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ACT8810 датащи(PDF) 17 Page - Active-Semi, Inc

номер детали ACT8810
подробное описание детали  Eight Channel ActivePathTM Power Management IC
PDF  54 Pages
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производитель  ACTIVE-SEMI [Active-Semi, Inc]
домашняя страница  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8810 датащи(HTML) 17 Page - Active-Semi, Inc

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STEP-DOWN DC/DC CONVERTERS
ACT8810
Rev 9, 15-Nov-12
Innovative Power
TM
- 17 -
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.
(VVSYS = 3.6V, TA = 25°C, unless otherwise specified.)
: VNOM1 refers to the nominal output voltage level for VOUT1 as defined by the Ordering Information section.
ELECTRICAL CHARACTERISTICS (REG1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VP1 Operating Voltage Range
2.9
5.5
V
VP1 UVLO Threshold
Input Voltage Rising
2.7
2.8
2.9
V
VP1 UVLO Hysteresis
Input Voltage Falling
85
mV
Quiescent Supply Current
130
200
µA
Shutdown Supply Current
REG1 is disabled, VVP1 = 4.2V
0.1
1
µA
Output Voltage Accuracy
VNOM1 < 1.5V, IOUT1 = 10mA
-2.1%
VNOM1
+2.1%
VNOM1 ≥ 1.5V, IOUT1 = 10mA
-1.5%
VNOM1
+1.5%
Line Regulation
VVP1 = Max(VNOM1 + 1V, 3.2V) to 5.5V
0.15
%/V
Load Regulation
IOUT1 = 10mA to 1.3A
0.0017
%/mA
Current Limit
1.4
1.8
A
Oscillator Frequency
VOUT1 ≥ 20% of VNOM1
1.35
1.6
1.85
MHz
VOUT1 = 0V
540
kHz
PMOS On-Resistance
ISW1 = -100mA
0.16
0.24
Ω
NMOS On-Resistance
ISW1 = 100mA
0.16
0.24
Ω
SW1 Leakage Current
VVP1 = 5.5V, VSW1 = 5.5V or 0V
1
µA
Power Good Threshold
94
%VNOM1
Minimum On-Time
60
ns
V



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