TL431 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

TL431

Programmable voltage reference

STMicroelectronics 

TL431, TL432

Figure 13. Reference voltage vs. cathode

current

Electrical characteristics

Figure 14. Zoom on reference voltage vs.

cathode current

Figure 15. Reference current vs. temperature Figure 16. Off-state cathode current vs.

temperature

2.0

0.4

V = 36 V

KA

I =10 mA

K

V = 0V

REF

1.5

R =10kΩ

1

0.3

R2= + ∝

1.0

0.2

0.5

0.1

0.0

-40 -20 0 20 40 60 80 100 120

Temperature °C

0.0

-40 -20 0

20 40 60 80 100 120

Temperature (°C)

Figure 17. Ratio of change in Vref to change in Figure 18. Static impedance RKA vs.

VKA vs. temperature

temperature

0.0

0.20

0.18

V =V

KA REF

-0.5

I = 10 mA

K

0.16

-1.0

0.14

-1.5

0.12

-2.0

-40 -20 0

20 40 60 80 100 120

Temperature (°C)

0.10

-40 -20 0 20 40 60 80 100 120

Temperature (°C)

Doc ID 4467 Rev 11

9/21

Share Link: