LT8705 datasheet(34/38 Pages) LINER

номер детали	LT8705

подробное описание детали	60V PolyPhase Synchronous Boost Controller

PDF	38 Pages

Scroll/Zoom	100%

производитель	LINER [Linear Technology]

домашняя страница	http://www.linear.com

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34 / 38 page

LTC3784

3784fb

For more information www.linear.com/LTC3784

Figure 15. 4-Phase 480W Single Output Boost Converter

Typical applicaTions

MBOT2

MTOP2

SENSE2+

SENSE2–

SENSE1–

SENSE1+

VFB

ITH

SGND

EXTVCC

INTVCC

RUN

FREQ

PLLIN/MODE

PGOOD

TG1

SW1

BOOST1

BG1

VBIAS

INTVCC

PGND

BG2

TG2

BOOST2

SW2

CB1, 0.1µF

COUTA1

22µF

× 4

CB2, 0.1µF

CINT1

4.7µF

232k

LTC3784

3.3µH

MTOP1

MBOT1

100k

INTVCC

RSENSE1

CSS, 0.1µF

RA, 12.1k

CITHA, 220pF

RITH, 8.66k

CITH, 15nF

RSENSE2

ILIM

PHASMD

OVMODE

CLKOUT

COUTB1

220µF

VOUT

24V

20A*

VIN

5V to 24V

COUTA2

22µF

× 4

COUTB2

220µF

CINA

22µF

× 4

CINB

220µF

MBOT4

MTOP4

SENSE2+

SENSE2–

SENSE1–

SENSE1+

VFB

ITH

SGND

EXTVCC

RUN

FREQ

PLLIN/MODE

PGOOD

TG1

SW1

BOOST1

BG1

VBIAS

INTVCC

PGND

BG2

TG2

BOOST2

SW2

CB3, 0.1µF

COUTA3

22µF

× 4

CB4, 0.1µF

CINT2

4.7µF

LTC3784

3.3µH

MTOP3

MBOT3

100k

INTVCC

RSENSE3

RSENSE4

ILIM

PHASMD

OVMODE

CLKOUT

COUTB3

220µF

COUTA4

22µF

× 4

COUTB4

220µF

3784 F15

CINA, COUTA1, COUTA2, COUTA3, COUTA4: TDK C4532X5R1E226M

CINB, COUTB1, COUTB2, COUTB3, COUTB4: SANYO, 50CE220LX

L1, L2, L3, L4: PULSE PA1494.362NL

MBOT1, MBOT2, MBOT3, MBOT4, MTOP1, MTOP2, MTOP3, MTOP4: RENESAS HAT2169H

D1, D2, D3, D4: BAS140W

*WHEN VIN < 8V, MAXIMUM LOAD CURRENT AVAILABLE IS REDUCED.

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