4
Rev. 0
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 3. LTC3311 Multiphase Typical Solution Schematic
Figure 4. DC3186A-A Thermal Performance with 40A Load at Room Temperature
LTC3311
LTC3311
V
OUT
1.2V
50A
PGOOD
SW
FB
RT
EN
MODE/SYNC
ITH
PGOOD
SW
FB
RT
EN
MODE/SYNC
SSTT
ITH
22µF
×2
22µF
×2
0.01µF
0.01µF
1M
0.01µF
0.01µF
22µF
L, 100nH
22µF
L, 100nH
22µF
22µF
0.1µF
3.32k
470pF
NC
10µF
1µF
10µF
1µF
V
IN
V
IN
3V TO 5.5V
AGND PGND
SSTT
V
IN
V
IN
V
IN
AGND PGND
140k
100k
6.8pF
274k
100k
PGOOD
PGOOD
22µF
249k
MASTER
PHASE
SLAVE
PHASES
dc3186a F03
L = COILCRAFT, XEL4030-101ME