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TL431-Q1 Datasheet, PDF (9/26 Pages) Texas Instruments – ADJUSTABLE PRECISION SHUNT REGULATOR | |||
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19.1 V
1 kΩ
TL431âQ1
ADJUSTABLE PRECISION SHUNT REGULATOR
SGLS302D â MARCH 2005 â REVISED MARCH 2013
TYPICAL CHARACTERISTICS
EQUIVALENT INPUT NOISE VOLTAGE
OVER A 10-S PERIOD
6
5
4
3
2
1
0
â1
â2
â3
â4 f = 0.1 to 10 Hz
â5
IKA = 10 mA
TA = 25°C
â6
0 1 2 3 4 5 6 7 8 9 10
t â Time â s
500 μF
910 Ω
2000 μF
TL431
(DUT)
820 Ω
16 Ω
VCC
TLE2027
+ AV = 10 V/mV
â
16 kΩ
160 kΩ
0.1 μF
1 μF
VCC
16 kΩ
1 μF
+
â
33 kΩ
33 kΩ
TLE2027 22 μF
AV = 2 V/V
VEE
VEE
Figure 12. Test Circuit for Equivalent Input Noise Voltage
To
Oscilloscope
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
9
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