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HIP6020CB

Advanced Dual PWM and Dual Linear Power Controller

Intersil 

HIP6020

HIP6020 DC-DC Converter Application Circuit

Figure 14 shows an application circuit of a power supply for

a microprocessor computer system. The power supply

provides the microprocessor core voltage (VOUT1), the AGP

bus voltage (VOUT2), the GTL bus voltage (VOUT3), and the

memory voltage (VOUT4) from +3.3V, +5VDC, and +12VDC.

For detailed information on the circuit, including a Bill-of-

Materials and circuit board description, see Application Note

AN9836. Also see Intersil’ web page

(http://www.intersil.com) or Intersil AnswerFAX (407-724-

7800), document number 99836 for the latest information.

+12VIN

+5VIN

GND

L1

1µH

+ C1-7

7x1000µF

C11

1000pF

C8

1µF

C9

1000pF

R2

2.7K OCSET2

VCC

28

R1

23

OCSET1 1.0K

8

PGOOD

C10

1µF

POWERGOOD

VOUT2

(3.3V/1.5V)

Q3

HUF76107D3S

L2

+ C12-14

3x1000µF

6.2µH

CR1

MBRD835L

TYPEDET

+3.3VIN

Q4

HUF76107D3S

VOUT3

(1.5V)

+ C26,27

2x1000µF

VOUT4

(1.8V)

Q5

HUF76107D3S

+ C28,29

2x1000µF

UGATE2

1

PHASE2 2

VSEN2 10

SELECT 11

VAUX

16

DRIVE3 18

VSEN3 19

U1

HIP6020

27 UGATE1

26

PHASE1

25 LGATE1

24 PGND

22 VSEN1

21 FB1

COMP1

20

C24

10pF

Q1,2

HUF76143S3S

L3

VOUT1

(1.3V-3.5V)

4.2µH

C15-22 +

8x1000µF

R3

10.2K

R4

1.62K

C23

0.22µF

FAULT/RT

13

DRIVE4 15

VSEN4 14

SD 9

VID0

7

6 VID1

5 VID2

4 VID3

3 VID4

12 SS

17

GND

C25 R5

2.7nF 150K

C30

0.1µF

R6

499K

FIGURE 11. POWER SUPPLY APPLICATION CIRCUIT FOR A MICROPROCESSOR COMPUTER SYSTEM

All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.

Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with-

out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and

reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result

from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.

For information regarding Intersil Corporation and its products, see web site http://www.intersil.com

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