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ACT8332 Arkusz danych(PDF) 10 Page - Active-Semi, Inc

Numer części ACT8332
Szczegółowy opis  Three Channel Integrated Power Management IC for Handheld Portable Equipment
PDF  13 Pages
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Producent  ACTIVE-SEMI [Active-Semi, Inc]
Strona internetowa  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8332 Arkusz danych(HTML) 10 Page - Active-Semi, Inc

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ACT8332
Rev0, 14-Mar-08
LOW-DROPOUT LINEAR REGULATORS
Innovative Power
TM
- 10 -
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
ActivePMU
TM is a trademark of Active-Semi.
ELECTRICAL CHARACTERISTICS (REG2, REG3)
(VINL = 3.6V, COUT = 1µF, TA = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INL Operating Voltage Range
3.1
5.5
V
INL UVLO Threshold
VINL Input Rising
2.9
3
3.1
V
UVLO Hysteresis
VINL Input Falling
0.1
V
Output Voltage Accuracy
TA = 25°C
-1.2
VNOM1
+2
%
TA = -40°C to 85°C
-2.5
VNOM
+3
Line Regulation Error
VINL = Max(VOUT + 0.5V, 3.6V) to 5.5V
0
mV
Load Regulation Error
IOUT = 1mA to 360mA
-0.004
%/mA
Power Supply Rejection Ratio
f = 1kHz, IOUT = 360mA, COUT = 1µF
70
dB
f = 10kHz, IOUT = 360mA, COUT = 1µF
60
REG2 or REG3 Enabled
85
µA
REG2 and REG3 Enabled
125
REG2 and REG3 Disabled
1.5
ON1, ON3 Logic High Input Voltage VINL = 3.1V to 5.5V, TA = -40°C to 85°C
1.4
V
ON1, ON3 Logic Low Input Voltage VINL = 3.1V to 5.5V, TA = -40°C to 85°C
0.4
V
Dropout Voltage2
IOUT = 160mA, VOUT > 3.1V
100
200
mV
Output Current
360
mA
Current Limit
VOUT = 95% of regulation voltage
400
mA
Internal Soft-Start
100
µs
Power Good Flag High Threshold
VOUT, hysteresis = -4%
89
%
Output Noise
COUT = 10µF, f = 10Hz to 100kHz
40
µVRMS
Stable COUT Range
1
20
µF
Discharge Resistor in Shutdown
LDO Disabled
1000
Ω
Thermal Shutdown Temperature
Temperature Rising
160
°C
Thermal Shutdown Hysteresis
Temperature Falling
20
°C
Supply Current
: VNOM refers to the nominal output voltage level for VOUT2 or VOUT3 as defined by the Ordering Information section.
: Dropout Voltage is defined as the differential voltage between input and output when the output voltage drops 100mV below the
regulation voltage at 1V differential voltage.
: LDO current limit is defined as the output current at which the output voltage drops to 95% of the respective regulation voltage. Un-
der heavy overload conditions the output current limit folds back by 30% (typ)



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