ACT8810
Active- Semi
Rev 4, 01-Oct-09
STEP-DOWN DC/DC CONVERTERS
ELECTRICAL CHARACTERISTICS (REG3)
(VVSYS = 3.6V, TA = 25°C, unless otherwise specified.)
PARAMETER
VP3 Operating Voltage Range
VP3 UVLO Threshold
TEST CONDITIONS
MIN
2.9
TYP
MAX
5.5
UNIT
V
Input Voltage Rising
2.7
2.8
85
2.9
V
VP3 UVLO Hysteresis
Input Voltage Falling
mV
µA
µA
Quiescent Supply Current
Shutdown Supply Current
130
0.1
200
1
REG3 Disabled, VVP3 = 4.2V
ꢀ
V
NOM3 < 1.5V, IOUT3 = 10mA
-2.1%
-1.5%
VNOM3
VNOM3
0.15
0.0017
0.7
+2.1%
+1.5%
Output Voltage Regulation Accuracy
V
VNOM3 ≥ 1.5V, IOUT3 = 10mA
Line Regulation
Load Regulation
Current Limit
VVP3 = Max(VNOM3 + 1V, 3.2V) to 5.5V
OUT3 = 10mA to 550mA
%/V
%/mA
A
I
0.55
1.35
VOUT3 ≥ 20% of VNOM3
1.6
1.85
MHz
kHz
Ω
Oscillator Frequency
V
OUT3 = 0V
540
PMOS On-Resistance
NMOS On-Resistance
SW3 Leakage Current
Power Good Threshold
Minimum On-Time
I
SW3 = -100mA
SW3 = 100mA
0.46
0.3
0.69
0.45
1
I
Ω
VVP3 = 5.5V, VSW3 = 5.5V or 0V
µA
94
60
%VNOM3
ns
ꢀ: VNOM3 refers to the nominal output voltage level for VOUT3 as defined by the Ordering Information section.
Innovative PowerTM
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