ACT8810
Active- Semi
Rev 4, 01-Oct-09
STEP-DOWN DC/DC CONVERTERS
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(ACT8810QJ343, VVP3 = 3.6V, L = 3.3µH, CVP3 = 4.7μF, COUT3 = 10μF, TA = 25°C, unless otherwise specified.)
REG3 Efficiency vs. Load Current
100
VOUT3 = 1.2V
VVSYS = 3.6V
80
VVSYS = 4.2V
VVSYS = 4.6V
60
40
20
0
10
100
1
1000
Load Current (mA)
OUT3 Regulation Voltage vs. Tempera-
1.812
1.808
1.804
1.800
1.796
IOUT3 = 35mA
1.792
1.788
-40
-20
0
20
40
60
85
Temperature (°C)
REG3 RDSON vs. VP3 Input Voltage
0.50
0.45
0.40
0.35
0.30
0.25
0.20
PMOS
NMOS
0.15
0.1
3.0
3.5
4.0
4.5
5.0
5.5
6.0
VP3 Input Voltage (V)
Innovative PowerTM
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