4 Pin Description
4.1 Pin Definition
Pin No.
Pin Name
VTH1
GND
I/O
I
Description
1
2
LED power down control pin; VTH1<1.2V à Power down
Ground pin
G
IO
IO
IO
IO
IO
IO
O
O
O
O
O
O
I
3
SET1
SET2
SET3
SET4
SET5
SET6
TAP6
TAP5
TAP4
TAP3
TAP2
TAP1
VIN
Current control input for TAP1
4
Current control input for TAP2
5
Current control input for TAP3
6
Current control input for TAP4
7
Current control input for TAP5
8
Current control input for TAP6
9
Current regulator 6 output, connect it to tap of LED string
Current regulator 5 output, connect it to tap of LED string
Current regulator 4 output, connect it to tap of LED string
Current regulator 3 output, connect it to tap of LED string
Current regulator 2 output, connect it to tap of LED string
Current regulator 1 output, connect it to tap of LED string
High voltage input pin, connect to rectified AC
LED power down control pin; VTH2>1.2V à Power down
10
11
12
13
14
15
16
VTH2
I
4.2 Pin Configuration
MEGAWIN
MG39131 Data Sheet
5
MEGAWIN [ MEGAWIN TECHNOLOGY CO., LTD ]
