ACT2813/ACT2813C
Rev 2, 19-May-15
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(Schematic as show in Figure 17, Ta = 25°C, unless otherwise specified)
Boost Load Transient (80mA-1A-80mA)
Boost Load Transient (1A-2.4A-1A)
VBAT = 3.7V
VOUT = 5.0V
IIOST = 2.66A
V
= 3.7V
= 5.0V
= 2.66A
VBBAATT = 4.2V
V
VOOUUTT = 5.0V
I
IIIOOSSTT = 1.3A
CH1
CH1
CH2
CH2
CH1: VOUT, 200mV/div
CH2: IOUT, 1A/div
TIME: 400µs/div
CH1: VOUT, 100mV/div
CH2: IOUT, 1A/div
TIME: 400µs/div
SW and Output Waveforms in Boost Mode
SW and Output Waveforms in Boost Mode
VBAT = 4.1V
VOUT = 5.0V
IOUT = 2.4A
VBAT = 3.4V
VBAT = 3.4V
VOUT = 5.0V
VOUT = 5.0V
IOUT = 1.0A
IOUT = 2.4A
CH1
CH1
CH2
CH2
CH1: VOUT, 20mV/div
CH2: VSW, 2V/div
TIME: 1µs/div
CH1: VOUT, 20mV/div
CH2: VSW, 2V/div
TIME: 1µs/div
Transition Between Buck Mode
and Boost Mode
VIN = 5.0V
VBAT = 4.1V
VIN = 5.0V
VBAT = 4.1V
VIN
CH1
VnPG
CH2
CH3
Vout
CH1: VIN, 5V/div
CH2: VnPG, 5V/div
CH3: vout, 2V/div
TIME: 1s/div
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