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PDF AL5802LP4 Data sheet ( Hoja de datos )
| Número de pieza | AL5802LP4 | |
| Descripción | ADJUSTABLE CURRENT SINK LINEAR LED DRIVER | |
| Fabricantes | Diodes | |
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AL5802LP4
30V, ADJUSTABLE CURRENT SINK LINEAR LED DRIVER
Description
The AL5802LP4 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
REXT Pin (2) to GND Pin (1). The internal high-gain transistor
develops approximately 0.6V across the external resistor.
The AL5802LP4’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 (4) with a low impedance voltage source, or driving the
EN Pin (6) with an external open-collector NPN transistor or
open-drain N-Channel MOSFET.
The AL5802LP4 is available in a X2-DFN1310-6 package and is
ideal for driving up to 120mA current.
Features
Reference Voltage VREXT = 0.65V
-40 to +125°C Temperature Range
0.8V to 30V Open-Collector Output
Negative Temperature Co-Efficient – Automatically Reduces
the LED Current at High Temperatures
Low Thermal Impedance, Small Footprint X2-DFN1310-6
Package with Exposed Pads
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Internal Schematic
(Top View)
(Bottom View)
Mechanical Data
Case: X2-DFN1310-6
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: NiPdAu (Lead-Free) Plating.
Solderable per MIL-STD-202, Method 208 e4
Weight: 0.0013 grams
Applications
Linear LED Driver
LED Signs
Offline LED Luminaries
Ordering Information (Note 8)
Device
AL5802LP4
Qualification
Commercial
Packaging
X2-DFN1310-6
Tape and Reel
Quantity
Part Number Suffix
3,000/Tape & Reel
-7
Note:
8. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
802 = Product Type Marking Code
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.
AL5802LP4
Document number: DS37441 Rev. 4 - 2
1 of 10
www.diodes.com
February 2016
© Diodes Incorporated
1 page  
Thermal Characteristics
AL5802LP4
VOUT (V)
Figure 3 Output Current vs. VOUT
100
Vbias = 24V
Vout = 1.4V
50
Vout = 5.4V
0
1 10 100
REXT (Ω)
Figure 4 Output Current vs. R EXT
VOUT (V)
Figure 5 Output Current vs. VOUT
AL5802LP4
Document number: DS37441 Rev. 4 - 2
5 of 10
www.diodes.com
VOUT (V)
Figure 6 Output Current vs. VOUT
February 2016
© Diodes Incorporated
5 Page | ||
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| PDF Descargar | [ Datasheet AL5802LP4.PDF ] | |
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