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AS1376 数据表(PDF) 5 Page - ams AG

部件名 AS1376
功能描述  1A, Low Input Voltage, Low Quiescent Current LDO
PDF  20 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS1376 数据表(HTML) 5 Page - ams AG

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www.austriamicrosystems.com/LODs/AS1376
Revision 1.4
4 - 19
AS1376
Datasheet - Electrical Character i s t ics
6 Electrical Characteristics
VIN = VOUT + 0.2V, VBIAS = VOUT + 1.5V (or 2.5V whichever is larger), EN = VBIAS, CIN = COUT = 1µF, CBIAS = 4.7µF, TAMB = -40ºC to
+85ºC. Typical values are at TAMB = +25ºC (unless otherwise specified).
Table 3. Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
TAMB
Operating Temperature Range
-40
+85
°C
VIN
Input Voltage
0.7
3.6
V
VBIAS
Bias Supply Voltage
2.5
5.5
V
VOUT
Output Voltage
Available in 100mV steps
(see Ordering Information on page 18)
0.5
3.3
V
VOUT(NOM)
- VOUT
Output Voltage Accuracy
IOUT = 100µA
-1.5
+1.5
%
IOUT = 0A to 1A
-2
+2
VFB
Feedback Voltage
1
IOUT = 100µA
492
500
508
mV
IOUT = 0A to 1A
490
500
510
VOUT /
VIN
Line Regulation VIN
IOUT = 100µA
40
µV/V
VOUT /
VBIAS
Line Regulation VBIAS
IOUT = 100µA
135
µV/V
VLDR
Load Regulation
IOUT = 1mA to 1A
0.0002
%/mA
IOUT
Output Current
2
1A
ILIM
Current Limit
VOUT forced to 90% of nominal VOUT
1.35
A
VDROP -VIN
Output Voltage Dropout VIN
VBIAS = VOUT + 1.5V, IOUT = 1A
120
mV
VBIAS = VOUT + 1.8V, IOUT = 1A
115
VBIAS = VOUT + 2.1V, IOUT = 1A
110
mV
VBIAS = 5.5V, IOUT = 1A
105
VDROP -
VBIAS
Output Voltage Dropout VBIAS
IOUT = 500mA
0.85
V
IOUT = 1A
1.1
En
Output Voltage Noise
f = 10Hz to 100kHz, IOUT = 1mA
65
µVRMS
PSRR - VIN
Power-Supply Rejection Ratio
Sine modulated VIN
f = 100Hz, IOUT = 10mA
78
dB
f = 1kHz, IOUT = 10mA
61
f = 10kHz, IOUT = 10mA
54
f = 100kHz, IOUT = 10mA
60
PSRR -
VBIAS
Power-Supply Rejection Ratio
Sine modulated VBIAS
f = 100Hz, IOUT = 10mA
69
dB
f = 1kHz, IOUT = 10mA
51
f = 10kHz, IOUT = 10mA
45
f = 100kHz, IOUT = 10mA
45
IQ_VBIAS
Quiescent Current into VBIAS
60
120
µA
IQ_VIN
Quiescent Current into VIN
IOUT = 0mA
6.5
8
ISHDN -
VBIAS
Shutdown Current into VBIAS
VEN = 0V
0.02
µA
ISHDN -
VIN
Shutdown Current into VIN
0.02



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