Datasheet

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