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ON Semiconductor CAT4139 User manual

Semiconductor Components Industries, LLC, 2011
September, 2011 −Rev. 3
1Publication Order Number:
EVBUM2020/D
CAT4139AEVB
CAT4139 LED Driver
Evaluation Board
User's Manual
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.
Schematic
Figure 1. CAT4139AEVB Schematic
VL
R4
200 kW
C3
4.7 mF
GND
VIN SW
FB
SHDN
CAT4139
U1
L1
22 mHD1
R3
1 kW
C2
1 mF
R1
2.2 W
R2
47 W
LED
VOUT
C1
1 mF
R5
0 W
VIN
EN
K1
(300 mV)
Figure 2. CAT4139AEVB Board
Table 1. BILL OF MATERIALS
Name Manufacturer Description Part Number Units
U1 ON Semiconductor,
Catalyst Group
High Efficiency Boost LED Driver, SOT23-5 CAT4139 1
C1 Taiyo Yuden Ceramic Capacitor 1.0 mF/6.3 V X5R, Size 0805 JMK212BJ105KK-T 1
C2 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
http://onsemi.com
EVAL BOARD USER’S MANUAL
CAT4139AEVB
http://onsemi.com
2
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
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
EVBUM2020/D
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]
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your local
Sales Representative

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