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AN4339 Datasheet(PDF) 10 Page - STMicroelectronics

Part # AN4339
Description  BLDC motor based ceiling fan solution proposal
PDF  27 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4339 Datasheet(HTML) 10 Page - STMicroelectronics

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Description
AN4339
10/27
DocID025039 Rev 1
Equation 7
F3 (Kv) = 0.26
Peak primary current:
Equation 8
Ipkp = 1.42 A
RMS primary current:
Equation 9
Irmsp = 0.46 A
Peak secondary current:
Equation 10
Ipks = 8.8 A
RMS secondary current:
Equation 11
Irsms = 2.2 A
F3 Kv

0.424 5.7 10
4
–
Kv
+
1 0.862 Kv
+
------------------------------------------------------------
=
Ipkp
2pin
Vpkmin F2 Kv

-----------------------------------------------
=
Irmsp
Ipkp
F2 Kv

3
-------------------
=
Ipks
2Iout
Kv F2 Kv

---------------------------------
=
Irmss
Ipks
Kv F3 Kv

3
---------------------------------
=



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