LTM4703

28

Rev. 0

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Figure 15. –5V, 5.5A from 5V to 11VIN, 800kHz with Soft-Start

Figure 16. 3.3V, 12A, –3.3V, 9.4A from 12VIN, 800kHz with Soft-Start

137k

49.9k

4.7µF

10µF

453k

220µF

×2

VIN

SVIN

RUN

COMPa

COMPb

RT

AGND

VIN

5V TO 11V

LTM4703

VOUT

VOSNS

PGSET

SET

GND

4703 F15

VOUT

–5V, 5.5A*

fSW = 800kHz

*FOR DETAILS ON GENERATING NEGATIVE OUTPUT, REFER TO ANALOG DEVICES DESIGN NOTE 1021 (DN1021).

OPTIONAL

SCHOTTKY

DIODE

137k

33.2k

4.7µF

10µF

280k

220µF

×2

VIN

SVIN

RUN

COMPa

COMPb

RT

AGND

VIN

12V

LTM4703

VOUT

VOSNS

PGSET

SET

GND

VOUT

3.3V, 12A

fSW = 800kHz

137k

33.2k

4.7µF

10µF

280k

220µF

×2

VIN

SVIN

RUN

COMPa

COMPb

RT

AGND

LTM4703

VOUT

VOSNS

PGSET

SET

GND

4703 F16

VOUT

–3.3V, 9.4A*

fSW = 800kHz

*FOR DETAILS ON GENERATING NEGATIVE OUTPUT, REFER TO ANALOG DEVICES DESIGN NOTE 1021 (DN1021).

OPTIONAL

SCHOTTKY

DIODE

TYPICAL APPLICATION