TL431A Datasheet, PDF (2/5 Pages) Unisonic Technologies – PROGRAMMABLE PRECISION REFERENCE

UTC TL431A LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified))
PARAMETER
SYMBOL
VALUE
UNIT
Cathode Voltage
VKA
37
V
Cathode Current Range(Continuous)
IKA
-100 ~ +150
mA
Reference Input Current Range
Iref
-0.05 ~ +10
mA
Operating Junction Temperature
Tj
150
°C
Operating Ambient Temperature
Topr
-40 ~ +85
°C
Storage Temperature Temperature
Tstg
-65 ~ +150
°C
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
Cathode Voltage
VKA
VREF
Cathode Current
IKA
1
MAX
36
100
UNIT
V
mA
ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Reference Input Voltage
Vref
VKA=VREF,IKA=10mA
2.483 2.495 2.507 V
Deviation of reference Input Voltage ∆Vref/∆T
Over temperature(note 1)
Ratio of Change in Reference Input
Voltage to the Change in Cathode ∆Vref /∆VKA
Voltage
Reference Input Current
Iref
Deviation of Reference Input Current ∆Iref/∆T
Over Full Temperature Range
Minimum Cathode Current for
IKA(min)
Regulation
Off-State Cathode Current
IKA(OFF)
Dynamic Impedance
ZKA
Note:TMIN=0°C,TMAX=+70°C
VKA=VREF,IKA=10mA
TMIN<=TA<=TMAX
∆VKA=10V~VREF
IKA=10mA ∆VKA=36V~10V
IKA=10mA,R1=10kΩ, R2=∞
IKA=10mA,R1=10kΩ, R2=∞
TA=full Temperature
VKA=VREF
VKA=36V,VREF=0
VKA=VREF, IKA=1 to 100mA
f≤1.0kHz
4.5 17 mV
-1.0 -2.7 mV/V
-0.5 -2.0
1.5 4 µA
0.4 1.2 µA
0.45 1.0 mA
0.05 1.0 µA
0.15 0.5 Ω
UTC UNISONIC TECHNOLOGIES CO., LTD.
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QW-R103-007,D