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AL1678-08B Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AL1678-08B
Description  UNIVERSAL, 500V BUCK LED DRIVER
Download  13 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AL1678-08B Datasheet(HTML) 2 Page - Diodes Incorporated

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AL1678-20B/10B/08B
Document number: DS37637 Rev. 1 - 2
2 of 13
www.diodes.com
April 2015
© Diodes Incorporated
AL1678-20B/10B/08B
Pin Descriptions
Pin Number
Pin Name
Function
1
OUT
Internal power MOSFET
’s source
2
VCC
Power supply for the device
3
ROVP
Setting the open voltage of the output
4
GND
Ground
5
CS
Current sensing
6
LC
Line compensation pin
7
Drain
Internal high voltage MOSFET
’s drain
Functional Block Diagram
VCC
Management
Fault
Management
UVLO
VCC
Clamp
OTP
STOP
LEB
Constant
Current Control
Max ton
Limit
STOP
R
S
Q
toff Detection
(ZCD)
Output
OVP
VCC
OVP
Drain
VCC
CS
OUT
GND
LC
ROVP
3
5
2
7
1
6
4


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