LTM4680 datasheet(14/132 Pages) AD

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LTM4681

Rev. 0

For more information www.analog.com

Single Phase Single Output

Short-Circuit Protection, No Load

Single Phase Single Output

Short-Circuit Protection, 30A Load

VOUT0, 1V

0.5V/DIV

IIN

2A/DIV

50s/DIV

4681 G12

FIGURE 48 CIRCUIT, 12VIN, NO LOAD ON VOUT0

PRIOR TO APPLICATION OF SHORT-CIRCUIT

USE HIGH RANGE OF I LIMIT SYSTEM

SHORT-CIRCUIT USING LOW IMPEDANCE

COPPER ACROSS OUTPUT (HARD SHORT)

VOUT0, 1V

0.5V/DIV

IIN

2A/DIV

50µs/DIV

FIGURE 48 CIRCUIT, 12VIN, 30A LOAD ON VOUT0

PRIOR TO APPLICATION OF SHORT-CIRCUIT

USE HIGH RANGE OF I LIMIT SYSTEM

SHORT-CIRCUIT USING LOW IMPEDANCE

COPPER ACROSS OUTPUT (HARD SHORT)

4681 G13

5ms/DIV

FIGURE 48 CIRCUIT, 12VIN, 30A ON VOUT0

NO LOAD ON OTHER OUTPUTS

4681 G10

VOUT1, 1.8V

1V/DIV

VOUT2, 2.5V

1V/DIV

VOUT3, 3.3V

1V/DIV

VOUT0, 30A

1V/DIV

IOUT0

20A/DIV

RUN0, RUN1,

RUN2, RUN3

5V/DIV

Quad Output Concurrent Rail,

Start-Up/Shut Down

Quad Output Concurrent Rail,

Start-Up/Shut Down, Pre-Bias

VOUT1, 1.8V

1V/DIV

VOUT2, 2.5V

1V/DIV

VOUT3, 3.3V

1V/DIV

VOUT0, 30A

1V/DIV

IOUT0

20A/DIV

RUN0, RUN1,

RUN2, RUN3

5V/DIV

5ms/DIV

4681 G11

FIGURE 48 CIRCUIT, 12VIN, 30A ON VOUT0

NO LOAD ON OTHER OUTPUTS AND

0.5V PREBIAS ON VOUT1

TYPICAL PERFORMANCE CHARACTERISTICS T

A = 25°C, unless otherwise noted.

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