TL431 View Datasheet(PDF) - Shenzhen Jin Yu Semiconductor Co., Ltd.
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TL431 Datasheet PDF : 8 Pages
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PROGRAMMABLE PRECISION REFERENCES
APPLICATION INFORMATION
VI(BATT)
R
(SEE NOTE A)
VREF
R1
0.1%
R2
0.1%
VO
TL431
VO =（1+
R1
R2
）VREF
RETURN
NOTE A : R Should provide cathode current≥1㎃ to the TL431 at minimum VI(BATT)
Figure 13. Shunt Regulator
TL431
VI(BATT)
TL431
INPUT
VIT ~~ 2.5V
VO
VON ~~ 2.5V
VOFF ~~ VI(BATT)
GND
Figure 16. Single-Supply Comparator With Temperature-Compensated Threshold
Figure 14.
８
JinYu
semiconductor
www.htsemi.com
Ｄａｔｅ：２０１１／０５
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