TL1431 STMicroelectronics, TL1431 Datasheet - Page 6

• Manufacturer Part Number: TL1431
• Description: Programmable Voltage Reference
• Manufacturer: STMicroelectronics

Specifications of TL1431

• Adjustable Output Voltage: VREF to 36V
• Sink Current Capability: 1 to 100mA
• Typical Output Impedance: 0.22Ω

Electrical characteristics
6/16
Figure 4.
Figure 6.
Figure 8.
Input
0 mA
1 mA
V
REF
Test circuit for V
Test circuit for I
Test circuit for response time
R
V
KA
=36V
I
K
OFF
=10mA
KA
I
OFF
= V
I
K
REF
=1mA
V
KA
Output
Figure 5.
Figure 7.
Figure 9.
Input
Input
V
2.500
2.498
2.496
2.494
2.492
2.490
2.488
2.486
KA
R1
R2
= V
-40
REF
10μF
Reference voltage vs. temperature
Test circuit for V
Test circuit for phase margin and
voltage gain
(
-20
1
+
R1
------- -
R2
I
REF
)
0
V
+ R1 x I
R
REF
20
Temperature (°C)
V
REF
REF
40
KA
I
K
60
I
= V
K
=10mA
I
V
See figure 1
K
=10 mA
KA
REF
80
=V
V
REF
KA
Output
=2.5 V
100
10μF
TL1431
120