TL431B 查看數據表（PDF） - Diodes Incorporated.
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TL431B Datasheet PDF : 14 Pages
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TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
Absolute Maximum Ratings (Note 4)
Symbol
Parameter
Rating
Unit
VKA
Cathode Voltage
40
V
IKA
Continuous Cathode Current
150
mA
IREF
Reference Input Current
TJ
Operating Junction Temperature
TST
Storage Temperature
SOT23
-0.050 to +10
mA
+150
°C
-55 to +150
°C
330
PD
Power Dissipation (Notes 5, 6)
SOT25
SO-8*
500
mW
700
Notes:
4. Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings, for extended periods, may
reduce device reliability. Unless otherwise stated voltages specified are relative to the ANODE pin.
5. TJ, MAX =150°C.
6. Ratings apply to ambient temperature at 25°C.
Recommended Operating Conditions
Symbol
VKA
IKA
TA
Parameter
Cathode Voltage
Cathode Current
Operating Ambient Temperature
Min
VREF
1
-40
Max
36
100
+125
Unit
V
mA
°C
TL431
*SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
2 of 14
www.diodes.com
April 2012
© Diodes Incorporated
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