NUD4700SNT1G

DATA SHEET www.onsemi.com LED Shunt NUD4700 Anode The NUD4700 is an electronic shunt which provides a current bypass in the case of a single LED going into open circuit. LEDs are by nature quite fragile when subjected to transients and surge conditions. There are also many cases where high reliability of the LED lighting must be maintained such as headlights, lighthouses, bridges, aircraft, runways and so forth. In these cases the low cost addition of the NUD4700 will provide full assurance that an entire string of LEDs will not extinguish should one LED fail. NUD4700 is also applicable to other loads where circuit continuity is required. This device is designed to be used with 1 W LEDs (nominally 350 mA @ 3 V). Cathode POWERMITE[ CASE 457 MARKING DIAGRAM • Cathode M = Date Code MNH = Device Code G = Pb−Free Package Features • • • • • • M MNHG Anode A Simple Two Terminal Device Automatically Resets Itself if the LED Heals Itself or is Replaced ON−State Voltage Typically 1 V OFF−State Current less than 250 mA Available with White Package SZ Prefix (black package only) for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant Anode Control Circuit Cathode Typical Applications • • • • • PIN FUNCTION DESCRIPTION LEDs where Preventive Maintenance is Non Practical LED Headlights LEDs with High Reliability Requirements Crowbar Protection for Open Circuit Conditions Overvoltage Protection for Sensitive Circuits Pin Description Anode Positive Input Voltage to the Device Cathode Negative Input Voltage to the Device ORDERING INFORMATION Package Shipping† POWERMITE (Black) 3000/Tape & Reel SZNUD4700SNT1G POWERMITE (Black) 3000/Tape & Reel Device NUD4700SNT1G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. © Semiconductor Components Industries, LLC, 2017 November, 2022 − Rev. 12 1 Publication Order Number: NUD4700/D NUD4700 MAXIMUM RATINGS (Maximum ratings are those, that, if exceeded, may cause damage to the device. Electrical Characteristics are not guaranteed over this range) Rating Symbol Value Unit VDM −0.3 to 10 V Peak Repetitive Off State Voltage (Anode to Cathode) Average On−State Current, (TA = 25°C), (Note 1) (Note 2) IT(AVG) Thermal Resistance, Junction−to−Air (Note 1) (Note 2) QJA Thermal Resistance, Junction−to−Lead A 1.3 0.376 °C/W 80 277 35 QJL °C/W Power Dissipation (TA = 25°C) (Note 1) (Note 2) PMAX W Operating Temperature Range TJ −40 to 150 °C Non−Operating Temperature Range TJ 150 °C Lead Temperature, Soldering (10 Sec) TL 260 °C 1.56 0.45 Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. Mounted onto a 1“ x 1” square copper pad. Normally this device would be mounted on the same copper heat sink and adjacent to the LED. If the LED were to go open, then the NUD4700 shunt would now dissipate the power using the same copper heat sink. Since the NUD4700 has a voltage that is nominally 30% of the LED, then the power dissipation would be easily handled by the same heat sink as the LED. 2. Device mounted on minimum copper pad. ELECTRICAL CHARACTERISTICS (Unless otherwise noted: TA = 25°C) Characteristics Symbol Min Typ Max Unit Off−State Current (VAnode = 5 V) ILEAK − 100 250 mA Breakdown Voltage (IBR = 1 mA) V(BR) 5.5 − 7.5 V Holding Current (VAnode = 10 V, Iinitial = 100 mA) IH − 6.0 12 mA Latching Current (VAnode = 10 V) IL − 35 70 mA VT − − − 1.0 1.0 1.0 1.2 − − V dV/dt 250 − − V/ms On−State Voltage (IT = 0.350 A) (IT = 0.750 A) (IT = 1.0 A) DYNAMIC CHARACTERISTICS Critical Rate−of−Rise of Off State Voltage (Vpk = Rated V(BR), TJ = 125°C, Exponential Method) Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. www.onsemi.com 2 NUD4700 TYPICAL PERFORMANCE CURVES (TA = 25°C UNLESS OTHERWISE NOTED) 6 35 IH, HOLDING CURRENT (mA) IL, LATCHING CURRENT (mA) 40 30 25 20 15 10 5 0 −50 −25 0 25 50 75 100 125 3 2 1 0 25 50 75 100 125 150 TA, AMBIENT TEMPERATURE (°C) TA, AMBIENT TEMPERATURE (°C) Figure 2. Holding Current vs Temperature IDSS, LEAKAGE CURRENT (mA) 450 90 80 70 60 50 0 1 2 3 4 400 350 300 250 200 150 100 50 0 −50 5 25 50 75 100 125 150 TA, AMBIENT TEMPERATURE (°C) Figure 4. Leakage Current vs Temperature 1.2 1.1 IT @ 1.0 mA 1 IT @ 350 mA 0.6 0.4 IT @ 750 mA 0.2 −50 0 VOLTS (V) 1.2 0.8 −25 Figure 3. Capacitance vs Voltage 1.4 0 −25 Figure 1. Latching Current vs Temperature VT, ON−STATE VOLTAGE (V) Cd, CAPACITANCE (pF) 4 0 −50 150 100 VT, ON−STATE VOLTAGE (V) 5 −25 0 25 50 75 100 125 150 1 0.9 0.8 0.7 0.6 0.5 0.25 175 0.35 0.45 0.55 0.65 0.75 0.85 0.95 TEMPERATURE (°C) IT, ON−STATE CURRNT (A) Figure 5. On−State Voltage vs. Temperature Figure 6. On−State Voltage vs. On−State Current (IT) at 255C www.onsemi.com 3 1.05 NUD4700 TYPICAL APPLICATION CIRCUIT Q1 AC/DC Converter NUD4001 R1 Current Source NUD4700 Control Circuit NUD4700 Control Circuit NUD4700 Control Circuit NUD4700 Control Circuit NUD4700 Control Circuit Figure 7. Typical Application Circuit www.onsemi.com 4 NUD4700 TYPICAL OPERATION WAVEFORMS Switching event LED being opened LED Current NUD4700 voltage Off state NUD4700 voltage ON−state NUD4700 switching waveforms (Powermite) Figure 8. NUD4700 Switching Waveforms Switching event LED being opened Current overshoot due to response time of current source LED Current NUD4700 voltage Off state NUD4700 voltage ON−state NUD4700 switching waveforms (zoom in) Figure 9. Zoom in of Figure 8 POWERMITE is a registered trademarks of and used under a license from Microsemi Corporation. www.onsemi.com 5 MECHANICAL CASE OUTLINE PACKAGE DIMENSIONS POWERMITE CASE 457 ISSUE G DATE 12 JAN 2022 SCALE 4:1 GENERIC MARKING DIAGRAMS* 1 M XXXG 2 1 STYLE 1 1 M XXXG 2 STYLE 2 M XXXG 2 XXX = Specific Device Code M = Date Code G = Pb−Free Package STYLE 3 DOCUMENT NUMBER: DESCRIPTION: STYLE 1: PIN 1. CATHODE 2. ANODE 98ASB14853C POWERMITE STYLE 2: PIN 1. ANODE OR CATHODE 2. CATHODE OR ANODE (BI−DIRECTIONAL) STYLE 3: PIN 1. ANODE 2. CATHODE *This information is generic. Please refer to device data sheet for actual part marking. Pb−Free indicator, “G” or microdot “G”, may or may not be present. Some products may not follow the Generic Marking. Electronic versions are uncontrolled except when accessed directly from the Document Repository. Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red. PAGE 1 OF 1 onsemi and are trademarks of Semiconductor Components Industries, LLC dba onsemi or its subsidiaries in the United States and/or other countries. onsemi reserves the right to make changes without further notice to any products herein. onsemi makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. onsemi does not convey any license under its patent rights nor the rights of others. © Semiconductor Components Industries, LLC, 2019 www.onsemi.com onsemi, , and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without notice. The information herein is provided “as−is” and onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using onsemi products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by onsemi. “Typical” parameters which may be provided in onsemi data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and hold onsemi and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Email Requests to: orderlit@onsemi.com onsemi Website: www.onsemi.com ◊ TECHNICAL SUPPORT North American Technical Support: Voice Mail: 1 800−282−9855 Toll Free USA/Canada Phone: 011 421 33 790 2910 Europe, Middle East and Africa Technical Support: Phone: 00421 33 790 2910 For additional information, please contact your local Sales Representative