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TL431L_05 Datasheet, PDF (3/5 Pages) Unisonic Technologies – PROGRAMMABLE PRECISION REFERENCE | |||
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TL431L
LINEAR INTEGRATED CIRCUIT
 ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Cathode Voltage
VKA
20
V
Cathode Current Range (Continuous)
IKA
-100 ~ +150
mA
Reference Input Current Range
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature
IREF
-0.05 ~ +10
mA
TJ
150
°C
TOPR
0 ~ +70
°C
TSTG
-65 ~ +150
°C
Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
 RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
Cathode Voltage
VKA
VREF
20
Cathode Current
IKA
1
100
 ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified)
UNIT
V
mA
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Reference Input Voltage
VREF
VKA=VREF, IKA=10mA
2.450
Deviation of Reference Input Voltage
Over temperature (note 1)
ÎVREF/ÎT
VKA=VREF, IKA=10mA
0â¤TAâ¤70
Ratio of Change in Reference Input
Voltage to the Change in Cathode
Voltage
ÎVREF /ÎVKA IKA=10mA
ÎVKA=10V~VREF
ÎVKA=20V~10V
Reference Input Current
Deviation of Reference Input Current
Over Full Temperature Range
IREF
ÎIREF/ÎT
IKA=10mA, R1=10kΩ, R2=â
IKA=10mA, R1=10kΩ, R2=â
TA=full Temperature
Minimum Cathode Current for Regulation IKA(MIN) VKA=VREF
Off-State Cathode Current
IKA(OFF) VKA=20V, VREF=0
Dynamic Impedance
ZKA
VKA=VREF, IKA=1 ~ 100mA
fâ¤1.0kHz
Remark: Reference voltage of ±1% tolerance is also available per customerâs request.
TYP
2.50
4.5
-1.0
-0.5
1.5
0.4
0.45
0.05
0.15
MAX UNIT
2.550 V
17 mV
-2.7
-2.0
mV/V
4 μA
1.2 μA
1.0 mA
1.0 μA
0.5 Ω
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R103-014,E
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