TL431-AB3-T Просмотр технического описания (PDF) - Unisonic Technologies
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TL431-AB3-T Datasheet PDF : 6 Pages
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TL431
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Cathode Voltage
VKA
37
V
Cathode Current Range(Continuous)
IKA
-100 ~ +150
mA
Reference Input Current Range
IREF
-0.05 ~ +10
mA
TO-92
770
mW
Power Dissipation
SOT-89
PD
800
mW
SOT-23/SOT-25
300
mW
Operating Junction Temperature
TJ
+150
°C
Operating Ambient Temperature
TOPR
-40 ~ +85
°C
Storage Temperature
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
Cathode Voltage
Cathode Current
PARAMETER
SYMBOL
VKA
IKA
MIN
VREF
1
TYP
MAX
36
100
UNIT
V
mA
ELECTRICAL CHARACTERISTICS (TC= 25℃, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
Reference Input Voltage
VREF VKA=VREF,IKA=10mA
Deviation of reference Input Voltage Over
temperature
∆VREF/∆T
VKA=VREF,IKA=10mA
0°C≦Ta≦70°C
Ratio of
Voltage to
Change in Reference Input
the Change in Cathode Voltage
∆VREF/∆VKA
IKA=10mA
∆VKA=10V~VREF
∆VKA=36V~10V
Reference Input Current
IREF IKA=10mA, R1=10kΩ, R2=∞
Deviation of Reference Input Current Over
Full Temperature Range
∆IREF/∆T
IKA=10mA, R1=10kΩ, R2=∞
Ta =full Temperature
Minimum Cathode Current for Regulation IKA(MIN) VKA=VREF
Off-State Cathode Current
IKA(OFF) VKA=36V, VREF=0
Dynamic Impedance
ZKA
VKA=VREF, IKA=1 to 100mA
f≤1.0kHz
MIN TYP MAX UNIT
2.470 2.495 2.520 V
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
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 6
QW-R103-003,R
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