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NCV431BVDMR2G データシート(PDF) 3 Page - ON Semiconductor

部品番号 NCV431BVDMR2G
部品情報  Programmable Precision References
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メーカー  ONSEMI [ON Semiconductor]
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NCV431BVDMR2G データシート(HTML) 3 Page - ON Semiconductor

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TL431, A, B Series, NCV431A, B
http://onsemi.com
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ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise noted.)
Characteristic
Symbol
TL431I
TL431C
Unit
Min
Typ
Max
Min
Typ
Max
Reference Input Voltage (Figure 1)
VKA = Vref, IK = 10 mA
TA = 25°C
TA = Tlow to Thigh (Note 1)
Vref
2.44
2.41
2.495
2.55
2.58
2.44
2.423
2.495
2.55
2.567
V
Reference Input Voltage Deviation Over
Temperature Range (Figure 1, Notes 1, 2)
VKA= Vref, IK = 10 mA
DVref
7.0
30
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
mV/V
Reference Input Current (Figure 2)
IK = 10 mA, R1 = 10 k, R2 = ∞
TA = 25°C
TA = Tlow to Thigh (Note 1)
Iref
1.8
4.0
6.5
1.8
4.0
5.2
mA
Reference Input Current Deviation Over
Temperature Range (Figure 2, Note 1, 4)
IK = 10 mA, R1 = 10 k, R2 = ∞
DIref
0.8
2.5
0.4
1.2
mA
Minimum Cathode Current For Regulation
VKA = Vref (Figure 1)
Imin
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
nA
Dynamic Impedance (Figure 1, Note 3)
VKA = Vref, DIK = 1.0 mA to 100 mA
f ≤ 1.0 kHz
|ZKA|
0.22
0.5
0.22
0.5
W
1. Tlow = −40°C for TL431AIP TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431AIDM, TL431IDM, TL431BIDM;
=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
2. 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
3. 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


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