AP4305 View Datasheet(PDF) - BCD Semiconductor
Part Name
Description
Manufacturer
AP4305 Datasheet PDF : 12 Pages
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Data Sheet
CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305
Typical Application
AP4305
VCC
1.210V
+
VOUT
VCTRL
To primary
R2
R4
R3
C1
+
C3
GND
R5
ICTRL
VSENSE
R1
R6
500
Rss
VOUT
= [VREF
+ (I L × RSS )]×
R1+ R2
R1
− (I L × RSS )
(V)
CurrentLimit = VSENSE (A)
RSS
Figure 11. Typical Application 2 of AP4305
VOUT+
IL
Load
VOUT-
Apr. 2007 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
9
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