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TL431AQDBVR 产品设计参考手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电压基准芯片
封装:
SOT-23-5
描述:
可调式精密并联稳压器 ADJUSTABLE PRECISION SHUNT REGULATORS
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TL431AQDBVR数据手册
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TL431 Absolute maximum ratings and operating conditions
Doc ID 4467 Rev 7 3/16
2 Absolute maximum ratings and operating conditions
Table 1. Absolute maximum ratings
Symbol Parameter Value Unit
V
KA
Cathode to anode voltage 37 V
I
k
Continuous cathode current range -100 to +150 mA
I
ref
Reference input current range -0.05 to +10 mA
R
thja
Thermal resistance junction to ambient
(1)
TO-92
SO-8 batwing
1. Short-circuits can cause excessive heating. These values are typical.
200
85
°C/W
R
thjc
Thermal resistance junction to case
(1)
SO-8 batwing
30 °C/W
T
stg
Storage temperature range -65 to +150 °C
ESD
TL431IY TL431AIY: HBM: human body model
(2)
TL431: HBM: human body model
MM: machine model
(3)
CDM: charged device model
(4)
2. Human body model: a 100 pF capacitor is charged to the specified voltage, then discharged through a
1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations
while the other pins are floating.
3. Machine model: a 200 pF capacitor is charged to the specified voltage, then discharged directly between
two pins of the device with no external series resistor (internal resistor < 5 Ω). This is done for all couples of
connected pin combinations while the other pins are floating.
4. Charged device model: all pins and the package are charged together to the specified voltage and then
discharged directly to the ground through only one pin. This is done for all pins.
3000
2000
200
1500
V
Table 2. Operating conditions
Symbol Parameter Value Unit
V
KA
Cathode to anode voltage V
ref
to 36 V
I
k
Cathode current 1 to 100 mA
T
oper
Operating free-air temperature range
TL431C/AC
TL431I/AI
TL431IY/AIY
0 to +70
-40 to +105
-40 to +125
°C
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