TL431 Datasheet, PDF (8/12 Pages) Motorola, Inc – PROGRAMMABLE PRECISION REFERENCES

PRODUCT DATABOOK 1996/1997
TL431/TL431A/TL431B
PRECISION PROGRAMMABLE REFERENCES
PRODUCTION DATA SHEET
TYPICAL CHARACTERISTICS
6
5
f = 0.1 to 10Hz
4
I_K = 10mA
T_A = 25°C
3
2
1
0
-1
-2
-3
-4
-5
-6
0
2
4
6
8
10
(t) Time - (s)
FIGURE 11. — EQUIVALENT INPUT NOISE VOLTAGE OVER A 10-SECOND PERIOD
19.1V
500µF
1kW
910W
2000µF
TL431/A
& TL431B (DUT)
820W
16W
0.1µF
V_CC
TLE2027
A_V = 10V/mV
16kW
1µF
16kW
1µF
33kW
33kW
V_CC
TLE2027
2.2µF
A_V = 2V/V ^{1MW CRO}
V_EE
V_EE
Test Circuit for 0.1Hz to 10Hz Equivalent Input Noise Voltage
8
Copyright © 1999
Rev. 1.3 9/99