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AL1677 Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AL1677
Description  UNIVERSAL, HIGH EFFICIENCY AND ACCURACY LED DRIVER CONVERTER
PDF  13 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AL1677 Datasheet(HTML) 2 Page - Diodes Incorporated

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AL1677
Document number: DS37526 Rev. 1 - 2
2 of 13
www.diodes.com
November 2015
© Diodes Incorporated
AL1677
Typical Applications Circuit
OUT
+
VCC
CS
GND
U1 AL1677
C3
R1
AC
Input
F1
DB1
C1
ROVP
NC
R2
CS
D
C2
D1
L1
R4
R5
R3
D
1
2
3
4
5
6
7
8
Pin Descriptions
Pin Number
Pin Name
Function
1
GND
Ground
2
ROVP
Setting the Open Voltage of the Output
3
NC
No Connection
4
VCC
Power Supply for the Device
5,6
D
Internal High Voltage MOSFET
’s Drain
7,8
CS
Current Sensing
Functional Block Diagram
VCC
Management
Fault
Management
VCC
Clamp
OSP
OVP
STOP
LEB
Constant
Current Control
Max Ton
Limit
STOP
R
S
Q
Toff Detection
(ZCD)
OVP
OVP
VCC
CS
GND
ROVP
2
5,6
4
7,8
1
NC
3
D
VOVP_REF
TOFF
OSP
TOFF
VOVP_REF
VREF
OTP
UVLO
OFF



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