LM431AC 查看數據表（PDF） - Philips Electronics
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LM431AC Datasheet PDF : 16 Pages
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Philips Semiconductors
Adjustable precision shunt regulators
Product specification
TL431C, TL431AC, TL431I,
TL431AI, LM431AC
4
3
2
1
0
–1
–2
–3
–4
0
1
2
3
4
5
6
7
8
9
10
t – TIME – (SECONDS)
Equivalent Input Noise Voltage Over a 10-Second Period
19.1V
1kΩ
500µF
910Ω
2000µF
TL431
(DUT)
820Ω
16Ω
0.1µF
VCC
1µF
TLE2027
AV = 10V/mV
160kΩ
16kΩ 16kΩ
1µF
VCC
TLE2027
AV = 2V/V
33kΩ
33kΩ
VEE
VEE
Test Circuit
Figure 12.
22µF
1MΩ
CRO
SL01174
1997 Feb 25
400
IK = 10mA
Tamb = 25°C
350
300
250
200
150
100
10
100
1K
10K
f–FREQUENCY–Hz
100K
Figure 13. Equivalent Input Noise Voltage vs. Frequency
7
SL01180
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