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AN3399 Scheda tecnica(PDF) 13 Page - STMicroelectronics

Il numero della parte AN3399
Spiegazioni elettronici  L99PM62GXP external voltage regulation
PDF  24 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3399 Scheda tecnica(HTML) 13 Page - STMicroelectronics

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AN3399
Evaluations of circuit with PNP and current limitation
Doc ID 018824 Rev 2
13/24
and current limitation with external NPN.
●
R1, R2, R3, R4, R5 = 10 K
●
VS = 12 V
●
I3 from 0 to 200 mA and short circuit
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Temperature = 25 °C ambient
●
Switching = V3 to open load:
Figure 9.
V3 switch ON / OFF (I3 = 0 mA)
Switching V3 with resistive load 25 , (200mA @ 5 V)
Figure 10.
V3 switch ON /OFF (I3 = 200 mA)
Switching V3 to short circuit. The current protection circuit limits current to 220 mA.



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