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1. 70 0 60 0 50 0 40 0 30 0 20 0 10 0 0 0 5 50 5 40 5 30 5 20 5 10 5 00 4 90 4 80 4 70 4 60 4 50 4 40 4 30 4 20 4 10 4 00 3 90 3 80 3 70 3 60 3 50 3 40 3 30 3 20 3 10 3 00 2 90 2 80 2 70 2 60 Figure 3 Efficiency vs Input Voltage 82 load LXHL 09 Inductor VLF5014A4R7M1R1 for lout 350 mA 500 mA and 700 mA RLF7030T4R7M3R4 for lout 900 mA Efficiency vs Vin 100 0 90 0 RLF7030T4R7M3R4 80 0 VLF5014A4R7M1R1 70 0 60 0 50 0 40 0 30 0 20 0 10 0 0 0 Figure 4 Efficiency vs Input Voltage 2 Inductor lout 900 mA 82 KO load LXHL PWO9 V 3 9 V http onsemi com 4 NCP5030MTTXGEVB Output Current Regulation Figure 5 shows the relationship between output current regulation Rpca and input voltage There may be a tradeoff between output current and input current limit Efficiency vs Vin 1000 0 Roca 39 KQ 900 0 800 0 Roca 82 KQ 700 0 600 0 500 0 400 0 300 0 200 0 100 0 0 0 5 50 5 40 5 30 5 20 5 10 5 00 4 90 4 80 4 70 4 60 4 50 4 40 4 30 4 20 4 10 4 00 3 90 3 80 3 70 3 60 3 50 3 40 3 30 3 20 3 10 3 00 2 90 2 80 2 70 2 60 Figure 5 Output Current Regulation vs Input Voltage 2 Ryca lout 900 mA Inductor RLF7030T4R7M3R4 Load LXHL 09 V2. 3 9 V http onsemi com 5 NCP5030MTTXGEVB PCB LAYOUT Figure 6 Assembly Layer Figure 7 Top Layer Routing http onsemi com 6 NCP5030MTTXGEVB BILL OF MATERIALS Table 6 BILL OF MATERIALS FOR THE NCP5030MTTXGEVB HIGH POWER LIGHTING EVALUATION BOARD Qty Description Lec MFG Part Number C1608C0G1H331J Substitution Allowed ROHS Compliant 9 Designator 105 Ceramic chip capacitor 10 uF 20 C2012X5R0J106M L101 1 Chip winding magnetic 4 7 uH 2096 VLF5014AT 4R7MIR1 Yes Yes shielded inductor RLF7030T 4R7M3R4 nde INEST R102 1 Chip resistor TBD not 0805 1206 R1 04 mw 1 ______ _ eres asa i a a 18 ES ELI MENS terminal 1 mm cad Std Std ES cad mm U101 Buck Boost driver for WDFN12 aM NCP5030MTTXG high power flash LED 3 4 mm ON Semiconductor _____ Semiconductor 01 Headerx2 ______ X2 SL5 08 2 90 EU GN 08 2 90B Weidm ller EM LI 3 pin 0 1 inch 0 100 3 J106 spacing Header 2 pin 0 1 inch 0 100 2 spacing ae er oe LEONEL SR ELM Header 2 5 0 1 inch 0 ELM spacing J110 GND jumper 0 400 D3082 B01 Harwin 400 mil spacing spacing row perm ____ m ow erem occ De we D102 Lambertian LED MUN Lambertian Lumileds LXHL PWO1 modules LUXEON III LXHL PWO09 http onsemi com 7 NCP5030MTTXGEVB TEST PROCEDURE 1 Visual inspection the board after so
3. 030MTTXGEVB Table 3 Jumper Setup J102 1 2 Peak current set to about 3 A peak current and setting resistor selection can reference the datasheet of NCP5030 J102 2 3 Peak current set to about 1 5 A peak current and setting resistor selection can reference the datasheet of NCP5030 J103 Short will connect CTRL to PVIN and enable NCP5030 J110 GND test jumper J104 Must be connected to ensure NCP5030 work properly can measure inductor current here such as peak current of inductor J105 Select D101 as load of NCP5030 be careful if J111 or J108 is connected J111 Select D102 as load of NCP5030 be careful if J105 or J108 is connected J109 Output current setting reference to table 5 Output current setting table Table 4 Test Points Current Setting Selection The output is determined by the resistor or resistors Where R is the total resistance between FB and GND connected between FB pin and GND R102 to R106 and J109 allows parallel connections of several resistors to select J109 are used for output current setting according to eq 1 output current 0 2 Following is the output current setting table of J109 lout A R Q eq 1 1 short connected 0 left open Table 5 Output Current Setting Table o9 200 300 400 http onsemi com 3 NCP5030MTTXGEVB Efficiency Test Figure 3 and Figure 4 describe efficiency results in different conditions Efficiency vs Vin 100 0 350 mA 90 0 80 0
4. 30MTTXGEVB Board Picture Semiconductor Components Industries LLC 2012 May 2012 Rev 1 Publication Order Number EVBUM2111 D NCP5030MTTXGEVB SCHEMATIC VLF5014 4R7 RLF7030 4R7 PVIN L101 J108 HEADER 6 1 D102 LXCL PWF1 C103 irri 22 u CONN RECT 3 PVIN 1 2 R104 0 51 R105 R106 R102 0 51 R103 0 51 J103 330 p CONN RECT 2 Fixed Hole BUN CONN RECT 5x2 QO J101 J107 Fixed Hole _ HEADER 2 3 AA Bat Holder ds J110 1 HEADER 2 Fixed Hole GND 57 zz Fixed Hole _ Figure 2 NCP5030 High Power Lighting Evaluation Board Schematic Operation 1101 selection depends on the output current CAUTION VLF5014A4R7MIRI is recommended at output current 1 Exceeding the maximum input voltage may under 500 mA and RLF7030T4R7M3R4 is recommended damage NCP5030 permanently when output current is larger than 700 mA 2 Too long time duration at over output current The power supply of NCP5030 should be from 2 7 V to may decrease LED life time or even damage 5 5 V Maximum input voltage is 7 0 V and maximum LED continuous output current is 900 mA Table 1 Input Power Connector J101 1 Positive terminal of external power supply J101 2 GND of external power supply J107 1 Positive terminal of 3 AA batteries in serial J107 2 GND of 3 AA batteries in serial Table 2 Output Power Connector J108 1 2 VOUT of NCP5030 J108 5 6 FB of NCP5030 http onsemi com 2 NCP5
5. NCP5030MTTXGEVB NCP5030 High Power Lighting Evaluation Board User s Manual Overview The 5030 is a fixed frequency PWM buck boost converter optimized for constant current applications such as driving high powered white LED The buck boost is implemented in an H bridge topology and has an adaptive architecture where it operates in one of three modes boost buck boost or buck depending on the input and load condition This device has been designed with high efficiency for use in portable applications and is capable of driving up to 1 2 A pulse current and 900 mA continuous current into a high power LED for camera flash flashlight torch and similar applications To protect the device cycle by cycle current limiting and a thermal shutdown circuit have been incorporated as well as output ON Semiconductor hitp onsemi com EVAL BOARD USER S MANUAL OVP Over Voltage Protection The high switching frequency allows the use of a low value 4 7 uH inductor and ceramic capacitors The NCP5030 is in a low profile and efficient thermally enhanced 3 x 4 mm DEN package NCP5030 High Power Lighting Evaluation Board This evaluation board demonstrates the overall NCP5030 capabilities and offers very easy current programming The output current is fully configurable via the usage of 4 external resistors and corresponding jumper headers The NCP5030 lighting evaluation board schematic is depicted in Figure 2 Figure 1 NCP50
6. e 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 N American Technical Support 800 282 9855 Toll Free Semiconductor Website www onsemi com Literature Distribution Center for ON Semiconductor USA Canada P O Box 5163 Denver Colorado 80217 USA Europe Middle East and Africa Technical Support Order Literature http www onsemi com orderlit Phone 303 675 2175 or 800 344 3860 Toll Free USA Canada Phone 421 33 790 2910 E l Fax 303 675 2176 or 800 344 3867 Toll Free USA Canada Japan Customer Focus Center For additional information please contact your local Email orderlit onsemi com Phone 81 3 5817 1050 Sales Representative EVBUM2111 D
7. ighting Place a jumper on J105 and make sure J111 is 16 Power off and Configure J109 in 400 mA position open pin7 8 shorted e j 3 17 Power on check D101 is lighting Fuse d pa ON Semiconductor and Q 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 us
8. lder there 18 Power off and configure J102 at 1 2 position should be no short redundant solder ball 19 Configure J109 in 100 mA position pin1 2 2 Measure the resistance of each pin of NCP5030 to shorted GND there should be no short to GND except pin 20 Power on check D101 is lighting GND or each other Measure the forward and 21 Power off open J105 short J111 if D102 backward resistance of D101 D102 Ensure solder mounted is good 22 Power on check D102 is lighting if D102 3 Short J104 mounted 4 Short J103 23 Power off open J105 J111 connect J108 to 5 Short J106 2 3 power supply from J101 external LED or LED module if there is 6 Configure J102 in 2 3 position 24 Power on check external LED or LED module is 7 Short J105 open J111 J108 lighting if there is 8 Configure J109 in 100 mA position pin1 2 25 Power off shorted 26 Configure board default and connect jumpers 9 Configure power supply output voltage to 3 7 V accordingly 10 Power off and connect power supply to J101 Place board in 300 mA output current 11 Power on check D101 is lighting configuration 12 Power off and Configure J109 in 200 mA position pin3 4 shorted 13 Power on check D101 is lighting Place jumpers on J109 1 2 100 mA 3 4 200 mA 9 10 0 mA 14 Power off and Configure J109 in 400 mA position e Place a jumper on J102 2 3 pin5 6 shorted Place jumpers on J103 J104 15 Power on check D101 is l
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