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AL1692

DIMMABLE LED CONTROLLER/DRIVERS


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AL1692 pdf
AL1692
DIMMABLE LED CONTROLLER/DRIVERS
Description
The AL1692 is a high performance, high power factor, high efficiency,
and high current precision buck-boost and flyback dimmable LED
controller/drivers for triac dimmable LED lamp applications. The
AL1692 topology provides an accurate output current over wide line
and load regulation. The wide switching frequency operates at
boundary conduction mode (BCM) to ease EMI/EMC design and
testing, to meet the latest regulatory standards.
Pin Assignments
(Top View)
VCC 1
RT 2
COMP 3
GND 4
8 SW
7 NC
6 CS
5 FB
VCC 1
RT 2
COMP 3
GND 4
The AL1692 controller with external MOSFET can support higher
output power application, up to 25W. The AL1692 LED drivers have
AL1692-30BA with 400V/3A and AL1692-20C with 600V/2A
MOSFET. The AL1692 platform solutions can cover both 120Vac and
230Vac applications. The AL1692 has the built-in thermal fold-back
protection trigger point to automatically reduce output current. Other
protection features enhance LED lighting system's safety and
reliability.
SO-8
Applications
Mains Dimmable LED Lamps
Offline LED Power Supply Driver
7D
6 CS
5 FB
SO-7
The AL1692 dimming curve is compliant with the NEMA SSL6
standard. The AL1692 applies to a wide range of dimmers, including
leading edge and trailing edge dimmer, to achieve deep dimming
down to 1%.
The AL1692 controller is available in SO-8 package. The Integrated
MOSFET version AL1692-30BA and AL1692-20C are available in
SO-7 package.
Features
Tight Current Sense Tolerance : ±3%
Low Startup Current: 100µA Typical
Low Operation Current: 210µA (Switching Frequency at 4kHz)
Single Winding Inductor
Wide Range of Dimmer Compatibility
For Controller Power can Drive up to 25W
For MOSFET Options : 400V/3A and 600V/2A
NEMA SSL6 Dimming Curve Compliant
Internal Protections
Under Voltage Lockout (UVLO)
Leading-Edge Blanking (LEB)
Cycle-by-cycle Over Current Protection (OCP)
Output Open/Short Protection (OVP/OSP)
Thermal Foldback Protection (TFP)
Over-Temperature Protection (OTP)
SO-8 (Controller) and SO-7 (with MOSFET) Package
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AL1692
Document number: DS39008 Rev. 1 - 2
1 of 15
www.diodes.com
July 2016
© Diodes Incorporated



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AL1692 pdf
AL1692
Typical Application Circuits
L1
AC
Input
FR1
DB1
R1
C1 C2 C3
R2
R3
VCC 1
RT 2
COMP 3
C4 R6
GND
4
C6
R4
D2
D3
R10
8 SW
Q1
7 NC
6 CS
5 FB
R5
D1
R9
L2 R7
R8
C5
+
LEDS
AC
Input
FR1
DB1
C1
AL1692 Controller in Buck-Boost
L1
R2
R3
R1
C2 C3
VCC 1
RT 2
COMP 3
C4
R6
GND
C6 4
R4
D2
7D
6 CS
5 FB
R5
D1
R9
L2 R7
R8
C5
+
LEDS
AC
Input
AL1692-30BA/20C Integrated MOS Version in Buck-Boost
L1
FR1
DB1
R1
C1 C2 C3
R2
R3
VCC 1
RT 2
COMP 3
C4
R6
GND
C6 4
R4
D3
R10
8 SW
Q1
7 NC
6 CS
5 FB
R5
T1
R9 R11 C7
D2 R8 D4
D1
R7
CY
AL1692 Controller in Fly-back
+C5 OUT
AL1692
Document number: DS39008 Rev. 1 - 2
2 of 15
www.diodes.com
July 2016
© Diodes Incorporated



Part Number AL1692
Description DIMMABLE LED CONTROLLER/DRIVERS
Maker Diodes - Diodes
Total Page 15 Pages
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