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DEMO MANUAL SCP-LT8618-BEVALZ 

 

Rev. 0 

 

 

PARTS LIST 

ITEM 

QTY 

REFERENCE 

PART DESCRIPTION 

MANUFACTURER/PART NUMBER 

PCB 

PRINTED CIRCUIT BOARD 

ANALOG DEVICES 08_059761a 

C1 

CAP 22uF 63V ALUM 8x10.5  

SUN ELECTRONIC  63CE22BSA 

C2 

CAP 1uF 100V CER, X7R 1206 

TAIYO YUDEN HMK316B7105KL-T 

C3 

CAP 0.1uF 100V CER X7R 0603 

SAMSUNG CL10B104KC8NNNC 

C4 

CAP 47nF 50V CER X7R 0603 

KEMET C0603X473K5RACTU 

C5 

CAP MLCC 0603 (Note 1) 

N/A 

C6 

CAP 10uF 50V X5R 1206 

SAMSUNG CL31A106MBHNNNE 

C7 

CAP 1uF 10V X7R 0603 

SAMSUNG CL10B105KP8NNNC 

C8 

CAP 10nF 50V CER X7R 0603 

YAGEO CC0603KRX7R9BB103 

10 

C9 

CAP 4.7uF 50V CER X7R 1206 

SAMSUNG CL31B475KBHNNNE 

11 

INPUT 

CONN MALE 3POS 2.54MM PITCH R/A 

SULLINS PBC03SBAN 

12 

L1 

IND 33uH 0.42A 0.66OHM 

WURTH ELEKTRONIK 44031330 

13 

OUTPUT 

CONN FEMALE 3POS 2.54MM PITCH R/A 

SULLINS PPPC031LGBN-RC 

14 

P1 

CONN-PCB 3POS HEADER WIRE TO BRD WAFER ASSY 
STRAIGHT 2MM PITCH (Note 1) 

MOLEX 53253-0370 

15 

R1 

RES 1M 1%THICK FILM 0805 

YAGEO RC0805JR-071ML 

16 

R6, R8, R10, 
R11, R12, R13 

RED THICK FILM 0805 (Note 1) 

N/A 

17 

R14, R15, R16 

RES 0 OHM 1% 3/4W 0612 

VISHAY RCL06120000Z0EA 

18 

R17, R18 

RES THICK FILM 0612 (Note 1) 

N/A 

19 

R2 

RES 18.2K 1% THICK FILM 0805 

PANASONIC ERJ-6ENF1822V 

20 

R3 

RES 49.9K 1% THICK FILM 0805 

PANASONIC ERJ-3EKF4992V 

21 

R4 

RES 1M 1% THICK FILM 0805 

PANASONIC ERJ-6ENF1004V 

22 

R5 

RES 187K 1% THICK FILM 0805 

PANASONIC ERJ-6ENF1873V 

23 

R7, R9 

RES 0-OHM 1%THICK FILM 0805 

VISHAY CRCW08050000Z0EA 

24 

U1 

IC-ADI HIGH EFFICIENCY 60V/100MA SYNCHRONOUS BUCK  ANALOG DEVICES LT8618EDDB#PBF 

25 

VIOC 

CONN FEMALE 2POS 2.54MM PITCH R/A 

SULLINS PPPC021LGBN-RC 

Note 1.

 

These items are not stuffed (DNI). 

 

Summary of Contents for Linear ADI Power SCP-LT8618-BEVALZ

Page 1: ...CP THRUBRD EVALZ To properly evaluate SCP series demo boards you will need the SCP Configurator companion software SCP Configurator can help you choose the right board and to pology for your design Note that this Demo Manual does not cover details im portant to the operation and configuration regarding the LT8618 Please refer to the LT8618 datasheet for a com plete description of the part Design f...

Page 2: ...SCP LT8618 BEVALZ powers up into regulation and sweep VSOURCE through the desired range of operation NOTE Make sure that the input voltage is always within spec If using a dynamic load to measure output volt age make sure the load is initially set to zero 3 Check for proper output voltage The output should be regulated at the programmed value 5 4 Once the proper output voltage is established power...

Page 3: ...function use Molex part 0510650300 with crimp pin 50212 8000 To use an active run signal use a 1 00M resistor for either pull up or pull down resistors R1 and R6 short R11 with 0W and use the drive signal from connector P1 Also short R12 with 0W for output voltage monitoring If precision UVLO operation is desired program enable di vider R1 and R6 such that R6 is 10k to 100k nominal The LT8618 has ...

Page 4: ...nductor and compensation component values Contact the SCP team for applications support if shifting the switching frequency greater than 10 Table4 Resistor Selection Guide for Switching Frequency Setting fSW R2 Ω fSW R2 Ω 200kHz 221k 1 30MHz 30 1k 300kHz 143k 1 40MHz 27 4k 400kHz 110k 1 50MHz 25 5k 500kHz 86 6k 1 60MHz 23 7k 600kHz 71 5k 1 70MHz 22 1k 700kHz 60 4k 1 80MHz 20 5k 800kHz 52 3k 1 90MH...

Page 5: ...IND 33uH 0 42A 0 66OHM WURTH ELEKTRONIK 44031330 13 1 OUTPUT CONN FEMALE 3POS 2 54MM PITCH R A SULLINS PPPC031LGBN RC 14 1 P1 CONN PCB 3POS HEADER WIRE TO BRD WAFER ASSY STRAIGHT 2MM PITCH Note 1 MOLEX 53253 0370 15 1 R1 RES 1M 1 THICK FILM 0805 YAGEO RC0805JR 071ML 16 6 R6 R8 R10 R11 R12 R13 RED THICK FILM 0805 Note 1 N A 17 3 R14 R15 R16 RES 0 OHM 1 3 4W 0612 VISHAY RCL06120000Z0EA 18 2 R17 R18 ...

Page 6: ...9 R15 R6 PG VPOS BIAS VIOC PG VNEG RUN VNEG V VO VO RUN GND VO VNEG VIOC VO GND GND BIAS PAD P 2 N 3 1 9 6 4 8 5 7 10 1 2 3 1 2 3 1 2 1 2 3 GND EN UV VIN PG TR SS FB OUT BIAS RT INTVCC SW BST D THIS DRAWING IS THE PROPERTY OF ANALOG DEVICES INC IN PART OR USED IN FURNISHING INFORMATION TO OTHERS OR FOR ANY OTHER PURPOSE DETRIMENTAL TO THE INTERESTS THE EQUIPMENT SHOWN HEREON MAY BE PROTECTED BY PA...

Page 7: ...ge without notice No license is granted by implication or otherwise under any patent or patent rights of Analog Devices Information furnished by Analog Devices is believed to be accurate and reliable However no responsibility is assumed by Analog Devices for its use nor for any infringements of patents or other rights of third parties that may result from its use Specifications subject to change w...

Page 8: ...not disclose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred da...

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