ACT8810
Active- Semi
Rev 4, 01-Oct-09
STEP-DOWN DC/DC CONVERTERS
ELECTRICAL CHARACTERISTICS (REG2)
(VVSYS = 3.6V, TA = 25°C, unless otherwise specified.)
PARAMETER
VP2 Operating Voltage Range
VP2 UVLO Threshold
TEST CONDITIONS
MIN
2.9
TYP
MAX
5.5
UNIT
V
Input Voltage Rising
2.7
2.8
85
2.9
V
VP2 UVLO Hysteresis
Input Voltage Falling
mV
µA
µA
Quiescent Supply Current
Shutdown Supply Current
130
0.1
200
1
REG2 Disabled, VVP2 = 4.2V
ꢀ
V
NOM2 < 1.5V, IOUT2 = 10mA
-2.1%
-1.5%
VNOM2
VNOM2
0.15
0.0017
1.45
1.6
+2.1%
+1.5%
Output Voltage Regulation Accuracy
V
VNOM2 ≥ 1.5V, IOUT2 = 10mA
Line Regulation
Load Regulation
Current Limit
VVP2 = Max(VNOM2 + 1V, 3.2V) to 5.5V
OUT2 = 10mA to 1.0A
%/V
%/mA
A
I
1.15
1.35
VOUT2 ≥ 20% of VNOM2
1.85
MHz
kHz
Ω
Oscillator Frequency
V
OUT2 = 0V
540
PMOS On-Resistance
NMOS On-Resistance
SW2 Leakage Current
Power Good Threshold
Minimum On-Time
I
SW2 = -100mA
SW2 = 100mA
0.25
0.17
0.38
0.26
1
I
Ω
VVP2 = 5.5V, VSW2 = 5.5V or 0V
µA
94
60
%VNOM2
ns
ꢀ: VNOM2 refers to the nominal output voltage level for VOUT2 as defined by the Ordering Information section.
Innovative PowerTM
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