ACT8810
Active- Semi
Rev 4, 01-Oct-09
STEP-DOWN DC/DC CONVERTERS
ELECTRICAL CHARACTERISTICS (REG1)
(VVSYS = 3.6V, TA = 25°C, unless otherwise specified.)
PARAMETER
VP1 Operating Voltage Range
VP1 UVLO Threshold
TEST CONDITIONS
MIN
2.9
TYP
MAX
5.5
UNIT
V
Input Voltage Rising
2.7
2.8
85
2.9
V
VP1 UVLO Hysteresis
Input Voltage Falling
mV
µA
µA
Quiescent Supply Current
Shutdown Supply Current
130
0.1
200
1
REG1 is disabled, VVP1 = 4.2V
ꢀ
V
NOM1 < 1.5V, IOUT1 = 10mA
-2.1%
-1.5%
VNOM1
VNOM1
0.15
0.0017
1.8
+2.1%
+1.5%
Output Voltage Accuracy
V
VNOM1 ≥ 1.5V, IOUT1 = 10mA
Line Regulation
Load Regulation
Current Limit
VVP1 = Max(VNOM1 + 1V, 3.2V) to 5.5V
OUT1 = 10mA to 1.3A
%/V
%/mA
A
I
1.4
V
OUT1 ≥ 20% of VNOM1
1.35
1.6
1.85
MHz
kHz
Ω
Oscillator Frequency
VOUT1 = 0V
540
PMOS On-Resistance
NMOS On-Resistance
SW1 Leakage Current
Power Good Threshold
Minimum On-Time
I
SW1 = -100mA
SW1 = 100mA
0.16
0.16
0.24
0.24
1
I
Ω
VVP1 = 5.5V, VSW1 = 5.5V or 0V
µA
94
60
%VNOM1
ns
ꢀ: VNOM1 refers to the nominal output voltage level for VOUT1 as defined by the Ordering Information section.
Innovative PowerTM
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