FAN53180MTC datasheet(8/28 Pages) FAIRCHILD

部件名	FAN53180MTC

功能描述	6-Bit VID Controlled 2-4 Phase DC-DC Controller

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制造商	FAIRCHILD [Fairchild Semiconductor]

网页	http://www.fairchildsemi.com

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8 / 28 page

FAN53180

PRODUCT SPECIFICATION

8

REV. 1.0.0 6/10/03

Typical Characteristics

TPC 1. Master Clock Frequency

TPC 2. Supply Current vs. Master Clock Frequency

4

050

100

150

RT VALUE – k

Ω

SEE EQUATION 1 FOR FREQUENCIES NOT ON THIS GRAPH

200

250

300

3

2

1

0

5.3

00.5

1.0

1.5

MASTER CLOCK FREQUENCY – MHz

2.0

2.5

3.0

3.5

4.0

5.0

5.1

5.2

4.8

4.9

4.7

4.6

TA = 25

°C

4-PHASE OPERATION

Test Circuits

Test Circuit 1 – Current Sense Amplifier VOS

Test Circuit 2 – Voltage Positioning

Test Circuit 3 – Closed Loop Output Voltage Accuracy

VCC

28

18

19

17

16

CSREF

CSSUM

CSCOMP

GND

CSA

100nF

39k

Ω

1k

Ω

1V

+12V

40

1V

CSCOMP –

V

OS =

VCC

28

18

19

17

16

CSREF

CSSUM

CSCOMP

GND

CSA

100nF

200k

Ω

1V

+12V

9

8

10k

Ω

FB

COMP

200k

Ω

∆V

mV

V

mV

V

FB

– FB

FB

V

0

80

=

∆

=

∆

=

∆

VID4

VID0

VID1

VID2

VID3

VID5

FAN53180

VCC

1VID4

8

11

10

9

12

14

13

6

5

4

7

3

2

28

21

18

19

20

17

15

16

23

24

25

22

26

27

RAMPADJ

RT

DELAY

EN

PWRGD

COMP

FB

FBRTN

VID5

VID0

VID1

VID2

VID3

ILIMIT

CSREF

CSSUM

CSCOMP

GND

SW4

SW3

SW2

SW1

PWM4

PWM3

PWM2

PWM1

250k

Ω

100nF

4.7nF

250k

Ω

20k

Ω

1

µF

100nF

+12V

1k

Ω

1.25V

类似零件编号 - FAN53180MTC

制造商	部件名	数据表	功能描述
Fairchild Semiconductor	FAN53168	397Kb / 28P	6-Bit VID Controlled 2-4 Phase DC-DC Controller
Fairchild Semiconductor	FAN53168MTC	397Kb / 28P	6-Bit VID Controlled 2-4 Phase DC-DC Controller

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类似说明 - FAN53180MTC

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