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ACT8796 Datasheet(PDF) 25 Page - Active-Semi, Inc

Part # ACT8796
Description  Six Channel Integrated Power Management IC for Handheld Portable Equipment
PDF  34 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8796 Datasheet(HTML) 25 Page - Active-Semi, Inc

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LOW-DROPOUT LINEAR REGULATORS
ACT8796
Rev 2, 16-Nov-09
Innovative PowerTM
- 25 -
www.active-semi.com
Copyright © 2009 Active-Semi, Inc.
ActivePMUTM is a trademark of Active-Semi.
I2CTM is a trademark of Philips Electronics.
Active-Semi
ELECTRICAL CHARACTERISTICS (REG4)
(VINL = 3.6V, COUT4 = 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
VNOM4 < 1.3V, IOUT4 = 10mA
-2.4%
VNOM4
+1.8%
V
VNOM4 ≥ 1.3V, IOUT4 = 10mA
-1.2%
VNOM4
+1.8%
Line Regulation Error
VINL = Max(VOUT4 + 0.5V, 3.6V) to 5.5V
0
mV
Load Regulation Error
IOUT4 = 1mA to 250mA
-0.07
mV/mA
Power Supply Rejection Ratio
f = 1kHz, IOUT4 = 250mA, COUT4 = 1µF
60
dB
f = 10kHz, IOUT4 = 250mA, COUT4 = 1µF
50
Supply Current per Output
Regulator Enabled
40
µA
Regulator Disabled
0
Dropout Voltage
IOUT4 = 120mA, VOUT4 > 3.1V
100
200
mV
Output Current
250
mA
Current Limit3
VOUT4 = 95% of regulation voltage
280
Internal Soft-Start
100
µs
Power Good Flag High Threshold
VOUT4, hysteresis = -4%
89
%
Output Noise
COUT4 = 10µF, f = 10Hz to 100kHz
40
µVRMS
Stable COUT4 Range
1
20
µF
Discharge Resistor in Shutdown
LDO Disabled, DIS4[ ] = [1]
650
Ω
: VNOM4 refers to the nominal output voltage level for VOUT4 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 (for 2.8V output voltage or higher)
3
: LDO current limit is defined as the output current at which the output voltage drops to 95% of the respective regulation voltage.
Under heavy overload conditions the output current limit folds back by 30% (typ)



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