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AS1371 数据表(PDF) 4 Page - ams AG

部件名 AS1371
功能描述  400mA, Low Input Voltage, Low Quiescent Current LDO
PDF  14 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS1371 数据表(HTML) 4 Page - ams AG

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www.austriamicrosystems.com
Revision 1.04
4 - 14
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
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
VIN
Input Voltage
1.2
3.6
V
VOUT
Output Voltage
Available in 50mV steps, see
Ordering Information on page 13
0.6
3.3
V
Output Voltage Accuracy
TAMB = +25ºC, IOUT = 1mA,
VOUT > 1V
-1
+1
%
TAMB = -40 to +85ºC, IOUT = 1mA,
VOUT > 1V
-2.7
+2.7
IOUT
Maximum Output Current
400
mA
ILIM
Current Limit
650
mA
IQ
Quiescent Current
IOUT = 0mA
15
20
µA
IOUT = 400mA
50
VIN-VOUT
Dropout Voltage
1
IOUT = 100mA
20
50
mV
IOUT = 400mA
80
ΔVLNR
Line Regulation
IOUT = 1mA
-15
0
+15
mV
ΔVLDR
Load Regulation
IOUT = 1mA to 400mA
0.003
%/mA
Output Voltage Noise
f = 10Hz to 100kHz, IOUT = 10mA
100
µVRMS
PSRR
Output Voltage AC
Power-Supply Rejection Ratio
f = 10kHz, IOUT = 10mA
50
dB
Shutdown
2
tON
Exit Delay from Shutdown
3,4
90
150
µs
IOFF
Enable Supply Current
EN = GND, TAMB = +25ºC
0.01
1
µA
EN = GND, TAMB = +85ºC
0.04
VIH
Enable Input Threshold
1.0
V
VIL
0.4
IEN
Enable Input Bias Current
EN = IN or GND, TAMB = +25ºC
0.03
100
nA
EN = IN or GND, TAMB = +85ºC
0.2
Power-OK Output
VPOK
Power-OK Voltage Threshold
5
SENSE = GND, VPOKFALLING
90
94
97
% VOUT
SENSE = GND, Hysteresis
1
VSENSE
Power-OK Sense Voltage
Threshold
VOUT
= 1.05V, VSENSE falling
650
800
950
mV
Hysteresis
50
VOL
POK Output Voltage Low
ISINK = 100µA
0.4
V
IPOK
POK Output Leakage Current
0
≤ VPOK ≤ 3.6V, TAMB = +25ºC,
VOUT in regulation
1µA



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