ACT8332
Rev1, 24-May-10
STEP-DOWN DC/DC CONVERTER
ELECTRICAL CHARACTERISTICS (REG1)
(VVP1 = 3.6V, TA = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN
3.1
TYP
MAX
5.5
UNIT
V
VP1 Operating Voltage Range
VP1 UVLO Threshold
VP1 UVLO Hysteresis
Standby Supply Current
Shutdown Supply Current
Input Voltage Rising
Input Voltage Falling
2.9
3
3.1
V
90
mV
µA
µA
130
0.1
200
1
ON1 = GA, VVP1 = 4.2V
Adjustable Output Option Regulation
Voltage
0.625
V
V
c
V
V
V
NOM1 < 1.3V, IOUT1 = 10mA
-2.4%
-1.2%
VNOM1
+1.8%
Output Voltage Regulation Accuracy
NOM1 ≥ 1.3V, IOUT1 = 10mA
VNOM1 +1.8%
Line Regulation
Load Regulation
Current Limit
VP1 = Max(VNOM1 + 1V, 3.2V) to 5.5V
0.15
0.0017
0.6
%/V
%/mA
A
I
OUT1 = 10mA to 350mA
0.45
1.35
V
V
V
OUT1 ≥ 20% of VNOM1
1.6
1.85
0.4
MHz
kHz
Oscillator Frequency
OUT1 = 0V
530
INL = 3.1V to 5.5V, VVP1 = 3.1V to 5.5V,
ON1 Logic High Input Voltage
ON1 Logic Low Input Voltage
1.4
V
V
TA = -40°C to 85°C
VINL = 3.1V to 5.5V, VVP1 = 3.1V to 5.5V,
TA = -40°C to 85°C
PMOS On-Resistance
ISW1 = -100mA
0.52
0.27
0.88
0.46
1
Ω
Ω
NMOS On-Resistance
SW1 Leakage Current
Power Good Threshold
Minimum On-Time
ISW1 = 100mA
V
VP1 = 5.5V, VSW1 = 5.5V or 0V
µA
94
70
%VNOM1
ns
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Temperature Rising
Temperature Falling
160
20
°C
°C
c: VNOM1 refers to the nominal output voltage level for VOUT1 as defined by the Ordering Information section.
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ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
