Analog Devices EVAL-LT8355-1-AZ Скачать руководство пользователя страница 11

11

DEMO MANUAL EVAL-LT8355-1-AZ

Rev. 0

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Optional EMI Filter Components

36

0

C1, C27

CAP., OPTION, 0402

37

0

C2, C28

CAP., OPTION, 1206

38

4

C5, C6, C30, C45

CAP., 10μF, X7R, 25V, 10%, 1210, AEC-Q200

TDK, CGA6P1X7R1E106K250AC

39

2

C15, C43

CAP., 0.1μF, X7S, 100V, 10%, 0603, AEC-Q200

TDK, CGA3E3X7S2A104K080AB

40

0

C19-C21, C47, C48

CAP., OPTION, 0603

41

1

C49

CAP., 0.1μF, X7R, 50V, 10%, 0603, AEC-Q200

TDK, CGA3E2X7R1H104K080AA

42

3

FB4, FB9, FB10

IND., 330Ω AT 100MHz, FERRITE BEAD, 25%, 1.8A, 

80mΩ, 0805, 1LN

TAIYO YUDEN, FBMH2012HM331-T

43

0

FB5

IND., FERRITE BEAD, OPT, 0805

44

2

L1, L3

IND., 8.2μH, PWR, SHIELDED, 20%, 8A, 26.4mΩ, 

6.56mm × 6.36mm, XAL6060, AEC-Q200

COILCRAFT, XAL6060-822MEC

45

2

R7, R41

RES., 10Ω, 5%, 1/10W, 0603, AEC-Q200

VISHAY, CRCW060310R0JNEA

46

0

CL1-CL6

OPTION, WE-SHC CABINET CLIP  

6.5mm × 0.8mm × 1.27mm 

WURTH, 369 000 00  

47

0

SH1

OPTION, WE-SHC SHIELDIY 61.5mm × 61.5mm 

WURTH,  360002

Optional Electrical Components

48

0

C17, C18, C25, C41, 

C46, C50, C51

CAP., OPTION, 0402

49

0

C12, C13, C16, C37, 

C39, C40, C44

CAP., OPTION, 1210

50

0

C24

CAP., OPTION, ALUM. ELECT., SMD

51

0

D2, D3, D5, D6

DIODE, OPTION, SOD-323F

52

0

FB1-FB3, FB6-FB8

IND., OPTION, FERRITE BEAD, 1210

53

0

Q1

XSTR., OPTION, PNP, SOT-23

54

0

R3, R6, R12, R19-

R22, R25, R32, 

R37, R38, R44-R46, 

R50, R51, R59

RES., OPTION, 0402

55

0

R48

RES., OPTION, 0603

Hardware: For Demo Board Only

56

10

E1-E4, E8-E13

TEST POINT, TURRET, 0.094" MTG. HOLE, PCB 0.062" THK

MILL-MAX, 2501-2-00-80-00-00-07-0

57

5

E14-E18

TEST POINT, TURRET, 0.064" MTG. HOLE, PCB 0.062" THK

MILL-MAX, 2308-2-00-80-00-00-07-0

58

2

J1, J2

CONN., BANANA JACK, FEMALE, THT, NON-INSULATED, 

SWAGE, 0.218"

KEYSTONE, 575-4

59

4

MP1-MP4

STANDOFF, NYLON, SNAP-ON, 0.50"

KEYSTONE, 8833

PARTS LIST

Содержание EVAL-LT8355-1-AZ

Страница 1: ...lters combined with proper board layout and SSFM are very effective in reducing EMI to comply with CISPR25 class 5 limits Please follow the recommended layout and the four layer PCB thickness of EVAL...

Страница 2: ...n LED to LED CH1 R14 0 R11 1M R10 15k CH2 R52 287k R53 10k R47 10k 81 36 V V Peak Efficiency SSFM ON PVIN 12V CH1 VLED 72V ILED 450mA CH2 VLED 30V ILED 1A with Filters without Filters 90 91 Peak Switc...

Страница 3: ...tage is between 8V and 18V for proper operation at max LED current 4 Observe the LED strings running at the programmed LED current 5 To change the brightness with analog dimming the CTRL1 pin is used...

Страница 4: ...eval lt8355 1 az F02 Figure 2 Setup Drawing for EVAL LT8355 1 AZ Channel 1 as Boost LED Driver and Channel 2 as Buck Boost Mode LED Driver See Boost LED Driver Setup Section for More Information on B...

Страница 5: ...T VREF VIN FB FB R1 R2 40k 10k 10k 10k R1 Q a Boost a Buck Boost Figure 3 Proper Star Up Configuration Boost Calculate R1 and R2 to set desired VOUT_OVP volt age and VFB to 400mV at VIN_MIN VIN_MIN 40...

Страница 6: ...AZ External 150Hz PWM Dimming with EMI Filters 12VIN Channel 1 72VLED 450mA Channel 2 30VLED 1A fSW 250kHz 100 TO 125 SSFM BOTH CHANNELS ON WITH FILTERS WITHOUT FILTERS INPUT VOLTAGE V 8 10 12 14 16...

Страница 7: ...oad Step Transient Response 12VIN fSW 250kHz 100 TO 125 SSFM 200 s DIV VCTRL1 2 5V DIV ILED1 500mA DIV ILED2 500mA DIV eval lt8355 1 az F07 eval lt8355 1 az F08 Figure 8 EVAL LT8355 1 AZ Thermal Image...

Страница 8: ...LT8355 1 AZ WITH SHIELD AMBIENT FREQUENCY MHz 0 1 1 10 108 20 10 0 10 20 30 40 50 60 70 80 AVERAGE CE dB V eval lt8355 1 az F09b CLASS 5 PEAK LIMIT EVAL LT8355 1 AZ EVAL LT8355 1 AZ WITH SHIELD AMBIE...

Страница 9: ...rt number for an example shield can be found in the Parts List section in the Optional EMI EMISSIONS SHIELD OPTION Figure 12 EVAL LT8355 1 AZ Top Silkscreen Outlining Placement of Shield Clips and EMI...

Страница 10: ...SQJA72EP T1_GE3 15 2 M4 M10 XSTR MOSFET P CH 100V 33 6A POWERPAK SO 8L AEC Q101 VISHAY SQJ211ELP T1_GE3 16 1 Q2 XSTR PNP 100V 1A SOT 23 3 AEC Q101 DIODES INC FMMT593QTA 17 3 R1 R35 R36 RES 100k 1 1 1...

Страница 11: ...Q200 VISHAY CRCW060310R0JNEA 46 0 CL1 CL6 OPTION WE SHC CABINET CLIP 6 5mm 0 8mm 1 27mm WURTH 369 000 00 47 0 SH1 OPTION WE SHC SHIELDIY 61 5mm 61 5mm WURTH 360002 Optional Electrical Components 48 0...

Страница 12: ...k 1 0603 FB2 OPT C20 OPT L1 8 2uH XAL6060 822MEC 1 2 R6 OPT C17 OPT 0402 TP8 EN UVLO FB3 OPT C1 OPT 0402 R1 100K 1 R21 OPT M4 SQJ211ELP 5 2 4 1 3 C18 OPT 0402 C22 4 7uF 25V 1210 R10 15k 1 R22 OPT C12...

Страница 13: ...22 ISN2 20 ISP2 19 GND 29 PWM2 11 PWMTG2 21 RT 12 SENSEN2 25 SENSEP2 24 FAULT2 13 VC2 17 VREF 14 C42 2 2uF M10 SQJ211ELP 1 2 5 3 4 C36 4 7uF 1210 100V R45 OPT FB9 FBMH2012HM331 T TP18 TP17 VC2 R37 OPT...

Страница 14: ...ot 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 pr...

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