®
ACT5830
Rev 2, 20-Jan-11
LDO5
ELECTRICAL CHARACTERISTICS
(VIN1 = 3.6V, COUT5 = 1µF, TA = 25°C unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN
3.1
TYP
MAX UNIT
Input Supply Range
5.5
3.1
V
V
V
Input Under Voltage Lockout
UVLO Hysteresis
V
IN1 Input Rising
IN1 Input Falling
2.9
3
0.1
0
V
TA = 25°C
-1.2
-2.5
2
3
Output Voltage Accuracy
%
TA = -40°C to 85°C
0
Line Regulation Error
Load Regulation Error
V
IN5 = Max (VNOM1 + 0.5V, 3.1V) to 5.5V
0
mV/V
%/mA
I
OUT5 = 1mA to 150mA
-0.004
70
60
40
0
f = 1kHz, IOUT5 = 150mA, COUT5 = 1µF
f = 10kHz, IOUT5 = 150mA, COUT5 = 1µF
LDO5 Enabled
Power Supply Rejection Ratio
dB
µA
Supply Current per Output
LDO5 Disabled
Dropout Voltage2
Output Current
Current Limit
IOUT5 = 80mA
100
200
150
mV
mA
mA
VOUT5 = 95% of Regulation Voltage
165
260
0.45 x ILIM
100
Current Limit Short Circuit Foldback VOUT5 = 0V
Internal Soft-Start
µs
%
Power Good Flag High Threshold
Output Noise
VOUT5, Hysteresis = -1%
89
COUT5 = 10µF, f = 10Hz to 100kHz
40
µVRMS
µF
Stable COUT5
1
20
c: VNOM refers to the nominal output voltage level for LDO5 as defined by the Ordering Information section.
2: Dropout Voltage is defined as the different voltage between input and output when the output voltage drops 100mV below the regu-
lation voltage at 1V differential voltage.
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