www.austriamicrosystems.com/LDOs/AS1371 Revision 1.6 4 - 17
AS1371
Datasheet - Electrical Characteristics
6 Electrical Characteristics
VIN = VOUT (Nominal) + 0.5V, EN = IN, CIN = COUT = 1µF, TAMB = -40°C to +85ºC (unless otherwise specified).
Typical Values are at TAMB = +25ºC.
Table 3. Electrical Characteristics
Symbol Parameter Conditions Min Typ Max Units
TAMB Operating Temperature Range -40 +85 °C
VIN Input Voltage 1.2 3.6 V
V
OUT Output Voltage
Available in 50mV steps,
see Ordering Information on page 16
0.6 3.3 V
Output Voltage Accuracy
T
AMB = +25ºC, IOUT = 1mA, VOUT >
1V
-2 +2
%
T
AMB = -40 to +85ºC, IOUT = 1mA,
V
OUT > 1V
-3.5 +3.5
IOUT Maximum Output Current 400 mA
I
LIM
Current Limit 650 mA
I
Q Quiescent Current
I
OUT = 0mA 15 20
µA
I
OUT = 400mA 50
V
IN-VOUT
Dropout Voltage
1
IOUT = 100mA 20 50
mV
IOUT = 400mA 80
V
LNR
Line Regulation IOUT = 1mA -15 0 +15 mV
V
LDR
Load Regulation IOUT = 1mA to 400mA 0.003 %/mA
Output Voltage Noise f = 10Hz to 100kHz, IOUT = 10mA 100
µV
RMS
PSRR
Output Voltage AC
Power-Supply Rejection Ratio
f = 10kHz, IOUT = 10mA 50 dB
C
OUT Output Capacitor
Load Capacitor Range 0.47 1 µF
ESR Load 500 m
Shutdown
2
t
ON
Exit Delay from Shutdown
3,4
90 150 µs
I
OFF
Enable Supply Current
EN = GND, T
AMB = +25ºC 0.01 1
µA
EN = GND, TAMB = +85ºC 0.04
V
IH
Enable Input Threshold
1.0
V
V
IL 0.4
I
EN
Enable Input Bias Current
EN = IN or GND, T
AMB = +25ºC 0.03 100
nA
EN = IN or GND, TAMB = +85ºC 0.2
Power-OK Output
V
POK
Power-OK Voltage Threshold
5
SENSE = GND, V
POKFALLING
90 94 97
% V
OUT
SENSE = GND, Hysteresis 1
V
SENSE
Power-OK Sense Voltage Threshold
V
OUT 1.05V, VSENSE falling 650 800 950
mV
Hysteresis 50
V
OL
POK Output Voltage Low ISINK = 100µA 0.4 V
