LTM4627
TYPICAL PERFORMANCE CHARACTERISTICS
50mV/DIV
0A TO 7.5A
LOAD STEP
2.5V Transient Response
50mV/DIV
0A TO 7.5A
LOAD STEP
3.3V Transient Response
100μs/DIV
4627 G10
100μs/DIV
4627 G11
50mV/DIV
V IN = 12V, V OUT = 2.5V,
C FF = 82pF, C COMP = 33pF
OUTPUT CAPACITOR = 4 × 100 μ F CERAMIC X5R
5.0V Transient Response
V OUT
V IN = 12V, V OUT = 3.3V,
C FF = 82pF, C COMP = 33pF
OUTPUT CAPACITOR = 2 × 100 μ F CERAMIC X5R
Start-Up with Soft-Start
500mV/DIV
0A TO 7.5A
LOAD STEP
I OUT
5A/DIV
100μs/DIV
4627 G12
50ms/DIV
4627 G13
V OUT
I IN
V IN = 12V, V OUT = 5V,
C FF = 82pF, C COMP = 33pF
OUTPUT CAPACITOR = 2 × 100 μ F CERAMIC X5R
Short-Circuit Protection No Load
500mV/DIV
1A/DIV
V OUT
I IN
V IN = 12V, V OUT = 1.5V, I OUT = 15A
INPUT CAP 150μF SANYO ELECTROLYTIC CAP
AND 22μF × 2 X5R CERAMIC CAP
OUTPUT CAP 1 × 100μF X5R CERAMIC
AND 470μF SANYO POSCAP
0.1μF CAP FROM TRACK/SS TO GND
Short-Circuit Protection 15A Load
500mV/DIV
1A/DIV
4ms/DIV
V IN = 12V, V OUT = 1.5V, I OUT = 0A
4627 G14
4ms/DIV
V IN = 12V, V OUT = 1.5V, I OUT = 15A
4627 G15
4627fc
6
For more information www.linear.com/LTM4627
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