AS1374
Datasheet - Electrical Characteristics
6 Electrical Characteristics
VIN = VOUT + 0.5V, VOUT = 2.85V, CIN = COUT = 1µF, Typical values are at TAMB = +25ºC (unless otherwise specified). All limits are
guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods.
Table 3. Electrical Characteristics
Symbol
TAMB
VIN
Parameter
Condition
Min
-40
2
Typ
Max
+85
5.5
Unit
°C
V
Operating Temperature Range
Input Voltage Range
IOUT = 1mA, TAMB = +25ºC
IOUT = 100µA to 200mA, TAMB = +25ºC
IOUT = 100µA to 200mA
Each channel
-1
+1
VOUT
Output Voltage Accuracy
-1.5
-2.5
200
+1.5
+2.5
%
IOUT
IGND
ILIMIT
Maximum Output Current
Ground Current
mA
µA
µA
mA
One channel on, IOUT = 50µA
One channel on, IOUT = 200mA
OUT = short
25
30
50
55
Current Limit
210
300
400
Dropout Voltage 1
2V VOUT 2.5V, IOUT = 100mA
Both channels on, IOUT = 0.05mA
80
30
150
90
mV
IQ
Quiescent Current
µA
Both channels ON,
VIN = VOUTNOM - 0.1V, IOUT = 0mA
50
VLNR
VLDR
ISHDN
Line Regulation
Load Regulation
Shutdown Current
VIN = (VOUT +0.5V) to 5.5V, IOUT = 1mA
IOUT = 1 to 200mA
0.02
0.0005
0.01
85
%/V
%/mA
µA
OUT 1 and OUT 2 disable
f = 1kHz, IOUT = 10mA
2
PSRR
Ripple Rejection
f = 10kHz, IOUT = 10mA
65
dB
f = 100kHz, IOUT = 10mA
f = 100Hz to 100kHz, ILOAD = 20mA
50
Output Noise Voltage (RMS)
20
µV
Enable
Enable Input Bias Current
Enable Exit Delay 2
0.01
150
200
µA
µs
Both channels initially OFF
One channel initially OFF
Enable Logic Low Level
Enable Logic High Level
0.4
V
V
1.4
Thermal Protection
TSHDN
Thermal Shutdown Temperature
160
15
ºC
ºC
TSHDN
Thermal Shutdown Hysteresis
Load Capacitor Range
Maximum ESR Load
0.47
10
µF
m
COUT
Output Capacitor
500
1. Dropout is defined as VIN - VOUT when VOUT is 100mV below the value of VOUT for VIN = VOUT + 0.5V.
2. Time needed for VOUT to reach 90% of final value.
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