Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS3431
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Cathode Voltage (V
Z
)
Continuous Cathode Current (I
Z
)
Reference Input Current (I
REF
)
Junction Temperature (T
J
)
Storage Temperature
Lead Temperature (Soldering, 10sec.)
37V
Internal Power Dissipation (P
D
)
TO-92 Package
SOT-23 Package
Thermal Resistance (
JA
)
TO-92 Package
SOT-23 Package
-10mA to +150mA
0.78W
0.28W
10mA
-40
°
C to +125
°
C
-65
°
C to +150
°
C
160
°
C/W
410
°
C/W
265
°
C
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 I
Z
=10 mA and T
A
= +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
V
Z
= V
REF
(circuit 1)
T
A
= +25
°
C to +85
°
C
T
A
= -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
Reference Voltage to
Cathode Voltage
V
Z
from V
REF
to 10V
-0.5
-2.7
-0.5
-2.7
-0.5
-2.7
mV/V
V
Z
from V
REF
to 36V
-1.0
-2.0
-1.0
-2.0
-1.0
-2.0
mV/V
Reference Input Current
R1 =10k
, R2 =
∞
(test circuit 2)
0.5
4.0
0.5
4.0
0.5
4.0
μ
A
Reference Input Current
Deviation over
Temperature
R1 =10k
, R2 =
∞
T
A
= Full Range
(test circuit 2)
0.4
1.2
0.4
1.2
0.4
1.2
μ
A
Off State Cathode
Current
V
Z
= 36V, V
REF
= 0V
( test circuit 3)
0.04
0.5
0.04
0.5
0.04
0.5
μ
A
Dynamic Output
Impedance
f < 1KHz, V
Z
= V
REF
I
=100
μ
A to 100mA
(test circuit 1)
0.25
0.5
0.25
0.5
0.25
0.5
Minimum Operating
Current
V
Z
= V
REF
(test circuit 1)
100
250
100
250
100
250
μ
A
RECOMMENDED OPERATING CONDITIONS:
Min
V
REF
0.25mA
Max
36 V
120mA
Cathode Voltage, (V
Z
)
Cathode Current, (I
Z
)