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AP4305K

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER

BCD Semiconductor 

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

× R1+ R2

R1

(V)

CurrentLimit = VSENSE (A)

RSS

Figure 10. Typical Application 1 of AP4305

VOUT+

IL

Load

VOUT-

Apr. 2007 Rev. 1. 5

BCD Semiconductor Manufacturing Limited

8

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