®
ACT5830
Rev 2, 20-Jan-11
LDO3
ELECTRICAL CHARACTERISTICS
(VIN1 = 3.6V, COUT3 = 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
IN3 = Max (VNOM1 + 0.5V, 3.1V) to 5.5V
0
mV/V
%/mA
I
OUT3 = 1mA to 100mA
-0.004
60
50
40
0
f = 1kHz, IOUT3 = 100mA, COUT3 = 1µF
f = 10kHz, IOUT3 = 100mA, COUT3 = 1µF
LDO3 Enabled
Power Supply Rejection Ratio
dB
µA
Supply Current per Output
LDO3 Disabled
Dropout Voltage2
IOUT3 = 50mA
100
200
100
mV
mA
mA
Output Current
Current Limit
V
OUT3 = 95% of Regulation Voltage
OUT3 = 0V
115
180
0.45 x ILIM
100
Current Limit Short Circuit Foldback
Internal Soft-Start
V
µs
%
Power Good Flag High Threshold
Output Noise
V
OUT3, Hysteresis = -1%
89
COUT3 = 10µF, f = 10Hz to 100kHz
40
µVRMS
µF
Stable COUT3
1
20
c: VNOM refers to the nominal output voltage level for LDO3 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.
Innovative PowerTM
- 27 -
www.active-semi.com
ActivePMUTM is a trademark of Active-Semi.
I2CTM is a trademark of NXP.
Copyright © 2010 Active-Semi, Inc.