEBASE: 0.2

µs/div

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