STC431 Datasheet, PDF (2/5 Pages) Suntac Electronic Corp. – Programmable Voltage Reference

STC431
Absolute maximum ratings
(Operating ambient temperature range applies unless other specified)
Parameter
Symbol
Cathode to anode voltage
V_KA
Cathode current range(Continuous)
I_K
Reference input current range(Continuous)
I_ref
Power dissipation
P_D*
Operating temperature range
T_opr
Storage temperature range
T_stg
Ratings
37
-100 ~+150
-0.05~+10
700
-40~+85
-65~+150
Unit
V
mA
mA
mW
°C
°C
Recommended operating conditions
Parameter
Symbol
Cathode to Anode voltage
V_KA
Cathode current range(Continuous)
I_K
Ratings
Min.
Max.
V_ref
36
1.0
100
Unit
V
mA
Electrical Characteristics
(Ambient temperature at 25°C, unless otherwise noted.)
Parameter
Symbol
Reference input voltage
(Fig. 1, Note 1)
Deviation of reference input voltage
Over temperature(Fig. 1, Note 1,2)
Ratio of change in reference input
Voltage to the change in cathode
Voltage(Fig. 2)
V_ref
∆V_ref
∆V_ref
∆V_KA
Reference input current(Fig. 2)
I_ref
Deviation of reference input voltage
over temperature(Fig. 2)
∆I_ref
Minimum cathode current for
Regulation(Fig. 1)
I_MIN
Off-state cathode current(Fig. 3)
I_OFF
Dynamic impedance(Fig. 1, Note 3)
Z_KA
Condition
V_KA=V_ref, I_K=10mA
V_KA=V_ref , I_K=10mA
@Ta=T_LOW to T_HIGH
I_K=10mA
∆V_KA=10V-V_ref
∆V_KA=36V-10V
I_K=10mA
R1=10KΩ, R2=∞
I_K=10mA
R1=10KΩ, R2=∞
V_KA=V_ref
V_KA=36V, V_ref=0V
V_KA=V_ref, f≤1.0KHz
I_KA=1.0mA-100mA
Min. Typ. Max. Unit
2.47 2.495 2.52
V
-
7.0
30
mV
-
1.2
2.7 mV/V
-
0.7
2.0
-
1.8
4.0
µA
-
0.4
2.5
µA
-
0.35 1.0 mA
-
2.7 1000 nA
-
0.14 0.5
Ω
Fig. 1
Fig. 2
Fig. 3
<Note 1> : T_LOW=-40°C, T_HIGH=+85°C , <Note 2> : ∆V_ref= V_ref Max. - V_ref Min. , <Note 3> : Z_KA= ∆V_KA/ ∆I_K
2