IR3531A-MPBF datasheet(4/39 Pages) IRF

Part #	IR3531A-MPBF

Description	41 Phase Dual Output Control IC Pre-bias compatible

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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4 / 39 page

4+1 Phase Dual Output Control IC

IR3531A

March 22, 2012 | FINAL | V1.11

4

TYPICAL APPLICATION DIAGRAM

Figure 5: IR3531A Typical Application Diagram

CIMON1

VDAC

TO IOUT SIGNALS

OF PHASES 1, 2

BBR#

PWM1

PWM2

RADDR1

RPSC

RFB1

TO PWM SIGNALS

OF PHASES 1, 2

RICCP1

12V

RHOTSET1

VDAC

CFB1

1

2

LVCC

ENABLE

COUTVCC

ALERT#

8

VCLK

9

V12V

7

PWM1

27

PHSSHED

11

VCC

5

TRACK

25

SCLK

29

BBR#

26

PWM2

28

BBR1#

36

PWM4

35

PWM3

34

TSENS

33

ROSC/OVP

32

ADDR

31

VRHOT#

2

VRRDY

4

VDIO

10

EN

1

VRRDY 1

3

ICCP

30

IMON_R1

12

GND

49

SW

6

IR3531A

VRHOT#

VRRDY

VCLK

VDIO

RCFB1

CEA

CFB

ALERT#

RTCMP1

RDRP

RFB

RTCMP3

RCFB

VRRDY 1

RTCMP2

RTHERM1

RTHERM2

ROSC

RCP

CEA1

RADDR2

CCP

RHOTSET2

RICCP2

RHOTSET3

CCP1

RCP1

IIN1

IIN2

TO PWM SIGNALS

OF PHASES 3, 4

TO IOUT SIGNALS

OF PHASES 3, 4

VDAC

RDRP1

TRACK

PHSSHED

SCLK

RTHERM3

RSCALE1

RSCALE3

RSCALE2

BBR1#

VDAC1

CIMON

PWM_R1

IOUT1

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IR3531A-MPBF Datasheet(PDF) 4 Page - International Rectifier

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