ACT81460
Rev 1.0, 18-Dec-2018
LDO1 AND LDO2 ELECTRICAL CHARACTERISTICS
(VINL1 =VINL2 = 3.6V, TA = 25°C, unless otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Operating Voltage Range VINL1,2 (Input Voltage) to LDO1,2
1.5
VSYS
V
Output Voltage Programmable
Configurable in 50mV steps
Range
0.6
3.6
V
Output Current
VOUTL1,2 < VINL1,2 – 0.25V
100
-3
mA
%
Output Voltage Accuracy
1.2V < VOUTL1,2 < VINL1,2 – 0.25V
0.6V < VOUTL1,2 < 1.2V
VNOM
VNOM
3
-36
36
mV
VINL1,2 - VOUTL1,2 > 0.25V, VINL1,2= 2.7V to VSYS.
Line Regulation
Load Regulation
0.02
%/V
ILDO1,2 = 10mA. (Note 2)
ILDO1 = 1mA to 100mA
f = 1kHz, ILDO1 = 10mA
2.0
%/A
dB
59.6
55.5
10.6
Power Supply Rejection Ratio f = 10kHz, ILDO1 = 10mA
f = 2.25MHz, ILDO1 = 10mA
dB
dB
Regulator Enabled, no load, UV/OV and Current
Limit Monitors are OFF.
Iq1, Supply Current
Iq2, Supply Current
0.4
0.5
0.5
0.6
µA
µA
Regulator Enabled, no load, UV/OV and Current
Limit Monitors are ON.
Soft-Start Ramp Rate
Power Good Threshold
Power Good Hysteresis
Overvoltage Fault Threshold
Overvoltage Fault Hysteresis
Discharge Resistance
Dropout Voltage
1.7
92
3
V/ms
% VNOM
% VNOM
% VNOM
% VNOM
Ω
VOUTL1,2 Rising
88
96
VOUTL1,2 Falling
VOUTL1,2 Rising
105
110
3
115
VOUTL1,2 Falling
VOUTL1,2 = 0.1V
ILDOL1,2 = 50mA,
VINL1,2 = 1.5V to VSYS
80
100
mV
Output Current Limit
120
mA
70% of setpoint.
VOUTL1 = 3.2V
Tstart, Time from EN to POK
2300
1500
µs
V
OUTL2 = 1.8V
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17
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