ACT8846 Ver la hoja de datos (PDF) - Active-Semi, Inc
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ACT8846 Datasheet PDF : 40 Pages
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ACT8846
Rev 4, 25-May-16
STEP-DOWN DC/DC ELECTRICAL CHARACTERISTICS
(VVP1 = VVP2 = VVP3 = VVP4 = 3.6V, TA = 25°C, unless otherwise specified.)
PARAMETER
Operating Voltage Range
UVLO Threshold
UVLO Hysteresis
Standby Supply Current
Shutdown Current
Output Voltage Accuracy
Line Regulation
Load Regulation REG1/4
Load Regulation REG2/3
Power Good Threshold
Power Good Hysteresis
Switching Frequency
Soft-Start Period
Minimum On-Time
REG1 AND REG4
Maximum Output Current
Current Limit
PMOS On-Resistance
NMOS On-Resistance
SW Leakage Current
Input Capacitor
Output Capacitor
Power Inductor
REG2 AND REG3
Maximum Output Current
Current Limit
PMOS On-Resistance
NMOS On-Resistance
SW Leakage Current
Input Capacitor
Output Capacitor
Power Inductor
CONDITIONS
Input Voltage Rising
Input Voltage Falling
VOUT = 103%, Regulator Enabled
VVP = 5.5V, Regulator Disabled
VOUT ≥ 1.0V, IOUT = 10mA
VOUT < 1.0V, IOUT = 10mA
VVP = Max (VNOM +1V, 3.2V) to 5.5V
IOUT = 10mA to IMAX
IOUT = 10mA to IMAX
VOUT Rising
VOUT Falling
VOUT ≥ 20% of VNOM
VOUT = 0V
ISW = -100mA
ISW = 100mA
VVP = 5.5V, VSW = 0 or 5.5V
ISW = -100mA
ISW = 100mA
VVP = 5.5V, VSW = 0 or 5.5V
MIN
TYP
2.7
2.5
2.6
100
72
0
-1%
-10
VNOM
0.15
1.70
1.00
93
2
2
2.25
550
400
75
1.5
1.8
2.2
0.11
0.08
0
4.7
33
1.0
2.2
2.8
3.5
4.2
0.07
0.08
0
10
44
0.5
1
: VNOM refers to the nominal output voltage level for VOUT as defined by the Ordering Information section.
: IMAX Maximum Output Current.
MAX
5.5
2.7
100
2
1%
10
2.5
UNIT
V
V
mV
µA
µA
V
mV
%/V
%/A
%/A
%VNOM
%VNOM
MHz
kHz
µs
ns
A
2.7
A
Ω
Ω
2
µA
µF
µF
3.3
µH
A
A
Ω
Ω
2
µA
µF
µF
2.2
µH
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
I2CTM is a trademark of NXP.
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