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Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94506
Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
B431
Absolute Max Ratings
Recommended Operating Conditions
Min
Max
Symbol
Cathode Voltage, Vz
VREF
36
V
Cathode Current, Iz
0.1
100
mA
Electrical Characteristics
Unless specified: T٨ = 25°C. Values in bold apply over full operating ambient temperature.
B431 0.5%
Parameter
Symbol
Condition
Min
Typ
Max
Units
Reference Voltage
VREF
VZ = VREF1 IZ = 10mA
(1)
2.483
2.495
2.507
V
VREF Temp Deviation
VDEV
VZ = VREF1 IZ = 10mA
(1)
4
17
mV
IZ = 10mA,∆VZ = 10V to VRef
-1.0
-2.7
Ratio of Change in
VREF To Change in VZ
∆ VREF
∆VZ
IZ = 10mA,∆VZ = 36V to 10V
-0.4
-2.0
mV/V
Reference Input
Current
IREF
R1 = 10k
Ω, R2 = ∞,
IZ = 10mA
(2)
0.7
4
µA
IREF Temperature
Deviation
IREF(DEV)
R1 = 10k
Ω, R2 = ∞,
IZ = 10mA
(2)
0.4
1.2
µA
Off-State Cathode
Current
IZ (OFF)
VREF = 0V, VZ =36V
(3)
0.1
1
µA
Dynamic Output
Impedance
rz
F <1kHz, VZ = VREF
IZ = 1mA to 100mA
(1)
0.20
0.50
Ω
Minimum Operating
Current
IZ(MIN)
VZ = VREF
(1)
0.4
1
mA
Parameter
Symbol
Maximum
Units
Cathode Voltage
Vz
37
V
Continuous Cathode Current
Iz
150
mA
Reference Input Current
IREF
10
mA
Power Dissipation at TA - 25°C
SOT-89
S0-8
TO-92
PD
1000
750
775
mW
Thermal Resistance
S0-8
TO-92
SOT-89
OJA
175
160
110
°C/W
Operating Junction Temperature Range
TJ
-40 to +150
°C
Operating Ambient Temperature
TA
-40 to +105
°C
Storage Temperature Range
TSTG
-65 to +150
°C
Lead Temperature (Soldering) 10 seconds
TLEAD
300
°C
ESD Rating (Human Body Model)
TESD
2
kV
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