參數(shù)資料
型號(hào): TL431LP
廠商: MICRO COMMERCIAL COMPONENTS
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, BCY3
封裝: TO-92, 3 PIN
文件頁數(shù): 2/3頁
文件大小: 118K
代理商: TL431LP
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
1.20
Fig. 3 – Reference Input Current
vs. Temperature
Reference
Input
Current
(
A)
Temperature (
°C)
-40
-20
0
20
40
60
80
100
120
--40
--20
0
20
40
60
80
100
120
R1=10K
R2=
IZ=10mA
TA=25
°C
VZ = VREF
IZ = 1mA to 100mA
F
≤ 1KHZ
VZ=VREF
VZ=30V
0.28
0.24
0.20
0.16
0.12
0.08
0.04
0.00
Fig. 4 – Dynamic Impedance
vs. Temperature
Dynamic
Impedance
(
)
Temperature (
°C)
5
1015
2025
30
35
40
Fig. 5 – Change in Reference Voltage
vs. Cathode Voltage
Change
In
Reference
V
oltage
(mV)
Cathode Voltage (V)
--12
--10
--8
--6
--4
--2
0
2.5
2.0
1.5
1.0
0.5
0.0
--40
0
60
40
20
-20
80
100
120
Fig. 6 – Off-State Cathode Current
vs. Temperature
Of
f-State
Cathode
Current
(
A)
Temperature (
°C)
1000
800
600
400
200
0
-200
-400
-800
Fig. 1 – Cathode Current
vs. Cathode Voltage
Fig. 2 – Reference Voltage
vs. Temperature
Cathode
Current
(
A)
2.58
2.56
2.54
2.52
2.50
2.48
2.46
2.44
2.42
2.40
Reference
V
oltage
(V)
Cathode Voltage (V)
Temperature (
°C)
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
-40
-20
0
20
40
60
80
100
120
VZ = VREF
TA = 25
°C
TL431
VZ = VREF
IZ = 10mA
IZ(MIN)
VREF max
VREF typ
VREF min
MCC
TL431LP
www.mccsemi.com
Revision:
3
20
10/12/11
TM
Micro Commercial Components
2 of 3
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