LT3757 datasheet(29/36 Pages) LINER

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LTC3787

3787fc

TYPICAL APPLICATIONS

MBOT2

MTOP2

SENSE1+

SENSE1–

SENSE2+

SENSE2–

VFB

ITH

SGND

EXTVCC

RUN

FREQ

PLLIN/MODE

PGOOD

TG1

SW1

BOOST1

BG1

VBIAS

INTVCC

PGND

BG2

TG2

BOOST2

SW2

CB1, 0.1μF

COUTA1

22μF

CB2, 0.1μF

CINT

4.7μF

232k

LTC3787

3.3μH

MTOP1

MBOT1

100k

3787 F10

INTVCC

RSENSE1

4mΩ

CSS, 0.1μF

RA, 12.1k

CITHA, 220pF

RITH, 8.66k

CITH, 15nF

RSENSE2

4mΩ

ILIM

PHASMD

CLKOUT

COUTB1

220μF

COUTA2

22μF

COUTB2

220μF

CIN

22μF

VIN

5V TO 24V

VOUT

24V, 10A*

CIN, COUTA1, COUTA2: TDK C4532X5R1E226M

COUTB1, COUTB2: SANYO, 50CE220LX

L1, L2: PULSE PA1494.362NL

MBOT1, MBOT2, MTOP1, MTOP2: RENESAS HAT2169H

D1, D2: BAS140W

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

Figure 10. High Efficiency 2-Phase 24V Boost Converter

Figure 11. High Efficiency 2-Phase 28V Boost Converter

MBOT2

MTOP2

SENSE1+

SENSE1–

SENSE2+

SENSE2–

VFB

ITH

SGND

EXTVCC

RUN

FREQ

PLLIN/MODE

PGOOD

TG1

SW1

BOOST1

BG1

VBIAS

INTVCC

PGND

BG2

TG2

BOOST2

SW2

CB1, 0.1μF

COUTA1

6.8μF

× 4

CB2, 0.1μF

CINT

4.7μF

271k

LTC3787

3.3μH

MTOP1

MBOT1

100k

3787 F11

INTVCC

RSENSE1

4mΩ

CSS, 0.1μF

RA, 12.1k

CITHA, 220pF

RITH, 8.66k

CITH, 15nF

RSENSE2

4mΩ

ILIM

PHASMD

CLKOUT

COUTB1

220μF

COUTA2

6.8μF

× 4

COUTB2

220μF

CIN

6.8μF

× 4

VIN

5V TO 28V

VOUT

28V, 8A

CIN, COUTA1, COUTA2: TDK C4532X7RIH685K

COUTB1, COUTB2: SANYO, 50CE220LX

L1, L2: PULSE PA1494.362NL

MBOT1, MBOT2, MTOP1, MTOP2: RENESAS HAT2169H

D1, D2: BAS140W

LT3757 Datasheet(PDF) 29 Page - Linear Technology

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