AS1371
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
V
IN
= V
OUT
(Nominal) + 0.5V, EN = IN, C
IN
= C
OUT
= 1µF, T
AMB
= -40°C to +85ºC (unless otherwise specified). Typical
Values are at T
AMB
= +25ºC.
Table 3. Electrical Characteristics
Symbol
V
IN
V
OUT
Parameter
Input Voltage
Output Voltage
Available in 50mV steps, see
T
AMB
= +25ºC, I
OUT
= 1mA,
V
OUT
> 1V
Output Voltage Accuracy
T
AMB
= -40 to +85ºC, I
OUT
= 1mA,
V
OUT
> 1V
Conditions
Min
1.2
0.6
-1
-2.7
400
650
I
OUT
= 0mA
I
OUT
= 400mA
I
OUT
= 100mA
I
OUT
= 400mA
I
OUT
= 1mA
I
OUT
= 1mA to 400mA
f = 10Hz to 100kHz, I
OUT
= 10mA
f = 10kHz, I
OUT
= 10mA
-15
15
50
20
80
0
0.003
100
50
+15
50
20
Typ
Max
3.6
3.3
+1
%
+2.7
mA
mA
µA
Units
V
V
I
OUT
I
LIM
I
Q
Maximum Output Current
Current Limit
Quiescent Current
1
V
IN
-V
OUT
ΔV
LNR
ΔV
LDR
Dropout Voltage
mV
mV
%/mA
µV
RMS
dB
Line Regulation
Load Regulation
Output Voltage Noise
PSRR
Shutdown
t
ON
I
OFF
V
IH
V
IL
I
EN
2
Output Voltage AC
Power-Supply Rejection Ratio
Exit Delay from Shutdown
Enable Supply Current
3,4
90
EN = GND, T
AMB
= +25ºC
EN = GND, T
AMB
= +85ºC
1.0
0.01
0.04
150
1
µs
µA
Enable Input Threshold
EN = IN or GND, T
AMB
= +25ºC
EN = IN or GND, T
AMB
= +85ºC
0.4
0.03
0.2
100
V
Enable Input Bias Current
nA
Power-OK Output
V
POK
Power-OK Voltage Threshold
Power-OK Sense Voltage
Threshold
POK Output Voltage Low
POK Output Leakage Current
5
SENSE = GND, V
POKFALLING
SENSE = GND, Hysteresis
V
OUT
=
1.05V, V
SENSE
falling
Hysteresis
I
SINK
= 100µA
0
≤
V
POK
≤
3.6V, T
AMB
= +25ºC,
V
OUT
in regulation
90
94
1
97
% V
OUT
V
SENSE
V
OL
I
POK
650
800
50
950
mV
V
µA
0.4
1
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