CAT4139AEVB CAT4139 LED Driver Evaluation Board User's Manual http://onsemi.com Introduction This document describes the CAT4139AEVB evaluation board for the CAT4139 high efficiency step-up LED driver. The CAT4139 delivers an accurate constant current ideal for driving LEDs. EVAL BOARD USER’S MANUAL Schematic L1 VL C3 4.7 mF VIN K1 22 mH R5 0W C1 1 mF EN R4 200 kW VOUT C2 1 mF D1 U1 VIN SW CAT4139 SHDN GND FB R3 (300 mV) 1 kW LED R2 47 W R1 2.2 W Figure 2. CAT4139AEVB Board Figure 1. CAT4139AEVB Schematic Table 1. BILL OF MATERIALS Name Manufacturer U1 ON Semiconductor, Catalyst Group C1 C2 Description Part Number Units High Efficiency Boost LED Driver, SOT23-5 CAT4139 1 Taiyo Yuden Ceramic Capacitor 1.0 mF/6.3 V X5R, Size 0805 JMK212BJ105KK-T 1 Taiyo Yuden Ceramic Capacitor 1.0 mF/50 V X7R, Size 1210 UMK325BJ105KH-T 1 C3 Taiyo Yuden Ceramic Capacitor 4.7 mF/6.3 V X5R, Size 0805 JMK212BJ475KD-T 1 D1 TSC Schottky Diode 40 V/1 A, Sub SMA SS14L 1 L1 NIC Inductor 22 mH/0.7 A NPIS43D220MTRF 1 R1 Panasonic SMT Resistor 2.2 W/250 mW, Size 1206 ERJ-8GEYJ2R2V 1 R2 Vishay Trim Pot 200 W/500 mW, Multi-Turn T93YA470KT20 1 R3 Yageo SMT Resistor 1 kW/100 mW, Size 0603 RC0603FR-071KL 1 R4 Yageo SMT Resistor 200 kW/100 mW, Size 0603 RC0603FR-07200KL 1 R5 Yageo SMT Resistor 0 W/125 mW, Size 0805 RC0805JR-070RL 1 K1 Tyco 2 Pin Header Connector 0.1” Pitch 640452-2 1 Semiconductor Components Industries, LLC, 2011 September, 2011 − Rev. 3 1 Publication Order Number: EVBUM2020/D CAT4139AEVB ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC 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. “Typical” parameters which may be provided in SCILLC 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. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC 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 SCILLC was negligent regarding the design or manufacture of the part. SCILLC 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: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Email: [email protected] N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5773−3850 http://onsemi.com 2 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative EVBUM2020/D