EVK-ACT8945AQJ303-T Datasheet, PDF (17/42 Pages) Active-Semi, Inc – Advanced PMU for Atmel SAMA5D3 Series & SAM9 Series Processors

ACT8945A
Rev 2, 11-Feb-14
LOW-NOISE LDO ELECTRICAL CHARACTERISTICS
(V_INL = 3.6V, C_OUT4 = C_OUT5 = C_OUT6 = C_OUT7 = 3.3µF, LOWIQ[ ] = [0], T_A = 25°C, unless otherwise specified.)
PARAMETER
Operating Voltage Range
Output Voltage Accuracy
Line Regulation
Load Regulation
Power Supply Rejection Ratio
Supply Current per Output
Soft-Start Period
Power Good Threshold
Power Good Hysteresis
Output Noise
Discharge Resistance
REG4
Dropout Voltage
Maximum Output Current
Current Limit
Stable C_OUT4 Range
REG5
Dropout Voltage
Maximum Output Current
Current Limit
Stable C_OUT5 Range
REG6
Dropout Voltage
Maximum Output Current
Current Limit
Stable C_OUT6 Range
REG7
Dropout Voltage
Maximum Output Current
Current Limit
Stable C_OUT7 Range
TEST CONDITIONS
V_OUT ≥ 1.2V, T_A = 25°C, I_OUT = 10mA
V_OUT < 1.2V, T_A = 25°C, I_OUT = 10mA
V_INL = Max (V_OUT + 0.5V, 3.6V) to 5.5V
LOWIQ[ ] = [0]
V_INL = Max (V_OUT + 0.5V, 3.6V) to 5.5V
LOWIQ[ ] = [1]
I_OUT = 1mA to IMAX²
f = 1kHz, I_OUT = 20mA, V_OUT =1.2V
f = 10kHz, I_OUT = 20mA, V_OUT =1.2V
Regulator Enabled, LOWIQ[ ] = [0]
Regulator Enabled, LOWIQ[ ] = [1]
Regulator Disabled
V_OUT = 2.9V
V_OUT Rising
V_OUT Falling
I_OUT = 20mA, f = 10Hz to 100kHz, V_OUT =
1.2V
LDO Disabled, DIS[ ] = 1
I_OUT = 80mA, V_OUT > 3.1V
V_OUT = 95% of regulation voltage
I_OUT = 80mA, V_OUT > 3.1V
V_OUT = 95% of regulation voltage
I_OUT = 80mA, V_OUT > 3.1V
V_OUT = 95% of regulation voltage
I_OUT = 80mA, V_OUT > 3.1V
V_OUT = 95% of regulation voltage
MIN TYP MAX UNIT
2.5
5.5
V
-1%
V_NOM
2%
V
-2%
V_NOM
4%
0.05
mV/V
0.5
0.08
V/A
75
dB
65
37
60
31
52
µA
0
1
140
µs
89
%
3
%
50
µV_RMS
1.5
kΩ
90
180
mV
320
mA
400
mA
3.3
20
µF
140
280
mV
320
mA
400
mA
3.3
20
µF
90
180
mV
320
mA
400
mA
3.3
20
µF
140
280
mV
320
mA
400
mA
3.3
20
µF
: V_NOM refers to the nominal output voltage level for V_OUT as defined by the Ordering Information section.
2: IMAX Maximum Output Current.
3: Dropout Voltage is defined as the differential voltage between input and output when the output voltage drops 100mV below the
regulation voltage (for 3.1V 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.
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