HIP6021 Ver la hoja de datos (PDF) - Intersil

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HIP6021

Advanced PWM and Triple Linear Power Controller

Intersil 

HIP6021

HIP6021 DC-DC Converter Application Circuit

Figure 12 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

+12VIN

+5VIN

GND

L1

1µH

C1-6 +

6x1000µF

+3.3VIN

FAULT/RT

13

VCC

28

VAUX 16

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’s web page (http://www.intersil.com).

C7

1µF

C8

1000pF

23

OCSET

R1

1.0K

8

PGOOD

C9

1µF

POWERGOOD

VOUT2

(3.3V or 1.5V)

+

DRIVE2

1

10

Q3

VSEN2

C10,11 HUF76121D3S

2x1000µF

TYPEDET

SELECT

11

Q4

HUF76107D3S

VOUT3

(1.5V)

+ C23,24

2x1000µF

VOUT4

(1.8V)

Q5

HUF76107D3S

+ C25,26

2x1000µF

DRIVE3

18

VSEN3 19

DRIVE4 15

VSEN4 14

SD 9

FIX

2

U1

HIP6021

27 UGATE

26

PHASE

25 LGATE

24 PGND

22 VSEN1

21 FB

COMP

20

Q1,2

2xHUF76143S3S L2

VOUT1

(1.3V-3.5V)

4.2µH

C12-19 +

8x1000µF

R2

10.2K

C21

10pF

R3

1.62k

C20

0.22µF

VID0

7

6 VID1

5 VID2

4 VID3

3 VID4

12 SS

17

GND

C22 R4

2.7nF 150K

C27

0.1µF

R5

499K

FIGURE 12. POWER SUPPLY APPLICATION CIRCUIT FOR A MICROPROCESSOR COMPUTER SYSTEM

All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.

Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality

Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without

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 www.intersil.com

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