FAN5240 Просмотр технического описания (PDF) - Fairchild Semiconductor

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FAN5240

Multi-Phase PWM Controller for AMD Mobile Athlon™ and Duron™

Fairchild Semiconductor 

Typical Application

VIN (BATTERY)

= 5 to 24V

+5

VCC 28

C3 C4

+5

R1

PGOOD 19

EN 14

C5

FPWM 12

VID0 11

VID1 10

VID2 9

VID3 8

VID4 7

C11 SS 20

C10

DELAY 16

R4 ILIM 13

AGND

15

VIN

21

Phase 1

Phase 2

25 BOOT1

Q1

24 HDRV1

23 SW1

Q2

C1

C2

D2

+5

C7

C8

Q3

LDRV1

27

R2

26 PGND1

22 ISNS1

18 VCORE + R6

C12 C13 C14

C15

17 VCORE D

3 BOOT2

VIN

C9

Q4

4 HDRV2

5 SW2

D1

+5

C6

V CORE

C16

Q5

Q6

LDRV2

1

R3

2 PGND2

6 ISNS2

Figure 1. AMD Mobile Athlon/Duron CPU Core Supply

Table 1. BOM for Figure 1

Description

Capacitor 22µF, Ceramic X7R 25V

Capacitor 1µF, Ceramic

Capacitor 0.1µF, Ceramic

Capacitor 0.22µF, Ceramic

Capacitor 270µF, 2V, ESR 15mΩ

10KΩ, 5% Resistor

1KΩ, 1% Resistor

56.2KΩ, 1% Resistor

Schottky Diode 40V

Inductor 1.6µH, 20A, 2.4mΩ

N-Channel SO-8 MOSFET, 11mΩ

N-Channel SO-8 SyncFET™ MOSFET, 6mΩ

Qty

Ref.

2 C1, C2

3 C3, C7, C9

6 C4–C6, C8, C11, C12

1 C10

4 C13–C16

2 R1

1 R2, R3, R6

2 R4

2 D1, D2

1 L1, L2

1 Q1, Q4

1 Q2, Q3, Q5, Q6

Vendor

TDK

Any

Any

Any

Panasonic

Any

Any

Any

Fairchild

Panasonic

Fairchild

Fairchild

Part Number

EEFUE0D271R

MBR0540

ETQP6F0R8LFA

FDS6694

FDS6676S

2

www.fairchildsemi.com

FAN5240 Rev. 1.2.0

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