ACT81460
Rev 1.0, 18-Dec-2018
LDO3 ELECTRICAL CHARACTERISTICS
(VINL3 = 3.6V, TA = 25°C, unless otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Operating Voltage Range VINL3 (Input Voltage) to LDO3
1.2
VSYS
V
Output Voltage Programmable
Configurable in 50mV steps
Range
0.6
3.6
V
Output Current
Output Current
VOUTL3 < VINL3 – 0.25V, VINL3 > 1.5V
100
40
mA
mA
VOUTL3 < VINL3 – 0.25V, 1.5V > VINL3 > 1.2V
1.2V < VOUTL3 < VINL3 – 0.25V
0.65V < VOUTL3 < 1.2V
-3
VNOM
VNOM
3
%
Output Voltage Accuracy
-36
36
mV
VOUTL3 < VINL3 – 0.25V, VINL3 = 1.5V to VSYS, ILDO3
10mA.
=
Line Regulation
Load Regulation
0.02
%/V
ILDO3 = 1mA to 100mA.
f = 1kHz, ILDO3 = 10mA,
f = 10kHz, ILDO3 = 10mA
f = 2.25MHz, ILDO3 = 10mA
Regulator Disabled
3.0
64
%/A
dB
Power Supply Rejection Ratio
56.9
13.9
dB
dB
Supply Current per Output
Iq1, Supply Current
0.1
0.5
µA
Regulator Enabled, no load, UV/OV and Current
Limit Monitors are OFF.
0.4
0.5
µA
µA
Regulator Enabled, no load, UV/OV and Current
Limit Monitors are ON.
Iq2, Supply Current
0.6
Soft-Start Period
Time from soft start “ON” to PGOOD
VOUTL3 Rising
1000
92
3
µs
% VNOM
% VNOM
% VNOM
% VNOM
Ω
Power Good Threshold
Power Good Hysteresis
Overvoltage Fault Threshold
Overvoltage Fault Hysteresis
Discharge Resistance
Dropout Voltage
88
96
VOUTL3 Falling
VOUTL3 Rising
105
110
3
115
VOUTL3 Falling
VOUTL3 = 0.1V
80
IOUT3 = 50mA, VOUT3 = 1.2V
VINL3 = 1.5V to VSYS
70% of setpoint.
140
mV
Output Current Limit
120
mA
Tstart, Time from EN to POK
1100
µs
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18
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