LTM4643 datasheet(2/43 Pages) AD

2 / 43 page

Data Sheet

LTM8060F

analog.com

Rev. 0

2 of 43

TYPICAL APPLICATION

Figure 2. Quad 3A (4A Peak) Output from 8.5V to 40V Input

* The output current capability (transient peak or

continuous) in Figure 2 is subject to environmental

factors such as ambient temperature, airflow, or other

cooling techniques. For different VIN, VOUT,

and TA conditions, see the notes section (Note 3) of the

Electrical Characteristics table and the derating curves

in the Applications Information section.

Figure 3. Near-Field E Field, 100% Reduction,

All Near-Field Electric Field Noise removed,

from 1MHz to 1GHz

Figure 4. Near-Field H Field, 10db Reduction,

Less Near-Field Electric Field Noise,

from 1MHz to 1GHz

4.7µF

27.4kΩ

47µF

47.5kΩ

47µF

78.7kΩ

64.9kΩ

100µF

×2

287kΩ

100µF

×2

1MΩ

VIN1

RUN1

RT12

SYNC12

VIN2

RUN2

fSW = 1.2MHz

VOUT1

VIN

FB1

AUX1

BIAS12

GND

VOUT2

8.5V TO 40V

VIN34

RUN3

RT34

SYNC34

fSW = 600kHz

×4

VOUT1

UP TO 3A*

(4A PK)

VOUT3

FB3

BIAS34

VOUT4

FB2

PINS NOT USED:

AUX234,

TRSS1234,

SHARE1234,

PG1234,

CLKOUT1234

VOUT2

3.3V

UP TO 3A*

(4A PK)

VOUT3

1.5V

UP TO 4A*

VOUT4

UP TO 4A*

EXTERNAL 5V

FB4

RUN4

GND

LTM8060F

NOISE FLOOR

LTM8060

LTM8060F

FREQUENCY (MHz)

100

200

300

400

500

600

700

800

900 1000

105

115

NOISE FLOOR

LTM8060

LTM8060F

FREQUENCY (MHz)

100

200

300

400

500

600

700

800

900 1000

115

135

155

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