FAN5235 View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

FAN5235

System Electronics Regulator for Mobile PCs

Fairchild Semiconductor 

FAN5235

Notebook Application Circuit

5.4-24V

C1

C2

3.3V@50mA

C10

1

24

2

23

5V@50mA

3.3V@5A

C11

D5

L1 C5 Q1

+

C12, C13 D1

Q2

R2

3

22

4

21

5

20

6

U1

19

7

FAN5235

18

8

17

9

16

10

15

SDN3.3

C3

+5V

11

12

14

13

R1

PGOOD

Pin 6

D4

Q3

R3

Q4

C6 L2

D2

L3

C7 C8 5V@5A

+

SDN5 R6

D3

Q5 C9

C4

SDWN

12V@120mA

R4

R5

Figure 8. FAN5235 Notebook Application Circuit

Table 1. FAN5235 Application Bill of Materials

Reference Manufacturer, Part #

Quantity

C1

SANYO

1

25SP33M

C2-6

Any

5

C7-8

KEMET

2

C12-13

T510X337(1)010AS

2

C10-11

AVX*020R1800TPSA475

2

C9

AVX

1

TPSV68*025R0095

R1

Any

1

R2, R3

Any

2

R4, R5

Any

1

R6

Any

1

D1-3

Fairchild SS22

3

D4-5

Fairchild MBR0520L

2

L1-2

Any

2

L3

Any

1

Q1-4

Fairchild FDS6690A

4

Q5

Fairchild NDC631N

1

U1

Fairchild FAN5235

1

Description

33µF, 25V

100nF, 50V

330µF, 10V

4.7µF, 20V

68µF, 25V,

ESR=95mΩ

10KΩ, 1%

1KΩ, 1%

380KΩ, 100KΩ

10Ω

2A, 40V Schottky

500mA, 20V Schottky

6.4µH, 5A

5.6µH, 2A

30V N-channel MOSFET

20V N-channel MOSFET

SER Controller

Comments

OSCON,

Irms = 3A,

19V adapter.

Ceramic

Tantalum,

ESR=35mΩ

Tantalum, ESR=1.8Ω

Tantalum,

Irms = 0.5A

1%

R < 25mΩ

R = 17mΩ

R = 60mΩ

11

REV. 1.3.3 1/3/02

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