TL431ACN STMicroelectronics, TL431ACN Datasheet - Page 6

• Manufacturer Part Number: TL431ACN
• Description: PROGRAMMABLE VOLTAGE REFERENCE
• Manufacturer: STMicroelectronics

TL431
6/9
110
100
90
80
70
60
50
40
30
20
10
1E-10
0
-1
6
5
4
3
2
1
0
0
Stability conditions vs C apacitive loads
Stable
area
1
1E-9
2
Pulse response for Ik=10mA
Vka=24V
3
Vka=12V
Vka=5V
Vka=Vref
1E-8
Capacitive load (F)
4
Output
Input
Time ( s)
5
1E-7
6
Unstable
area
7
0,000001
8
Vka=Vref
Ik=10mA
Ta=25 C
9
Stable
area
10
0,00001
Input
Generator
Test circuit for pulse response at Ik=10mA
Pulse
R1
R2
Test circuit for Vka > Vref
Iref
Vref
50
Ik
250
Vka = Vref . (1+R 1/R2 ) + Iref . R1
Vka
Ik=10mA