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ACT8796 датащи(PDF) 18 Page - Active-Semi, Inc

номер детали ACT8796
подробное описание детали  Six Channel Integrated Power Management IC for Handheld Portable Equipment
PDF  34 Pages
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производитель  ACTIVE-SEMI [Active-Semi, Inc]
домашняя страница  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8796 датащи(HTML) 18 Page - Active-Semi, Inc

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STEP-DOWN DC/DC CONVERTERS
ACT8796
Rev1, 10-Oct-08
Innovative Power
TM
- 18 -
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
ActivePMU
TM is a trademark of Active-Semi.
I
2CTM is a trademark of Philips Electronics.
: VNOM3 refers to the nominal output voltage level for VOUT3 as defined by the Ordering Information section.
ELECTRICAL CHARACTERISTICS (REG3)
(VVP3 = 3.6V, TA = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VP3 Operating Voltage Range
3.1
5.5
V
VP3 UVLO Threshold
Input Voltage Rising
2.9
3
3.1
V
VP3 UVLO Hysteresis
Input Voltage Falling
80
mV
Standby Supply Current
130
200
µA
Shutdown Supply Current
REG3 Disabled, VVP3 = 4.2V
0.1
1
µA
Output Voltage Regulation Accuracy
VNOM3 < 1.3V, IOUT3 = 10mA
-2.4%
VNOM3
+1.8%
VNOM3 ≥ 1.3V, IOUT3 = 10mA
-1.2%
VNOM3
+1.8%
Line Regulation
VVP3 = Max(VNOM3 + 1V, 3.2V) to 5.5V
0.15
%/V
Load Regulation
IOUT3 = 10mA to 550mA
0.0017
%/mA
Current Limit
0.65
0.85
A
Oscillator Frequency
VOUT3 ≥ 20% of VNOM3
1.35
1.6
1.85
MHz
VOUT3 = 0V
530
kHz
PMOS On-Resistance
ISW3 = -100mA
0.35
0.60
Ω
NMOS On-Resistance
ISW3 = 100mA
0.23
0.40
Ω
SW3 Leakage Current
VVP3 = 5.5V, VSW3 = 5.5V or 0V
1
µA
Power Good Threshold
94
%VNOM3
Minimum On-Time
70
ns
V



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