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ACT8810 数据表(PDF) 31 Page - Active-Semi, Inc

部件名 ACT8810
功能描述  Eight Channel ActivePathTM Power Management IC
PDF  54 Pages
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制造商  ACTIVE-SEMI [Active-Semi, Inc]
网页  http://www.active-semi.com
标志 ACTIVE-SEMI - Active-Semi, Inc

ACT8810 数据表(HTML) 31 Page - Active-Semi, Inc

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LOW-DROPOUT LINEAR REGULATORS
ACT8810
Rev 9, 15-Nov-12
Innovative Power
TM
- 31 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
ActivePMU
TM and ActivePathTM are trademarks of Active-Semi.
I
2CTM is a trademark of NXP.
(VINL = 3.6V, COUT4 = 1µF, TA = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INL Operating Voltage Range
2.6
5.5
V
INL UVLO Threshold
VINL Input Rising
2.4
2.5
2.6
V
UVLO Hysteresis
VINL Input Falling
0.1
V
Output Voltage Accuracy
TA = 25°C
-2%
VNOM4
+2%
V
TA = -40°C to 85°C
-3%
VNOM4
+3%
Line Regulation Error
VINL = Max(VOUT5 + 0.5V, 3.6V) to 5.5V
0
%/V
Load Regulation Error
IOUT5 = 1mA to 360mA
-0.07
mV/mA
Power Supply Rejection Ratio
f = 1kHz, IOUT4 = 360mA, COUT4 = 1µF
70
dB
f = 10kHz, IOUT4 = 360mA, COUT4 = 1µF
60
Supply Current per Output
Regulator Enabled
35
µA
Regulator Disabled
0
Dropout Voltage3
IOUT4 = 160mA, VOUT4 > 3.1V
100
200
mV
Output Current
360
mA
Current Limit
VOUT4 = 95% of regulation voltage
400
Internal Soft-Start
100
µs
Power Good Flag High Threshold VOUT4, hysteresis = -2%
88
%
Output Noise
COUT4 = 10µF, f = 10Hz to 100kHz
40
µVRMS
Stable COUT4 Range
1
20
µF
Discharge Resistor in Shutdown
LDO Disabled, DIS4[ ] = [1]
1000
Ω
: VNOM4 refers to the nominal output voltage level for VOUT4 as defined by the Ordering Information section.
: PSRR is lower with VSET < 1.25V
3
: 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)
: 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 40% (typ)
ELECTRICAL CHARACTERISTICS (REG4)



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