ACT88430QJ-T
Rev 1.0, 24-Oct-2018
LDO2 ELECTRICAL CHARACTERISTICS
(VIN_LDO23 = 3.3V, TA = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Operating Voltage Range
1.62
5.5
V
LDO2_RANGE=0
Configurable in 25mV steps
2.000
3.575
2.375
V
Output Voltage Range
LDO2_RANGE=1
Configurable in 25mV steps
0.800
0.1
V
A
Output Current
VIN_LDO23 = 2.7V to 5.5V, LDO2_ILIM=1X
At default output voltage setting
VIN_LDO23 - VLDO2_OUT > 0.4V
Output Voltage Accuracy
-1
-2
VSET
1
2
%
%
At default output voltage setting
VIN_LDO23 - VLDO2_OUT > 0.4V
Output Voltage Accuracy
VSET
VIN_LDO23 - VLDO2_OUT > 0.4V
VIN_LDO23 = 2.7V to 5.5V
ILDO2_OUT = 1mA
Line Regulation
0.007
-1
% / V
% / A
Load Regulation
ILDO2_OUT = 1mA to 100mA, LDO2_ILIM=1X
Regulator Enabled, No Load
Regulator Disabled
15
0
µA
µA
Supply Current (each LDO output)
1
LDO2_SS=00 VLDO2_OUT = 10% to 90%
LDO2_SS=01 VLDO2_OUT = 2.5V Setting
LDO2_SS=10
60
90
135
180
130
133
170
220
255
255
255
270
Soft-Start Period
µs
LDO2_SS=11
Power Good Threshold
Power Good Hysteresis
VLDO2_OUT Rising
VLDO2_OUT Falling
92
93
3
94
%VNOM
%VNOM
Overvoltage Fault Threshold
Overvoltage Fault Hysteresis
VLDO2_OUT Rising
107.5
110
3
112.5
%VNOM
%VNOM
VLDO2_OUT Falling
ILDO2_OUT = 150mA
Dropout
V
IN_LDO23 > 2.7V
200
125
mV
Ω
LDO2_ILIM=11
Discharge Resistance
Enabled when regulator disabled
20
50
LDO2_ILIM=00
LDO2_ILIM=01
LDO2_ILIM=10
LDO2_ILIM=11
110
150
210
315
Output Current Limit
Startup Delay
-35%
20
+35%
55
mA
µs
Additional startup delay required before soft start
ramp LDO2_SS=01
36
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