LTC3829 datasheet(11/40 Pages) LINER

Part #	LTC3829

Description	3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC3829

3829f

FuncTional DiagraM

SLEEP

ISET

INTVCC

0.55V

–

+

0.5V

SS

1.22V

RUN

ISET

1.25µA

VIN

EA

ITH R

C

CC1

CSS

ISET

RUN

TK/SS

0.6V

REF

S

R Q

SHED

COMP

5V

REG

IFAST

SLOPE RECOVERY

ACTIVE CLAMP

OSC

MODE/SYNC

DETECT

SLOPE

COMPENSATION

UVLO

1

51k

ITHB

1.0µA

IFAST

CLKOUT

FREQ

MODE

PLLIN

ITEMP

0.6V

BURSTEN

EXTVCC

ILIM

–

+

ICOMP

IREV

F

–

+

4.7V

F

3k

–

+

–

+

OV

UV

–

+

–

+

–

+

DIFFAMP

0.54V

VFB

PGOOD

PGND

CVCC

CB

M1

M2

VOUT

L1

INTVCC

VIN

COUT

DB

BG

SENSE–

SENSE+

SW

TG

BOOST

INTVCC

DIFFOUT

DIFFN

3829 BD

SENSE1+

SENSE1–

SENSE2+

SENSE2–

SENSE3+

SENSE3–

DIFFP

SGND

AVP

0.66V

R1

RPRE-AVP

40k

RAVP

40k

R2

SWITCH

LOGIC

AND

ANTISHOOT-

THROUGH

OV

RUN

ON

FCNT

PLL-SYNC

TEMPSNS

+

CIN

+

VIN

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LTC3829 Datasheet(PDF) 11 Page - Linear Technology

LTC3829 Datasheet(HTML) 11 Page - Linear Technology

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