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AL5809 Datasheet

60V Two Terminal Constant Current LED Driver

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AL5809
Description
The AL5809 is a constant current linear LED driver and it provides a
cost-effective two pin solution. It has an excellent temperature
stability of 20ppm/°C and the current accuracy ±5% regulated over a
wide voltage and temperature range. The AL5809 comes in various
fixed output current versions removing the need for external current
setting resistors creating a simple solution for the linear driving of
LEDs. It supports both the high-side and low-side driving of LED
chains.
The AL5809 turns on when the voltage between IN and OUT swings
from 2.5V up to 60V enabling it drive long LED chains. The floating
ground, 60V Voltage rating between Input and Output pins designed
to withstand the high peak voltage incurred in offline applications.
The AL5809 is available in either thermally robust package
PowerDI123 or SOD-123 package.
Features
2.5V to 60V Operating Voltage Between Two Terminals
Robust Power Package Up to 1.2W for PowerDI®-123
-40°C to +125°C Temperature Range
±5% LED Current Tolerance Over-Temperature
15mA, 20mA, 25mA, 30mA, 40mA, 50mA, 60mA, 90mA,
100mA, 120mA, and 150mA Available in PowerDI123 Package
15mA, 20mA, 25mA, 30mA, 40mA and 50mA available in SOD-
123 Package, Other Current Options Available by Request
Constant Current with Low Temperature Drift and High Power
Supply Rejection Ratio
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
60V Two Terminal Constant Current LED Driver
PowerDI
Pin Assignments
1
IN
AL5809
OUT
2
Applications
Offline LED Lamps
LED Power Supplies
White Goods
LED Signs
Instrumentation Illumination
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.
POWERDI is a registered trademark of Diodes Incorporated.
AL5809
Document number: DS36625 Rev. 5 - 2
1 of 16
www.diodes.com
December 2016
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AL5809 Datasheet

60V Two Terminal Constant Current LED Driver

No Preview Available !

Typical Applications Circuit
VIN
Low Side LED String
AL5809
1
IN
OUT
2
AL5809
VIN
1
IN
AL5809
OUT
2
High Side LED String
Pin Descriptions
Pin
Name
Pin
Number
(PowerDI123)
In 1
Out 2
Function
LED Current Input Terminal.
For low side LED string application, connect the LED cathode terminal to the Interminal. For high side LED
string application, connect the LED anode terminal to the “Outterminal.
LED Current Output Terminal.
For low side LED string application, connect the LED anode terminal to the “Out” terminal. For high side LED
string application, connect the LED cathode terminal to the “Out” terminal.
Functional Block Diagram
AL5809
Document number: DS36625 Rev. 5 - 2
2 of 16
www.diodes.com
December 2016
© Diodes Incorporated


Part Number AL5809
Description 60V Two Terminal Constant Current LED Driver
Maker Diodes
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AL5809 Datasheet PDF






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