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Application Note 1662

5

AN1662.0

October 11, 2011

Bill of Materials (BOM) 

DESIGNATOR

PART TYPE

FOOTPRINT

PART MANUFACTURER/NUMBER

R1

150k

603

1% SMD Resistor
General purpose

R2

100k

603

R3

357k

603

R4

10k

603

R5

1M

VRES

R6

open

R7

38.3k

603

R8

5k

603

R9

10k

603

R10

0

603

R11

100k

VRES

R12

0

603

R13

Open

603

L1

15µH

 

CoilCraft (XAL6060-153MEB)

D1

PMEG6030

C1

10µF/35V

1210

General purpose

 

Ceramic X5R/X7R capacitors

C2

0.1µF/50V

603

C3

33pF

603

C4

1µF/16V

603

C5

4.7µF/50V

1210

Murata, GRM32ER71H475KA88L

C6

4.7µF/50V

1210

C7

Place Holder

1210

Not Populated

C8

Place Holder

1210

C9

100pF/50V

603

General purpose

 

Ceramic X5R/X7R capacitors

C10

3.3nF/50V

603

C11

1nF/50V

603

C12

Place Holder

603

C13

1nF/50V

603

C14

Place Holder

603

C15

8.2nF

603

F1

2A Fuse

1206

Bel Fuse Inc, C1Q 2

U1

 

QFN16 3MM

Intersil, ISL97682/3/4

JP2-JP19

JUMPER-2PIN

JUMPER-2PIN

FCI
68000-236HLF-1x2

WR

JUMPER-2PIN

JUMPER-2PIN

JP1

JUMPER-3PIN

JUMPER-3PIN

FCI
68000-236HLF-1x3

JP20

JUMPER-3PIN

JUMPER-3PIN

LED1-12 LED25-36

LED-SMT

LW_Y87C

 

Summary of Contents for ISL97682IRTZEVALZ

Page 1: ...e provided for easily adjust the LED maximum DC current Please refer to the ISL97682IRTZEVALZ Evaluation Board Schematic on page 2 for more details LED dimming frequency and duty cycle As mentioned in step 4 above when the shunt on JP20 is connected to the upper position FPWM DPWM pin is connected to VDC the device enters direct PWM mode which means both the LED dimming frequency and the duty cycl...

Page 2: ...R9 10k C15 8 2nF C3 33pF TP1 LX TP2 VOUT TP3 CH1 TP5 CH3 VDC P5 AGND P6 AGND P7 AGND P8 AGND P9 PGND P10 PGND 2 layer board Connect top layer PGND and bottom layer AGND F1 2A Fuse JP14 R11 100k R10 0 R13 Open R12 27k JP15 JP17 EN can be connected in the following ways to enable disable the device 1 Connected it to VIN directly on JP1 to enable 2 Connected it to GND directly on JP1 to disable 3 Dir...

Page 3: ...Application Note 1662 3 AN1662 0 October 11 2011 PCB Layout FIGURE 1 TOP SILKSCREEN LAYER TOP LAYER ...

Page 4: ...Application Note 1662 4 AN1662 0 October 11 2011 FIGURE 2 BOTTOM LAYER PCB Layout Continued ...

Page 5: ...capacitors C2 0 1µF 50V 603 C3 33pF 603 C4 1µF 16V 603 C5 4 7µF 50V 1210 Murata GRM32ER71H475KA88L C6 4 7µF 50V 1210 C7 Place Holder 1210 Not Populated C8 Place Holder 1210 C9 100pF 50V 603 General purpose Ceramic X5R X7R capacitors C10 3 3nF 50V 603 C11 1nF 50V 603 C12 Place Holder 603 C13 1nF 50V 603 C14 Place Holder 603 C15 8 2nF 603 F1 2A Fuse 1206 Bel Fuse Inc C1Q 2 U1 QFN16 3MM Intersil ISL9...

Page 6: ... TEST POINT Keystone Electronics 5010 TP2 VOUT TEST POINT TP3 CH1 TEST POINT TP4 CH2 TEST POINT TP5 CH3 TEST POINT TP6 CH4 TEST POINT TP7 VDC TEST POINT TP8 RSET TEST POINT TP9 FSW PHS TEST POINT P5 AGND TEST POINT Keystone Electronics 5011 P6 AGND TEST POINT P9 PGND TEST POINT P1 PVIN POWERPOST Mill Max 3156 1 00 00 00 00 08 0 P2 VIN POWERPOST P3 EN POWERPOST P4 PWMI POWERPOST P7 AGND POWERPOST P...

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