LTM8002 datasheet(22/26 Pages) LINER

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LTM8065

8065fa

For more information www.linear.com/LTM8065

TYPICAL APPLICATIONS

1.2VOUT from 3.4VIN to 40VIN Step-Down Converter. BIAS Is Tied to an External 3.3V Source

2.5VOUT from 5.5VIN to 15VIN Step-Down Converter. BIAS Is Tied to VIN

3.3V

2.2µF

100µF

47pF

1.05M

LTM8065

VOUT

BIAS

VOUT

1.2V

2.5A

VIN

3.4V TO 40V

GND

RUN

SYNC

8065 TA02

PINS NOT USED IN THIS CIRCUIT: TR/SS, PG

78.7k

550kHz

2.2µF

47µF

158k

LTM8065

VOUT

BIAS

VOUT

2.5V

2.5A

VIN

5.5V TO 15V

GND

RUN

SYNC

8065 TA03

PINS NOT USED IN THIS CIRCUIT: TR/SS, PG

45.3k

900kHz

–5VOUT from 3.4VIN to 35VIN Positive to Negative Converter

Maximum Load Current vs VIN,

BIAS tied to LTM8065 GND

2.2µF

22µF

60.4k

LTM8065

VOUT

RUN

OPTIONAL

SCHOTTKY

DIODE

VIN

3.4V TO 35V

GND SYNC BIAS

8065 TA04a

PINS NOT USED IN THIS CIRCUIT:

TR/SS, PG, AUX

INPUT BULK CAP: PLACE THE INPUT BULK CAP BETWEEN VIN AND VOUT (SYSTEM GROUND)

TO MITIGATE THE OUTPUT POSITIVE TRANSIENT WHEN VIN RISES QUICKLY.

41.2k

1MHz

INPUT BULK CAP

VOUT

–5V

INPUT VOLTAGE (V)

8065 TA04b

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