LTM4601HV View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTM4601HV

12A 28VIN DC/DC µModule Regulator with PLL, Output Tracking and Margining

Linear Technology 

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APPLICATIONS INFORMATION

LTM4601HV

C1

0.1µF

118k

1%

VIN

6V TO 28V

VOUT

R2

R4

100k 100k

LTC6908-1

1 V+ OUT1 6

2 GND OUT2 5

3 SET MOD 4

2-PHASE

OSCILLATOR

+ C5*

100µF

35V

C2

10µF

35V

×2

R1

392k

5%

MARGIN

PGOOD

C8

10µF

35V

×2

392k

CLOCK SYNC

0° PHASE

TRACK/SS CONTROL

VOUT

=

0.6V

60.4k

N

+

RSET

RSET

N = NUMBER OF PHASES

VIN

PGOOD

PLLIN TRACK/SS

VOUT

MPGM

RUN

VFB

MARG0

COMP

INTVCC

LTM4601HV MARG1

VOUT_LCL

DRVCC

DIFFVOUT

VOSNS+

VOSNS–

SGND PGND fSET

C6 220pF

RSET

6.65k

C3

22µF

6.3V

C4 +

470µF

6.3V

REFER TO

TABLE 2

100pF

VOUT

3.3V

20A

MARGIN CONTROL

CLOCK SYNC

180° PHASE

TRACK/SS CONTROL

C7

0.033µF

VIN

PGOOD

PLLIN TRACK/SS

VOUT

MPGM

RUN

VFB

MARG0

COMP

INTVCC

LTM4601HV MARG1

VOUT_LCL

DRVCC

DIFFVOUT

VOSNS+

VOSNS–

SGND PGND fSET

C3

+

22µF

6.3V

REFER TO

TABLE 2

C4

470µF

6.3V

*C5 OPTIONAL TO REDUCE ANY LC RINGING.

NOT NEEDED FOR LOW INDUCTANCE PLANE CONNECTION

4601HV F21

Figure 21. 2-Phase Parallel, 3.3V at 20A Design

4601hvfb

23

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