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AN1459

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Jun

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 9, 200

9

Application Note 1459

ISL8107EVAL2Z Schematic

TGATE

BOOT

GND

PGND

SYNC

PGND

PVCC

SGND

FB

VBG

Vreg

ENSS

VIN

Vreg

RT/CT

PHASE

PGOOD

OCSET

VBIAS

VF

F

COMP

VOUT

PVCC

PGOOD

PVCC

P6

GND

P6

GND

1

R3
442

R3
442

C18
DNP

C18
DNP

1

2

R7

10

R7

10

C13

0.01uF

C13

0.01uF

1

2

C1

8.2nF

C1

8.2nF

1

2

C10
0.1uF

C10
0.1uF

1

2

SW1

SW1

TP2

TP2

R8
0

R8
0

J1

J1

1

2

3

R20
1k

R20
1k

Q2
DNP

Q2
DNP

R13

10K

R13

10K

C14
1uF

C14
1uF

1

2

R12
DNP

R12
DNP

P4

SYNC

P4

SYNC

1

P3

GND

P3

GND

1

D1

V10P10

D1

V10P10

R14

0

R14

0

C24
1uF

C24
1uF

1

2

C29
DNP

C29
DNP

1

2

C27
1000pF

C27
1000pF

1

2

D3
MMBD1204/SOT

D3
MMBD1204/SOT

C7
1uF

C7
1uF

1

2

C17

100uF

100V

C17

100uF

100V

1

2

C9
1uF

C9
1uF

1

2

R17

1k

R17

1k

R11

0

R11

0

C20

DNP

C20

DNP

1

2

D4

D4

2

1

C26
1uF

C26
1uF

1

2

C23
1uF

C23
1uF

1

2

R9
0

R9
0

Q3
BSS123LT1

Q3
BSS123LT1

2

1

3

Q1

HAT2175H

Q1

HAT2175H

C12
1uF

C12
1uF

1

2

C11

DNP

C11

DNP

1

2

C15
1uF

C15
1uF

1

2

R15
0

R15
0

P7

Vout

P7

Vout

1

C4
0.22uF

C4
0.22uF

1

2

L1
22uH

L1
22uH

1

2

P2

GND

P2

GND

1

P5

Vin

P5

Vin

1

R2
20k

R2
20k

C22

150uF

C22

150uF

1

2

C3
6.8nF

C3
6.8nF

1

2

R1
11.3k

R1
11.3k

R5
40.2k

R5
40.2k

R16
0

R16
0

C25
1uF

C25
1uF

1

2

TP1

TP1

C6
DNP

C6
DNP

1

2

C21

150uF

C21

150uF

1

2

TP3

TP3

C2

82pF

C2

82pF

1

2

D2

DNP

D2

DNP

C30
DNP

C30
DNP

1

2

P1

VBias

P1

VBias

1

C19

DNP

C19

DNP

1

2

C8

100pF

C8

100pF

1

2

P8

GND

P8

GND

1

TP4

TP4

C28
DNP

C28
DNP

1

2

R19
DNP

R19
DNP

C5

1000pF

C5

1000pF

1

2

C16

100uF

100V

C16

100uF

100V

1

2

R4
1.24k

R4
1.24k

U1

ISL8107

U1

ISL8107

VF

F

1

OCSET

2

SYNC

4

RTCT

5

TGATE

14

VBG

9

PGOOD

10

COMP

8

PGND

11

PHASE

13

BOOT

15

VBIAS

3

SGND

6

PVCC

16

FB

7

ENSS

12

EP

17

R10

0

R10

0

R6

3.16k

R6

3.16k

R18
10K

R18
10K

I aefgaeg

Содержание ISL8107EVAL2Z

Страница 1: ...8107 s bias supply can be tied to VIN through J1 with shunt between pins 2 and 3 When using separate supplies provide the ISL8107 bias voltage through P1 VBIAS with J1 s shunt between pins 1 and 2 The load can be connected to terminal P7 VOUT and P8 PGND TP3 and TP4 can be used for DMM to measure the output voltage Enabling and disabling the controller can be done through the toggle switch SW1 ISL...

Страница 2: ...A µs transition between continuous conduction mode and discontinuous conduction mode Efficiency and Line Regulation The efficiency and the line regulation of the evaluation board with various input voltages are shown in Figures 8 and 9 respectively FIGURE 3 OUTPUT VOLTAGE RIPPLE IOUT 5A VOUT FIGURE 4 OUTPUT TRANSIENT VOUT FIGURE 5 OUTPUT TRANSIENT VOUT PHASE FIGURE 6 OUTPUT TRANSIENT VOUT PHASE FI...

Страница 3: ... FIGURE 9 LINE REGULATION FOR VOUT 12V 12 000 12 010 12 020 12 030 12 040 12 050 12 060 12 070 12 080 12 090 12 100 0 1 2 3 4 5 6 LOAD CURRENT A OUTPUT VOLTAGE V VIN 18V VIN 24V VIN 36V VIN 48V VIN 60V Application Note 1459 ...

Страница 4: ... 2 D4 D4 2 1 C26 1uF C26 1uF 1 2 C23 1uF C23 1uF 1 2 R9 0 R9 0 Q3 BSS123LT1 Q3 BSS123LT1 2 1 3 Q1 HAT2175H Q1 HAT2175H C12 1uF C12 1uF 1 2 C11 DNP C11 DNP 1 2 C15 1uF C15 1uF 1 2 R15 0 R15 0 P7 Vout P7 Vout 1 C4 0 22uF C4 0 22uF 1 2 L1 22uH L1 22uH 1 2 P2 GND P2 GND 1 P5 Vin P5 Vin 1 R2 20k R2 20k C22 150uF C22 150uF 1 2 C3 6 8nF C3 6 8nF 1 2 R1 11 3k R1 11 3k R5 40 2k R5 40 2k R16 0 R16 0 C25 1uF...

Страница 5: ...r 0603 Various C10 1 0 1µF 50V X7R 10 Ceramic Capacitor 0603 Various C12 C23 C24 C25 C26 5 1µF 25V X5R 10 Ceramic Capacitor 0805 Various C13 1 0 01µF 50V X7R 10 Ceramic Capacitor 0603 Various C16 C17 2 100ME100PX 100µF 100V Aluminum Electrolytic Capacitor RAD 12 5x20 Sanyo C21 C22 2 20SEQP150M 150µF 20V OSCON Capacitor RAD 10x13 Sanyo C27 1 1000pF 50V X7R 10 Ceramic Capacitor 0603 Various C6 C11 C...

Страница 6: ...6 AN1459 0 June 9 2009 ISL8107EVAL2Z Layout FIGURE 10 TOP SILK SCREEN FIGURE 11 TOP ASSEMBLY Application Note 1459 ...

Страница 7: ...7 AN1459 0 June 9 2009 ISL8107EVAL2Z Layout Continued FIGURE 12 TOP LAYER FIGURE 13 LAYER 2 Application Note 1459 ...

Страница 8: ...8 AN1459 0 June 9 2009 ISL8107EVAL2Z Layout Continued FIGURE 14 LAYER 3 FIGURE 15 BOTTOM LAYER Application Note 1459 ...

Страница 9: ...ithout notice Accordingly the reader is cautioned to verify that the Application Note or Technical Brief is current before proceeding For information regarding Intersil Corporation and its products see www intersil com AN1459 0 June 9 2009 ISL8107EVAL2Z Layout Continued FIGURE 16 BOTTOM SILK SCREEN Application Note 1459 ...

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