AL5801

Document overview

  • Manufacturer or author: Diodes Incorporated
  • PDF pages: 11

Technical content

Features

  • Feedback Pin Reference Voltage V RSET = 0.56V at +25°C
  • -40°C to +125°C Temperature Range
  • 1.1V to 100V Open-Drain Output
  • Negative temperature V RSET co-efficient automatically reduces the LED current at high temperatures
  • Low thermal impedance SOT26 package with copper lead frame
  • Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • Qualified to AEC-Q101 Standards for High Reliability Pin Assignments (Top View) SOT26

Applications

  • Linear LED Drivers
  • LED Signs
  • Offline LED Luminaries Notes: 1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoH S 2) compliant. All applicable RoHS exemptions applied. 2. See http://www.diodes.com for more in formation 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. Typical Applications Circuit

Document number: DS35555 Rev. 3 - 2 2 of 11 www.diodes.com July 2012 © Diodes Incorporated AL5801 Pin Descriptions Pin Number Pin Name Function

1 BIAS Biases the open-Drain output MOSFET

2 FB Feedback pin

3 OUT Open-Drain LED driver output

4 R EXT Current sense pin. LED curre nt sensing resistor should be connected from here to GND 5 COMP Compensation pin. Connect COMP pin to REXT pin and insert a 1nF ceramic capacitor from COMP pin to FB pin for improved transient stability

6 GND Ground reference point for setting the LED current

Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.) Symbol Characteristics Values Unit VOUT Output voltage relative to GND 100 V VBIAS BIAS voltage relative to GND (Note 4) 20 V VFB FB voltage relative to GND 6 V VCOMP COMP voltage relative to GND 6 V VREXT REXT voltage relative to GND 6 V IOUT Output current 350 mA TJ Operating junction temperature -40 to +150 °C TST Storage temperature -55 to +150 °C Note: 4. With pins 5 and 6 connected together. These are stress ratings only. Operation outside the absolute maximum ratings may cause device failure. Operation at the absolute maximum rating for extended periods may reduce device reliability.

Document number: DS35555 Rev. 3 - 2 3 of 11 www.diodes.com July 2012 © Diodes Incorporated AL5801 Package Thermal Data Characteristic Symbol Value Unit Power Dissipation (Note 5) @ TA = +25°C PD 0.75 W Power Dissipation (Note 6) @ TA = +25°C 0.70 Power Dissipation (Note 7) @ TA = +25°C 0.85 Power Dissipation (Note 8) @ TA = +25°C 1.05 Thermal Resistance, Junction to Ambient Air (Note 5) @ TA = +25°C RθJA 165 °C/W Thermal Resistance, Junction to Ambient Air (Note 6) @ TA = +25°C 180 Thermal Resistance, Junction to Ambient Air (Note 7) @ TA = +25°C 145 Thermal Resistance, Junction to Ambient Air (Note 8) @ TA = +25°C 120 Notes: 5. Device mounted on 15mm x 15mm 2oz copper board. 6. Device mounted on 25mm x 25mm 1oz copper board. 7. Device mounted on 25mm x 25mm 2oz copper board. 8. Device mounted on 50mm x 50mm 2oz copper board. Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.) Symbol Parameter Min Max Unit VBIAS Supply voltage range 3.5 20 V VOUT OUT voltage range 1.1 100 ILED LED pin current (Note 9) 25 350 mA TA Operating ambient temperature range -40 125 °C Note: 9. Subject to ambient temperature, power dissipation and PCB. Characteristic Symbol Min Typ Max Unit Test Condition OFF CHARACTERISTICS Drain-Source Breakdown Voltage BVDSS 100 ⎯ ⎯ V VGS = 0V, ID = 250µA Zero Gate Voltage Drain Current IDSS ⎯ ⎯ 1 µA VDS = 60V, VGS = 0V Gate-Source Leakage IGSS ⎯ ⎯ ±100 nA VGS = ±20V, VDS = 0V ON CHARACTERISTICS Gate Threshold Voltage VGS(th) 2.0 ⎯ 4.1 V VDS = VGS, ID = 250µA Static Drain-Source On-Resistance RDS (ON) ⎯ ⎯ 0.85 0.99 Ω VGS = 10V, ID = 1.5A VGS = 6V, ID = 1A Forward Transconductance gfs ⎯ 0.9 ⎯ S VDS = 15V, ID = 1A Diode Forward Voltage VSD ⎯ 0.89 1.1 V VGS = 0V, IS = 1.5A DYNAMIC CHARACTERISTICS Input Capacitance Ciss ⎯ 129 ⎯ pF VDS = 50V, VGS = 0V f = 1.0MHz Output Capacitance Coss ⎯ 14 ⎯ pF Reverse Transfer Capacitance Crss ⎯ 8 ⎯ pF

Document number: DS35555 Rev. 3 - 2 10 of 11 www.diodes.com July 2012 © Diodes Incorporated AL5801

Ordering Information

Part Number Qualification Package Code Packaging (Note 11) 7” Tape and Reel Quantity Part Number Suffix AL5801W6-7 Commercial W6 SOT26 3,000/Tape & Reel -7 AL5801W6Q-7 Automotive W6 SOT26 3,000/Tape & Reel -7 Notes: 11. For packaging details, go to our website at http://www.diodes.com Marking Information Date Code Key Year 2012 2013 2014 2015 2016 2017 2018 Code Z A B C D E F Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D Package Outline Dimensions (All dimensions in mm.) Suggested Pad Layout SOT26 Dim Min Max Typ A 0.35 0.50 0.38 B 1.50 1.70 1.60 C 2.70 3.00 2.80 D ⎯ ⎯ 0.95 H 2.90 3.10 3.00 J 0.013 0.10 0.05 K 1.00 1.30 1.10 L 0.35 0.55 0.40 M 0.10 0.20 0.15 α 0° 8° ⎯ All Dimensions in mm Dimensions Value (in mm) Z 3.20 G 1.60 X 0.55 Y 0.80 C1 2.40 C2 0.95 Green Green L100 = Product Type Marking Code YM = Date Code Marking Y = Year (ex: Y = 2012) M = Month (ex: 9 = September) A M J LD B C H K X Z Y C2C2 G

Document number: DS35555 Rev. 3 - 2 11 of 11 www.diodes.com July 2012 © Diodes Incorporated AL5801 IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). Diodes Incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product descri bed herein. Diodes Incorporated does not assume any liability arising out of the application or use of this document or an y product described herein; neither does Di odes Incorporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or us er of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthoriz ed sales channel. Should Customers purchase or use Diodes Inco rporated products for any unintended or una uthorized application, Customers shall i ndemnify and hold Diodes Incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical component s in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when proper ly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporate d and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2012, Diodes Incorporated www.diodes.com