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AS1374-BWLT1821 Datasheet(PDF) 5 Page - ams AG

Part # AS1374-BWLT1821
Description  Dual 200mA, Low-Noise, High-PSRR, Low Dropout Regulators
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1374-BWLT1821 Datasheet(HTML) 5 Page - ams AG

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AS1374
Datasheet - Electrical Character i s t ics
www.austriamicrosystems.com/LDOs/AS1374
Revision 1.8
4 - 18
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
Parameter
Condition
Min
Typ
Max
Unit
TAMB
Operating Temperature Range
-40
+85
°C
VIN
Input Voltage Range
2
5.5
V
VOUT
Output Voltage Accuracy
IOUT = 1mA, TAMB = +25ºC
-1
+1
%
IOUT = 100µA to 200mA, TAMB = +25ºC
-1.5
+1.5
IOUT = 100µA to 200mA
-2.5
+2.5
IOUT
Maximum Output Current
Each channel
200
mA
IGND
Ground Current
One channel on, IOUT = 50µA
25
50
µA
One channel on, IOUT = 200mA
30
55
µA
ILIMIT
Current Limit
OUT = short
210
300
400
mA
Dropout Voltage
1
1. Dropout is defined as VIN - VOUT when VOUT is 100mV below the value of VOUT for VIN = VOUT + 0.5V.
2V
VOUT  2.5V, IOUT = 100mA
80
150
mV
IQ
Quiescent Current
Both channels on, IOUT = 0.05mA
30
90
µA
Both channels ON,
VIN = VOUTNOM - 0.1V, IOUT = 0mA
50
VLNR
Line Regulation
VIN = (VOUT +0.5V) to 5.5V, IOUT = 1mA
0.02
%/V
VLDR
Load Regulation
IOUT = 1 to 200mA
0.0005
%/mA
ISHDN
Shutdown Current
OUT 1 and OUT 2 disable
0.01
2
µA
PSRR
Ripple Rejection
f = 1kHz, IOUT = 10mA
85
dB
f = 10kHz, IOUT = 10mA
65
f = 100kHz, IOUT = 10mA
50
Output Noise Voltage (RMS)
f = 100Hz to 100kHz, ILOAD = 20mA
20
µV
Enable
Enable Input Bias Current
0.01
µA
Enable Exit Delay
2
2. Time needed for VOUT to reach 90% of final value.
Both channels initially OFF
150
µs
One channel initially OFF
200
Enable Logic Low Level
0.4
V
Enable Logic High Level
1.4
V
Thermal Protection
TSHDN
Thermal Shutdown Temperature
160
ºC
TSHDN
Thermal Shutdown Hysteresis
15
ºC
COUT
Output Capacitor
Load Capacitor Range
0.47
10
µF
Maximum ESR Load
500
m


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