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TL431CLPRAG 数据表(PDF) 4 Page - ON Semiconductor

部件名 TL431CLPRAG
功能描述  PROGRAMMABLE PRECISION REFERENCES
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

TL431CLPRAG 数据表(HTML) 4 Page - ON Semiconductor

  TL431CLPRAG Datasheet HTML 1Page - ON Semiconductor TL431CLPRAG Datasheet HTML 2Page - ON Semiconductor TL431CLPRAG Datasheet HTML 3Page - ON Semiconductor TL431CLPRAG Datasheet HTML 4Page - ON Semiconductor TL431CLPRAG Datasheet HTML 5Page - ON Semiconductor TL431CLPRAG Datasheet HTML 6Page - ON Semiconductor TL431CLPRAG Datasheet HTML 7Page - ON Semiconductor TL431CLPRAG Datasheet HTML 8Page - ON Semiconductor TL431CLPRAG Datasheet HTML 9Page - ON Semiconductor Next Button
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TL431, A, B Series, NCV431A, B
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise noted.)
Characteristic
Symbol
TL431AI / NCV431AI
TL431AC
TL431BC / TL431BI /
TL431BV /
NCV431BV
Unit
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Reference Input Voltage (Figure 1)
VKA = Vref, IK = 10 mA
TA = 25°C
TA = Tlow to Thigh
Vref
2.47
2.44
2.495
2.52
2.55
2.47
2.453
2.495
2.52
2.537
2.485
2.475
2.495
2.495
2.505
2.515
V
Reference Input Voltage Deviation Over
Temperature Range (Figure 1, Notes 4, 5)
VKA= Vref, IK = 10 mA
DVref
7.0
30
3.0
17
3.0
17
mV
Ratio of Change in Reference Input Voltage to
Change in Cathode to Anode Voltage
IK = 10 mA (Figure 2),
DVKA = 10 V to Vref
DVKA = 36 V to 10 V
DVref
DVKA
−1.4
−1.0
−2.7
−2.0
−1.4
−1.0
−2.7
−2.0
−1.4
−1.0
−2.7
−2.0
mV/V
Reference Input Current (Figure 2)
IK = 10 mA, R1 = 10 k, R2 = ∞
TA = 25°C
TA = Tlow to Thigh (Note 4)
Iref
1.8
4.0
6.5
1.8
4.0
5.2
1.1
2.0
4.0
mA
Reference Input Current Deviation Over
Temperature Range (Figure 2, Note 4)
IK = 10 mA, R1 = 10 k, R2 = ∞
DIref
0.8
2.5
0.4
1.2
0.8
2.5
mA
Minimum Cathode Current For Regulation
VKA = Vref (Figure 1)
Imin
0.5
1.0
0.5
1.0
0.5
1.0
mA
Off−State Cathode Current (Figure 3)
VKA = 36 V, Vref = 0 V
Ioff
20
1000
20
1000
0.23
500
nA
Dynamic Impedance (Figure 1, Note 6)
VKA = Vref, DIK = 1.0 mA to 100 mA
f ≤ 1.0 kHz
|ZKA|
0.22
0.5
0.22
0.5
0.14
0.3
W
4. Tlow = −40°C for TL431AIP TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431BV, TL431AIDM, TL431IDM,
TL431BIDM, NCV431AIDMR2G, NCV431AIDR2G, NCV431BVDR2G
=0°C for TL431ACP, TL431ACLP, TL431CP, TL431CLP, TL431CD, TL431ACD, TL431BCD, TL431BCP, TL431BCLP, TL431CDM,
TL431ACDM, TL431BCDM
Thigh = +85°C for TL431AIP, TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431IDM, TL431AIDM, TL431BIDM
= +70°C for TL431ACP, TL431ACLP, TL431CP, TL431ACD, TL431BCD, TL431BCP, TL431BCLP, TL431CDM, TL431ACDM,
TL431BCDM
= +125°C TL431BV, NCV431AIDMR2G, NCV431AIDR2G, NCV431BVDMR2G, NCV431BVDR2G
5. The deviation parameter DVref is defined as the difference between the maximum and minimum values obtained over the full operating
ambient temperature range that applies.
DVref = Vref max
-Vref min
DTA = T2 - T1
T2
Ambient Temperature
T1
Vref min
Vref max
The average temperature coefficient of the reference input voltage, aVref is defined as:
Vref
ppm
_C
+
D Vref
Vref @25_C
X106
D TA
+
D Vref x106
D TA (Vref @25_C)
aVref can be positive or negative depending on whether Vref Min or Vref Max occurs at the lower ambient temperature. (Refer to Figure 6.)
Example : DVref + 8.0 mV and slope is positive,
Vref @25_C + 2.495 V,DTA + 70_C
a Vref +
0.008 x 106
70 (2.495) +
45.8 ppm _C
6. The dynamic impedance ZKA is defined as |ZKA| +
D VKA
D IK
When the device is programmed with two external resistors, R1 and R2, (refer
to Figure 2) the total dynamic impedance of the circuit is defined as: |ZKA | [ |ZKA| 1 )
R1
R2
7. NCV431AIDMR2G, NCV431AIDR2G, NCV431BVDMR2G, NCV431BVDR2G Tlow = −40°C, Thigh = +125°C. Guaranteed by design.
NCV prefix is for automotive and other applications requiring unique site and control change requirements.


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