AMS255(OLD) データシートの表示（PDF） - Advanced Monolithic Systems Inc
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AMS255 Datasheet PDF : 4 Pages
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ABSOLUTE MAXIMUM RATINGS (Note 1)
Reverse Current
10mA
Forward Current
10mA
Lead Temperature
SOT-23 packages:
Vapor phase (60 sec)
215°C
Infrared (15 sec.)
220°C
AMS255
Storage temperature
Internal Power Dissipation (PD)
SOT-23 Package
Thermal Resistance (θJA)
SOT-23 Package
-65°C to +150°C
0.28W
410°C/W
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IR =1000 µA and TA = +25°C unless otherwise specified.
Parameter
Conditions
AMS255A
Min. Typ. Max.
AMS255B
Min. Typ. Max.
Output Voltage
2.475
2.500
2.525
2.450
2.500
2.550
Output Impedance
0.6
2
0.6
2
RMS Noise Voltage
10Hz ≤ f ≤ 10kHz
15
30
Temperature Coefficient
TA = Full Range
60
100
Turn-On Settling
Operating Current
0.1% of VOUT
(Note 3)
30
30
0.1
5
0.1
5
Units
V
Ω
µVrms
ppm/°C
µsec
mA
Note1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and test conditions, see the
Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed.
Note 2: Parameters identified with boldface type apply at temperature extremes. All other numbers apply at TA = TJ = 25°C.
Note 3: Optimum performance is obtained at currents below 1000µA.
TYPICAL APPLICATIONS
Shunt Regulator
VS
RS
VR
AMS255
IQ + IL
IL
IQ
Precision ± 2.500V Reference
+5V ±5%
904Ω, 1%
AMS255
47kΩ, 0.1%
47kΩ, 0.1%
+5V
0.1µF
+2.500V
-
1/2
LMC6062
+
0.1µF
-5V
-2.500V
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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