LTC3890-2 Datasheet, PDF(28/40 Page) Linear Technology – 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

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LTC3890-2 Datasheet, PDF (28/40 Pages) Linear Technology – 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

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LTC3890-2

APPLICATIONS INFORMATION

TRACK/SS1

ITH1

PGOOD2

VFB1

PGOOD1

R1*

SENSE1+

TG1

C1*

SENSE1â

SW1

LTC3890-2

FREQ

BOOST1

PHASMD

BG1

CLKOUT

fIN

PLLIN/MODE

VIN

RUN1

PGND

RUN2

SGND

SENSE2â

C2*

SENSE2+

R2*

VFB2

ITH2

EXTVCC

INTVCC

BG2

BOOST2

SW2

TRACK/SS2

TG2

ILIM

RPU2

VPULL-UP

PGOOD2

RPU1

VPULL-UP

PGOOD1

RSENSE

CB1

D1*

CINTVCC

CB2

RIN

CVIN

1Î¼F

CERAMIC

VIN

CIN

1Î¼F

CERAMIC

COUT1

COUT2

D2*

RSENSE

*R1, R2, C1, C2, D1, D2 ARE OPTIONAL.

38902 F11

Figure 11. Recommended Printed Circuit Layout Diagram

VOUT1

GND

VOUT2

38902f

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