ACT2802B datasheet(24/25 Pages) ACTIVE-SEMI

24 / 25 page

Rev 7, 15-Jul-16

Innovative PowerTM

- 24 -

www.active-semi.com

ACT2802/ACT2802B/ACT2802C

TYPICAL PERFORMANCE CHARACTERISTICS CONT’D

CH1

CH2

VIN = 5.0V

VBAT = 4.1V

(Schematic as show in Figure 21, Ta = 25°C, unless otherwise specified)

CH3

CH1: VIN, 5V/div

CH2: VnPG, 5V/div

CH3: VOUT, 2V/div

TIME: 1s/div

Boost Load Transient (80mA-1A-80mA)

CH1

CH2

VBAT = 3.4V

VOUT = 5.0V

IIOST = 2.4A

Boost Load Transient (1A-2.1A-1A)

CH1

CH2

VBAT = 4.2V

VOUT = 5.0V

IIOST = 1.3A

CH1: VOUT, 200mV/div

CH2: IOUT, 1A/div

TIME: 400µs/div

CH1: VOUT, 100mV/div

CH2: IOUT, 1A/div

TIME: 400µs/div

VBAT = 3.4V

VOUT = 5.0V

IIOST = 2.4A

VBAT = 4.1V

VOUT = 5.0V

IOUT = 2.4A

CH1

CH2

VBAT = 3.4V

VOUT = 5.0V

IOUT = 1.0A

CH1

CH2

CH1: VOUT, 20mV/div

CH2: VSW, 2V/div

TIME: 1µs/div

VBAT = 3.4V

VOUT = 5.0V

IOUT = 2.4A

Transition Between Buck Mode

and Boost Mode

SW and Output Waveforms in Boost Mode

CH1: VOUT, 20mV/div

CH2: VSW, 2V/div

TIME: 1µs/div

VIN = 5.0V

VBAT = 4.1V

VIN

VnPG

VOUT

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