Analog Devices Linear ADI Power LTM4681 Manual page 14

LTM4681
TYPICAL PERFORMANCE CHARACTERISTICS
Quad Output Concurrent Rail,
Start-Up/Shut Down
V OUT3 , 3.3V
1V/DIV
V OUT2 , 2.5V
1V/DIV
V OUT1 , 1.8V
1V/DIV
V OUT0 , 30A
1V/DIV
I
OUT0
20A/DIV
RUN0,1,2,3
5V/DIV
FIGURE 48 CIRCUIT, 12V
NO LOAD ON OTHER OUTPUTS
Single Phase Single Output
Short-Circuit Protection, No Load
V , 1V
OUT0
0.5V/DIV
I
IN
2A/DIV
FIGURE 48 CIRCUIT, 12V
PRIOR TO APPLICATION OF SHORT-CIRCUIT
USE HIGH RANGE OF I LIMIT SYSTEM
SHORT-CIRCUIT USING LOW IMPEDANCE
COPPER ACROSS OUTPUT (HARD SHORT)
14
5ms/DIV
4681 G10
, 30A ON V
IN OUT0
50 s/DIV
4681 G12
, NO LOAD ON V
IN OUT0
For more information
T = 25°C, unless otherwise noted.
A
Quad Output Concurrent Rail,
Start-Up/Shut Down, Pre-Bias
V OUT3 , 3.3V
1V/DIV
V OUT2 , 2.5V
1V/DIV
V OUT1 , 1.8V
1V/DIV
V OUT0 , 30A
1V/DIV
I
OUT0
20A/DIV
RUN0,1,2,3
5V/DIV
FIGURE 48 CIRCUIT, 12V
NO LOAD ON OTHER OUTPUTS AND
0.5V PREBIAS ON V
Single Phase Single Output
Short-Circuit Protection, 30A Load
V , 1V
OUT0
0.5V/DIV
I
IN
2A/DIV
FIGURE 48 CIRCUIT, 12V
PRIOR TO APPLICATION OF SHORT-CIRCUIT
USE HIGH RANGE OF I LIMIT SYSTEM
SHORT-CIRCUIT USING LOW IMPEDANCE
COPPER ACROSS OUTPUT (HARD SHORT)
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5ms/DIV
4681 G11
, 30A ON V
IN OUT0
OUT1
50µs/DIV
4681 G13
, 30A LOAD ON V
IN OUT0
Rev. A