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AMS3431AN Datasheet(PDF) 2 Page - Advanced Monolithic Systems

Part # AMS3431AN
Description  PRECISION ADJUSTABLE SHUNT REGULATOR
PDF  6 Pages
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Manufacturer  ADMOS [Advanced Monolithic Systems]
Direct Link  http://www.advanced-monolithic.com
Logo ADMOS - Advanced Monolithic Systems

AMS3431AN Datasheet(HTML) 2 Page - Advanced Monolithic Systems

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Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
AMS3431
ABSOLUTE MAXIMUM RATINGS (Note 1)
Cathode Voltage (VZ)
37V
Internal Power Dissipation (PD)
Continuous Cathode Current (IZ)
-10mA to +150mA
TO-92 Package
0.78W
Reference Input Current (IREF)
10mA
SOT-23 Package
0.28W
Junction Temperature (TJ)
-40
°C to +125°C
Thermal Resistance (
ϕ
JA)
Storage Temperature
-65
°C to +150°C
TO-92 Package
160
°C/W
Lead Temperature (Soldering, 25sec.)
265
°C
SOT-23 Package
410
°C/W
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the
device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical
Characteristics
. The guaranteed specifications apply only for the test conditions listed.
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IZ =10 mA and TA = +25°C unless otherwise specified.
Parameter
Conditions
AMS3431A
Min
Typ
Max
AMS3431B
Min
Typ
Max
AMS3431C
Min
Typ
Max
Units
Reference Voltage
2.489
2.495
2.501
2.483
2.495
2.507
2.470
2.495
2.520
V
Deviation of Reference
Input Voltage over
Temperature
VZ = VREF (circuit 1)
TA = +25°C to +85°C
TA = -40°C to +25°C
8.0
8.0
15
15
8.0
8.0
15
15
8.0
8.0
15
15
mV
mV
Ratio of Change in
VZ from VREF to 10V
-0.5
-2.7
-0.5
-2.7
-0.5
-2.7
mV/V
Reference Voltage to
Cathode Voltage
VZ from VREF to 36V
-1.0
-2.0
-1.0
-2.0
-1.0
-2.0
mV/V
Reference Input
Current
R1 =10k
Ω, R2 = ∞Ω
(test circuit 2)
0.5
4.0
0.5
4.0
0.5
4.0
µA
Reference Input
Current Deviation over
Temperature
R1 =10k
Ω, R2 = ∞Ω
TA = Full Range
(test circuit 2)
0.4
1.2
0.4
1.2
0.4
1.2
µA
Off State Cathode
Current
VZ = 36V, VREF =
0V
( test circuit 3)
0.04
0.5
0.04
0.5
0.04
0.5
µA
Dynamic Output
Impedance
f < 1KHz, VZ = VREF
IZ =100µA to 100mA
(test circuit 1)
0.25
0.5
0.25
0.5
0.25
0.5
Ω
Minimum Operating
Current
VZ = VREF
(test circuit 1)
100
250
100
250
100
250
µA
RECOMMENDED OPERATING CONDITIONS:
Min
Max
Cathode Voltage, (VZ)
VREF
36 V
Cathode Current, (IZ)
0.25mA
120mA



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