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TLV431ALPRM データシート(PDF) 3 Page - ON Semiconductor

部品番号 TLV431ALPRM
部品情報  Low Voltage Precision Adjustable Shunt Regulator
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メーカー  ONSEMI [ON Semiconductor]
ホームページ  http://www.onsemi.com
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TLV431ALPRM データシート(HTML) 3 Page - ON Semiconductor

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TLV431A, TLV431B
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
TLV431A
TLV431B
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Reference Voltage (Figure 3)
(VKA = Vref, IK = 10 mA, TA = 25°C)
(TA = Tlow to Thigh, Note 1)
Vref
1.228
1.215
1.240
1.252
1.265
1.234
1.228
1.240
1.246
1.252
V
Reference Input Voltage Deviation Over Temperature (Figure 3)
(VKA = Vref, IK= 10 mA, TA = Tlow to Thigh, Note 1)
DVref
7.2
20
7.2
20
mV
Ration of Reference Input Voltage Change to Cathode Voltage
Change (Figure 4)
(VKA = Vref to 16 V, IK= 10 mA)
DVref
DVKA
−0.6
−1.5
−0.6
−1.5
mV
V
Reference Terminal Current (Figure 4)
(IK = 10 mA, R1 = 10 kW, R2 = open)
Iref
0.15
0.3
0.15
0.3
mA
Reference Input Current Deviation Over Temperature (Figure 4)
(IK = 10 mA, R1 = 10 kW, R2 = open, Notes 1, 2)
DIref
0.04
0.08
0.04
0.08
mA
Minimum Cathode Current for Regulation (Figure 3)
IK(min)
55
80
55
80
mA
Off−State Cathode Current (Figure 5)
(VKA = 6.0 V, Vref = 0)
(VKA = 16 V, Vref = 0)
IK(off)
0.01
0.012
0.04
0.05
0.01
0.012
0.04
0.05
mA
Dynamic Impedance (Figure 3)
(VKA = Vref, IK =0.1 mA to 20 mA, f ≤ 1.0 kHz, Note 3)
|ZKA|
0.25
0.4
0.25
0.4
W
1. Ambient temperature range: Tlow = *40°C, Thigh = 85°C.
2. The deviation parameters DVref and DIref are defined as the difference between the maximum value and minimum value obtained over the
full operating ambient temperature range that applied.
Vref Max
Vref Min
T1
T2
Ambient Temperature
DVref = Vref Max − Vref Min
DTA = T2 − T1
The average temperature coefficient of the reference input voltage, aVref is defined as:
αVref
ppm
°C +
(DVref)
Vref (TA+ 25°C)
106
DTA
aVref can be positive or negative depending on whether Vref Min or Vref Max occurs at the lower ambient temperature, refer to Figure 8.
Example: DVref = 7.2 mV and the slope is positive,
Example: Vref @ 25°C = 1.241 V
Example: DTA = 125°C
αVref
ppm
°C +
0.0072
1.241
125
+ 46 ppm °C
106
3. The dynamic impedance ZKA is defined as:
ZKA +
DVKA
DIK
When the device is operating with two external resistors, R1 and R2, (refer to Figure 4) the total dynamic impedance of the circuit is given by:
ZKA′ + ZKA
1 ) R1
R2


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