Preliminary datasheet, Pin configuration, Pin description – Diodes AP1681 User Manual
Page 2
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Preliminary Datasheet
Off-line Primary Side Regulation Controller for Dimmable LED Driver AP1681
Jul. 2011 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
2
Pin Configuration
M Package
(SOIC-8)
Figure 2. Pin Configuration of AP1681 (Top View)
Pin Description
Pin Number
Pin Name
Function
1
DIM
Dimming control signal input
2
RD
Full brightness level setting
3
RI
Full dimming level setting
4
FB
The feedback voltage sensing from the auxiliary winding
5
CS
Primary current sensing
6
GND
Ground. Current return for gate driver and control circuits of the IC
7
OUT Gate
driver
output
8
VCC
Supply voltage of gate driver and control circuits of the IC
1
2
3
4
8
7
6
5
DIM
RD
RI
FB
CS
GND
OUT
VCC
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