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AL1672 Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AL1672
Description  SINGLE STAGE DIMMABLE BUCK CONVERTER
PDF  14 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AL1672 Datasheet(HTML) 2 Page - Diodes Incorporated

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AL1672
Document number: DS39344 Rev. 1 - 2
2 of 14
www.diodes.com
July 2017
© Diodes Incorporated
AL1672
Typical Applications Circuit
OUT
+
VCC FB
DRAIN
CS
GND
R5
R6
C
4
RTH
AC
Input
F1
VR1
DB1
C2
L1
C1
D2
COMP
CCOMP
R3
D1
RCS
R4
DRAIN
1
3
4
6
5
7 APWM
RCOMP
PWM/DC
Signal
8
2
L2
CVCC
AL1672 BUCK Application Circuit
Pin Descriptions
Pin Number
Pin Name
Function
1
CS
Current sense pin, connect this pin to the source of the primary
switch
2
GND
Ground
3,4
DRAIN
Drain of internal MOS
5
VCC
Supply voltage of gate driver and control circuits of the IC
6
FB
The feedback voltage sensing from the auxiliary winding
7
APWM
Analog dimming input pin or PWM signal input pin in PWM dimming
mode
8
COMP
Loop compensation pin
9
Exposed Pad
Drain of internal MOS



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