ACT88430QJ-T
Rev 1.0, 24-Oct-2018
LDO3 ELECTRICAL CHARACTERISTICS
(VIN_LDO23 = 3.3V, TA = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Operating Voltage Range
1.62
2.7
5.5
V
LDO3_RANGE=0
Configurable in 25mV steps
2.0
0.8
3.575
2.375
V
V
Output Voltage Range
LDO3_RANGE=1
Configurable in 25mV steps
Output Current
VIN_LDO23 = 1.8V to 5.5V, LDO3_ILIM=11
VIN_LDO23 - VLDO3_OUT > 0.4V
160
-1
mA
%
Output Voltage Accuracy
VNOM
0.01
1
VIN_LDO23 - VLDO3_OUT > 0.4V
VIN_LDO23 = 2.7V to 5.5V
ILDO3_OUT = 1mA
Line Regulation
% / V
% / A
Load Regulation
ILDO3_OUT = 1mA to 100mA, LDO3_ILIM=1X
-1.8
Power Supply Rejection Ratio
See Graphs
dB
µA
µA
Regulator Enabled No Load
Regulator Disabled
15
0
Supply Current (each LDO output)
Soft-Start Period
1
15
40
60
80
36
64
96
60
90
140
180
LDO3_SS=00 VOUT = EN to POK
LDO3_SS=01 VOUT = 0.9V Setting LDO3_SS=10
LDO3_SS=11
µs
126
Power Good Threshold
VLDO3_OUT Rising
VLDO3_OUT Falling
VLDO3_OUT Rising
VLDO3_OUT Falling
92
93
3
94
%VNOM
%VNOM
%VNOM
%VNOM
Power Good Hysteresis
Overvoltage Fault Threshold
Overvoltage Fault Hysteresis
107.5
110
3
112.5
Discharge Resistance
Dropout Voltage
Enabled when regulator disabled
20
50
125
500
Ω
ILDO3_OUT = 150mA VIN_LDO3 > 1.8V
LDO3_ILIM=11
mV
LDO3_ILIM=00
LDO3_ILIM=01
LDO3_ILIM=10
LDO3_ILIM=11
-35%
-35%
-35%
130
183
255
390
Output Current Limit
Startup Delay
+35%
25
mA
µs
-28.5%
Additional startup delay required before soft start
ramp LDO3_SS=01
8
16
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23
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