參數(shù)資料
型號(hào): TL431AILPUSPCT
廠商: NXP SEMICONDUCTORS
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PBCY3
封裝: PLASTIC, SOT-54, TO-92, 3 PIN
文件頁數(shù): 12/16頁
文件大?。?/td> 189K
代理商: TL431AILPUSPCT
Philips Semiconductors
Product specification
TL431C, TL431AC, TL431I,
TL431AI, LM431AC
Adjustable precision shunt regulators
1997 Feb 25
5
αVREF can be positive or negative depending on whether minimum VREF of maximum VREF, respectively, occurs at the lower temperature.
Example: Max VREF = 2496mV at 30°C, Min VREF = 2492mV at 0°C, VREF = 2495mV at 25°C, DTA = 70°C for TL431C.
|
aV
REF | +
4mV
2495mV @
106
70oC
+ 23ppm oC
Because minimum VREF occurs at the lower temperature, the coefficient is positive.
4. The dynamic impedance is defined as: |Z
KA | +
DV
KA
DI
K
When the device is operating with two external resistors, (see Figure xx), the total dynamic impedance of the circuit is given by:
|Z |
+ DV
DI [
|Z
KA |
1
) R1
R2
PARAMETER MEASUREMENT INFORMATION
INPUT
Vref
VKA
IK
SL01177
Figure 3.
Test Circuit for VKA = Vref
R1
R2
INPUT
Vref
VKA
Iref
IK
V
KA +
V
ref
1
)
R1
R2
) I
ref
R1
SL01178
Figure 4.
Test Circuit for VKA > Vref
INPUT
VKA
Ioff
SL01179
Figure 5.
Test Circuit for IOFF
相關(guān)PDF資料
PDF描述
TL431AIDMR2 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO8
TL431AIDR2 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO8
TL431CDR2 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO8
TL431BCDR2 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO8
TL431IDMR2 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO8
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