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AL5802LPL Datasheet

LED DRIVER

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AL5802LPL pdf
AL5802LPL
LED DRIVER, 30V, LINEAR, ADJUSTABLE, CURRENT SINK
Description
The AL5802LPL combines a high-gain NPN transistor with a pre-
biased NPN transistor to make a simple, small footprint LED driver.
Pin Assignments
The LED current is set by an external resistor connected from the
REXT Pin (4) to the GND Pin (6), and the internal high gain transistor
develops approximately 0.6V across the external resistor.
The AL5802LPL’s open-collector output can operate from 0.8V to 30V
making it suitable for industry standard 5V to 24V power supplies
without additional components.
PWM dimming of the LED current can be achieved by either driving
the BIAS Pin (1) with a low impedance voltage source, or driving the
EN Pin (5) with an external open-collector NPN transistor or
open-drain N-Channel MOSFET.
The AL5802LPL is available in a U-DFN3030-6 (Type B) package and
is ideal for driving 10mA to 120mA LED currents.
123
7
Internal Schematic
(Top View)
6 54
(Bottom View)
Package: U-DFN3030-6 (Type B)
The Collector of Q2 is Connected to Pin 2 and Pad 7 which is on
the Underside of the Package
Pin 3 is Not Connected to Anything
Features
Reference Voltage VREXT = 0.65V
-40 to +125°C Operating Temperature Range
0.8V to 30V Open-Collector Output
Negative Temperature Coefficient Automatically Reduces the
LED Current at High Temperatures
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Mechanical Data
Case: U-DFN3030-6 (Type B)
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94-V-0.
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish NiPdAu over Copper Leadframe.
Solderable per MIL-STD-202, Method 208 e4
Weight: 0.0156 grams
Ordering Information (Note 4)
Device
AL5802LPL
Qualification
Commercial
Packaging
U-DFN3030-6 (Type B)
Tape and Reel
Quantity
Part Number Suffix
3,000/Tape & Reel
-7
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.
4. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
AL5802LPL
Document number: DS38590 Rev. 3 - 2
1 of 11
www.diodes.com
April 2016
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AL5802LPL Datasheet

LED DRIVER

No Preview Available !

AL5802LPL pdf
AL5802LPL
Marking Information
5802 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: D = 2016)
M = Month (ex: 9 = September)
Date Code Key
Year
Code
2016
D
Month
Code
Jan
1
2017
E
Feb Mar
23
2018
F
Apr
4
2019
G
May
5
2020
H
Jun Jul
67
2021
I
Aug
8
2022
J
Sep
9
2023
K
Oct Nov
ON
2024
L
Dec
D
Typical Application Circuit
Pin Descriptions
Pin Number
1
2
3
4
5
6
Name
BIAS
OUT
N/C
REXT
EN
GND
Function
Biases the Open Collector Output Transistor
Open-Collector LED Driver Output
No Connection
Current Sense Pin
LED current sensing resistor should be connected from here to GND
Enable Pin for PWM Dimming
Provides access to the base of Q2 and the collector of Q1
Ground Reference Point for Setting LED Current
AL5802LPL
Document number: DS38590 Rev. 3 - 2
2 of 11
www.diodes.com
April 2016
© Diodes Incorporated


Part Number AL5802LPL
Description LED DRIVER
Maker Diodes
Total Page 11 Pages
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