LTC3890 Datasheet, PDF(27/36 Page) Linear Technology – 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

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LTC3890 Datasheet, PDF (27/36 Pages) Linear Technology – 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

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APPLICATIONS INFORMATION

LTC3890

TRACK/SS1

ITH1

PGOOD2

VFB1

PGOOD1

SENSE1+

TG1

SENSE1â

SW1

LTC3890

FREQ

BOOST1

PHASMD

BG1

CLKOUT

fIN

PLLIN/MODE

VIN

RUN1

RUN2

SGND

SENSE2â

PGND

EXTVCC

INTVCC

SENSE2+

BG2

VFB2

BOOST2

ITH2

SW2

TG2

TRACK/SS2

ILIM

RPU2

VPULL-UP

PGOOD2

RPU1

VPULL-UP

PGOOD1

RSENSE

CB1

CINTVCC

CB2

RIN

CVIN

1Î¼F

CERAMIC

VIN

CIN

1Î¼F

CERAMIC

COUT1

COUT2

RSENSE

3890 F11

Figure 11. Recommended Printed Circuit Layout Diagram

VOUT1

GND

VOUT2

3890f

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