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AL1697 Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AL1697
Description  High PF, Offline Dimmable LED Driver with Internal High-Voltage MOSFET
PDF  13 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AL1697 Datasheet(HTML) 2 Page - Diodes Incorporated

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AL1697
Document number: DS38223 Rev. 3 - 2
2 of 13
www.diodes.com
January 2016
© Diodes Incorporated
AL1697
Typical Applications Circuit
+
RT
GND
C5
R1
AC
Input
FR1
DB1
C1
COMP
R3
VCC
D
C4
D1
L2
R7
R6
R5
C2
C3
D2
R4
R2
L1
3
5
4
7
1
2
C6
FB
R8
R9
6
CS
LEDS
Pin Descriptions
Pin Number
Pin Name
Function
1
VCC
Power supply voltage
2
RT
Resistor set the system
’s maximum t
ON
3
COMP
Compensation for current control
4
GND
Ground
5
FB
Feedback for LED open protection voltage
6
CS
Current sensing
7
D
Drain of the internal high voltage MOSFET
Functional Block Diagram
VCC
Management
Fault
Management
UVLO
OFF
VCC
Clamp
OTP
OVP
VDD
VREF
STOP
tON_max
R
S
Q
tONS Detection
(ZCD)
VCC
OVP
VREF_OVP
OVP
D
VCC
CS
GND
RT
Driver Supply
Clamp
2
7
1
6
4
Set tON_max
tON_max
-
+
COMP
Gm
VREF
Sample and Hold
-
+
3
5
FB
-
+
STOP
OCP
1V



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