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AL1692-30B Datasheet

DIMMABLE LED DRIVER

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AL1692-30B
DIMMABLE LED DRIVER
Description
The AL1692-30B is a high performance, high power factor, high
efficiency, and high current precision buck-boost and flyback
dimmable LED driver for triac dimmable LED lamp applications. The
AL1692-30B 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.
The AL1692-30B LED driver integrates a 500V/3A high voltage
MOSFET. It can cover 120Vac triac dimmable applications with
eliminating the external high voltage MOSFET and Varistor, which will
reduce the system BOM cost. The AL1692-30B 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.
The AL1692-30B dimming curve is compliant with the NEMA SSL6
standard. The AL1692-30B applies to a wide range of dimmers,
including leading edge and trailing edge dimmer, to achieve deep
dimming down to 1%.
Pin Assignments
(Top View)
VCC 1
RT 2
COMP 3
GND 4
SO-7
Applications
Mains Dimmable LED Lamps
Offline LED Power Supply Driver
7D
6 CS
5 FB
The AL1692-30B is 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
Integration of 500V/3A MOSFET
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-7 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.
AL1692-30B
Document number: DS39499 Rev. 3 - 2
1 of 14
www.diodes.com
October 2017
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AL1692-30B Datasheet

DIMMABLE LED DRIVER

No Preview Available !

AL1692-30B
Typical Application Circuits
L1
FR1
AC
Input
DB1
R1
C1
C2 C3
R2
R3
VCC 1
7D
RT 2
COMP 3
6 CS
C4
R6
GND
C6
4
5 FB
R5
D1
R4
R9
C5
D2
L2
R7
R8
+
LEDS
AL1692-30B Buck-Boost Application Circuit
Pin Descriptions
Pin Number
1
2
3
4
5
6
7
Pin Name
VCC
RT
COMP
GND
FB
CS
D
Function
Power Supply Voltage
Resistor Set the System’S Maximum tON
Compensation for Current Control
Ground
Feedback for LED Open Protection Voltage
Current Sensing
Drain of the Internal High Voltage MOSFET
AL1692-30B
Document number: DS39499 Rev. 3 - 2
2 of 14
www.diodes.com
October 2017
© Diodes Incorporated


Part Number AL1692-30B
Description DIMMABLE LED DRIVER
Maker Diodes
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AL1692-30B Datasheet PDF






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