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7

AN1288.1

October 30, 2008

ISL8105BEVAL1Z Bill of Materials

ID

REFERENCE

QTY

PART NUMBER

PART TYPE

DESCRIPTION

PACKAGE

VENDOR

1

U1

1

ISL8105BIBZ

IC, Linear

IC, Single PWM Controller

8 LD SOIC Intersil

2

Q1

1

BSC080N30LS G MOSFET 

30V N-Channel MOSFET

TDSON-08 Infineon

3

Q3

1

BSC030N03LS G MOSFET

30V N-Channel MOSFET

TDSON-08 Infineon

4

Q2, Q4, Q5, Q6

DNP

MOSFET

5

L1

1

HC9-1R0-R

Inductor

1.0µH, high current inductor

SMD

Cooper Bussmann

6

SW1

1

EVQ-PAD04M

Push Switch

SWITCH-PUSH, TH, 6mm, 
1P, PUSHB MOM-SPST

PANASONIC

CAPACITORS

7

C1

1

Capacitor, Ceramic, 
X7R

10nF, 50V, 10%, ROHS

SM_0603

TDK/Generic

8

C2

1

Capacitor, Ceramic, 
X7R

390pF, 50V, 10%, ROHS

SM_0603

TDK/Generic

9

C3

1

Capacitor, Ceramic, 
X7R

3.3nF, 50V, 10%, ROHS

SM_0603

TDK/Generic

10

C4, C9, C10

3

Capacitor, Ceramic, 
X7R

1µF, 25V, 10%, X7R, ROHS

SM_0805

TDK/Generic

11

C5, C27, C28

3

Capacitor, Ceramic, 
X7R

0.1µF, 16V, 10%, ROHS

SM_0603

TDK/Generic

12

C8

1

Capacitor, Ceramic, 
X7R

680pF, 50V, 10%, ROHS

SM_0603

TDK/Generic

13

C11, C12, C13

3

35ME330AX

Aluminum Capacitor 330µF, 35V

RAD 10x20 Sanyo

14

C18, C19, C20, C21

4

2R5TPF470ML

Organic Alumium 
Capacitor

470µF, 2.5V, 20%, ROHS

Case D3L

Sanyo

15 C6, C7, C14, C15, C16, C17, 

C22, C23, C24, C25, C26

DNP

RESISTORS

16

R1

1

Resistor, Film

11.8k

Ω

, 1%, 1/16W 

SM_0603

Panasonic/Generic

17

R2

1

Resistor, Film

12k

Ω

, 1%, 1/16W

SM_0603

Panasonic/Generic

18

R3

1

Resistor, Film

301

Ω

, 1%, 1/16W

SM_0603

Panasonic/Generic

19

R4

1

Resistor, Film

5.9k

Ω

, 1%, 1/16W

SM_0603

Panasonic/Generic

20

R5

1

Resistor, Film

1.74k

Ω

, 1%, 1/16W

SM_0603

Panasonic/Generic

21

R6

1

Resistor, Film

4.7

Ω

, 1%, 1/16W

SM_0603

Panasonic/Generic

22

R7, R8

DNP

SM_0603

OTHERS

23

TPVO1

DNP

Terminal, Scope 
Probe

CONN-PIN RECEPTACLE, 
0.086 DIA, 0.200 L, ROHS

MILL-MAX

24

J1, J4

2

111-0702-001

Blinding Post

CONN-GEN, BIND. POST, 
RED, THMBNUT-GND

JOHNSON 
COMPONENTS

25

J3, J5

2

111-0703-001

Blinding Post

CONN-GEN, BIND. POST, 
BLACK, THMBNUT-GND

JOHNSON 
COMPONENTS

26

J2, J6

2

1514-2

Turrett Post

CONN-TURRET, TERMINAL 
POST, TH, ROHS

Keystone

27

J7

1

68000-236-1X3

3-pin Jumper

Berg/FCI

 

28

TP3, TP6, TP9, TP10

4

5002

Test Point

CONN-MINI TEST POINT, 
VERTICAL, WHITE, ROHS

Keystone

29

TP2, TP4, TP7, TP8

DNP 5002

Test Point

CONN-MINI TEST POINT, 
VERTICAL, WHITE, ROHS

Keystone

Application Note 1288

Summary of Contents for ISL8105BEVAL1Z

Page 1: ...ents ESR and capacitor charge are major contributions to the output voltage ripple Assuming that the total output capacitance is sufficient then the output voltage ripple is dominated by the ESR which...

Page 2: ...n loss in the high side MOSFET is calculated using Equation 11 The switching loss in the high side MOSFET can be approximated using Equation 12 where ttr is the combined ON and OFF MOSFET transition t...

Page 3: ...rks for Single Phase Voltage Mode Buck Regulators Evaluation Board Performance Figure 2 shows a photograph of the ISL8105BEVAL1Z Power and Load Connections Terminals J1 and J2 are connected to the inp...

Page 4: ...the ISL8105BEVAL1Z ISL8105BEVAL2Z in relation to the start up of the 12V input supply and the bias supply Soft Start with Pre Biased Output If the output is pre biased to a voltage less than the expec...

Page 5: ...FN6306 5V or 12V Single Phase Synchronous Buck Converter PWM Controller with Integrated MOSFET Gate Drivers Intersil Corporation 2 Tech Brief TB417 Designing Stable Compensation Networks for Single Ph...

Page 6: ...7 DNP C17 DNP C11 330uF C11 330uF C8 680pF C8 680pF J2 VBIAS J2 VBIAS Q6 DNP Q6 DNP C18 470uF C18 470uF U1 ISL8105B U1 ISL8105B TGATE 2 BGATE BSOC 4 VBIAS 5 FB 6 COMP EN 7 GND 3 BOOT 1 LX 8 C7 DNP C7...

Page 7: ...num Capacitor 330 F 35V RAD 10x20 Sanyo 14 C18 C19 C20 C21 4 2R5TPF470ML Organic Alumium Capacitor 470 F 2 5V 20 ROHS Case D3L Sanyo 15 C6 C7 C14 C15 C16 C17 C22 C23 C24 C25 C26 DNP RESISTORS 16 R1 1...

Page 8: ...FIGURE 12 ISL8105BEVAL1Z TOP LAYER SILKSCREEN FIGURE 13 ISL8105BEVAL1Z TOP LAYER COMPONENT SIDE FIGURE 14 ISL8105BEVAL1Z LAYER 2 FIGURE 15 ISL8105BEVAL1Z LAYER 3 FIGURE 16 ISL8105BEVAL1Z BOTTOM LAYER...

Page 9: ...19 470uF R5 1 74k R5 1 74k Q1 Q1 4 1 2 3 5 R8 DNP R8 DNP TP9 TP9 TP8 TP8 Q6 DNP Q6 DNP TP10 TP10 Q3 Q3 4 1 2 3 5 C20 470uF C20 470uF SW1 SW1 1 2 4 3 Q4 DNP Q4 DNP L1 1uH L1 1uH 2 1 C1 10nF C1 10nF R7...

Page 10: ...2 C13 3 35ME330AX Aluminum Capacitor 330 F 35V RAD 10x20 Sanyo 14 C18 C19 C20 C21 4 2R5TPF470ML Organic Alumium Capacitor 470 F 2 5V 20 ROHS Case D3L Sanyo 15 C6 C7 C14 C15 C16 C17 C22 C23 C24 C25 C26...

Page 11: ...ore proceeding For information regarding Intersil Corporation and its products see www intersil com AN1288 1 October 30 2008 Application Note 1288 ISL8105BEVAL2Z Printed Circuit Board Layers FIGURE 18...

Page 12: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Intersil ISL8105BEVAL1Z...

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