ACT88430QJ-T
Rev 1.0, 24-Oct-2018
LDO1 ELECTRICAL CHARACTERISTICS
(VIN_LDO1 = 3.3V, TA = 25°C, unless otherwise specified.)
PARAMETER
Operating Voltage Range
Output Voltage Range
TEST CONDITIONS
MIN
2.4
TYP
MAX
5.5
4
UNIT
V
V
A
Configurable in 25mV steps
0.8
VIN_LDO1 = 2.7V to 5.5V, LDO1_ILIM=11
0.75
Output Current
VIN_LDO1 = 2.4V to 2.7V, LDO1_ILIM=1X
0.4
-1
A
At default output voltage setting
VIN_LDO1 - VLDO1_OUT > 0.4V
Output Voltage Accuracy
Line Regulation
VNOM
1
%
VIN_LDO1 - VLDO1_OUT > 0.4V
VIN_LDO1 = 2.7V to 5.5V
ILDO1_OUT = 1mA
0.005
% / V
Load Regulation
Supply Current
ILDO1_OUT = 1mA to 750mA
Regulator Enabled No Load
Regulator Disabled
0.15
25
0
% / A
µA
42
1
LDO1_SS=00 (Default)
226
323
440
570
LDO1_SS=01 VLDO1_OUT = 10% to 90%
LDO1_SS=10 VLDO1_OUT = 1.8V Setting
LDO1_SS=11
Soft-Start Period
µs
Power Good Threshold
Power Good Hysteresis
VLDO1_OUT Rising
VLDO1_OUT Falling
92
93
3
94
%VNOM
%VNOM
Overvoltage Fault Threshold
Overvoltage Fault Hysteresis
VLDO1_OUT Rising
VLDO1_OUT Falling
107.5
110
3
112.5
%VNOM
%VNOM
Discharge Resistance
Enabled when regulator disabled
10
25
75
Ω
ILDO1_OUT = 200mA, VIN_LDO1 > 2.7V
ILDO1_OUT = 400mA, LDO1_ILIM=1X
200
300
mV
mV
Dropout Voltage
ILDO1_OUT = 750mA VIN_LDO1 > 2.7V
LDO_ILIM=11
400
mV
LDO1_ILIM=00
LDO1_ILIM=01
LDO1_ILIM=10
LDO1_ILIM=11
350
500
630
Output Current Limit
Startup Delay
-15%
31
+15%
mA
1000
Additional startup delay required before soft start
ramp LDO1_SS=00
44
65
µs
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