ACT8931AQJ633-T Просмотр технического описания (PDF) - Active-Semi, Inc
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ACT8931AQJ633-T Datasheet PDF : 43 Pages
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ACT8931A
Rev 3, 29-Nov-12
STEP-DOWN DC/DC ELECTRICAL CHARACTERISTICS
(VVP1 = VVP2 = VVP3 = 3.6V, TA = 25°C, unless otherwise specified.)
PARAMETER
Operating Voltage Range
UVLO Threshold
UVLO Hysteresis
Quiescent Supply Current
Shutdown Current
Output Voltage Accuracy
Line Regulation
Load Regulation
Power Good Threshold
Power Good Hysteresis
Oscillator Frequency
Soft-Start Period
Minimum On-Time
REG1
Maximum Output Current
Current Limit
PMOS On-Resistance
NMOS On-Resistance
SW1 Leakage Current
REG2
Maximum Output Current
Current Limit
PMOS On-Resistance
NMOS On-Resistance
SW2 Leakage Current
REG3
Maximum Output Current
Current Limit
PMOS On-Resistance
NMOS On-Resistance
SW3 Leakage Current
CONDITIONS
Input Voltage Rising
Input Voltage Falling
Regulator Enabled
VVP = 5.5V, Regulator Disabled
VOUT ≥ 1.2V, IOUT = 10mA
VOUT < 1.2V, IOUT = 10mA
VVP = Max (VNOM1 +1, 3.2V) to 5.5V
IOUT = 10mA to IMAX2
VOUT Rising
VOUT Falling
VOUT ≥ 20% of VNOM
VOUT = 0V
ISW1 = -100mA
ISW1 = 100mA
VVP1 = 5.5V, VSW1 = 0 or 5.5V
ISW2 = -100mA
ISW2 = 100mA
VVP2 = 5.5V, VSW2 = 0 or 5.5V
ISW3 = -100mA
ISW3 = 100mA
VVP3 = 5.5V, VSW3 = 0 or 5.5V
MIN
TYP
2.7
2.5
2.6
100
65
0
-1%
-2%
VNOM
VNOM
0.15
0.0017
93
2
1.8
2
500
400
75
1.1
1.55 1.80
0.16
0.16
0
1.1
1.55 1.80
0.16
0.16
0
1.2
1.55 1.80
0.16
0.16
0
: VNOM refers to the nominal output voltage level for VOUT as defined by the Ordering Information section.
2: IMAX Maximum Output Current.
MAX
5.5
2.7
90
1
1%
2%
2.2
2.05
1
2.05
1
2.05
1
UNIT
V
V
mV
µA
µA
V
%/V
%/mA
%VNOM
%VNOM
MHz
kHz
µs
ns
A
A
Ω
Ω
µA
A
A
Ω
Ω
µA
A
A
Ω
Ω
µA
Innovative PowerTM
ActivePMUTM and ActivePathTM are trademarks of Active-Semi.
I2CTM is a trademark of NXP.
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Copyright © 2012 Active-Semi, Inc.
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