AL5890
400V Constant Current LED Driver
NEWINFORMATON
PRODUCT
ADVANCED
Description
Pin Assignments (Top View)
The AL5890 is a 400V constant current LED driver and it provides a
cost-effective two pin solution. It has good temperature stability and
the current accuracy of < ±2.0mA (typ.) regulated over a wide voltage
and temperature range. The AL5890 comes in various or pre-fixed
output current options removing the need for external current setting
resistors and creating a simple driver solution for the series of LEDs.
The AL5890 supports both the high-side and low-side driving of LED
chains.
1 In
The AL5890 turns on when the voltage between IN and OUT is
greater than 7V. Long LED chain application up to 400V operating
voltage subject to package thermal limitation.
2
Out
®
The AL5890 is available in thermally robust PowerDI 123 (Type B),
PowerDI123 (Type B)
SOT89 and TO252 (Standard) packages.
Features
DC up to 400V Operating Voltage With Long LED Chains
Subject to Package Thermal Constraint
In
1
Out
2
NC
3
LED Current Tolerance Over Wide Temperature Range
< ±2.0mA (typ.)
Thermal Foldback Protection
10mA, 15mA, 20mA, 30mA, and 40mA pre-fixed Constant
Output Current Options
PowerDI123 (Type B), SOT89 and TO252 (Standard) Thermally
Enhanced Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
SOT89
In
1
Out
2
NC
2
3
TO252 (Standard)
Applications
Notes:
Commercial LED Lighting Fixtures
Emergency Lighting
Signage, Downlights, Decorative and Architectural Lighting
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ 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
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