LTC3811_15 Datasheet, PDF (43/48 Pages) Linear Technology – High Speed Dual, Multiphase Step-Down DC/DC Controller

LTC3811
TYPICAL APPLICATIONS
VOUT1
2V
15A
330μF
×2
1Ω
0.1μF
RJK0305DPB
0.1μF
BAT54 _{EXTVCC VIN INTVCC DRVCC}
TG1
TG2
RJK0301DPB
BOOST1
SW1
BG1
BOOST2
SW2
BG2
CLKOUT
PGND
1.21k
PLL/LPF
MODE/SYNC
PGOOD1
PGOOD2
0.4μH
0.5mΩ
680nF
1.21k
PHASMODE
LTC3811
SENSE1⁺
SENSE1^–
RNG2
RNG1
CS/OUT
SENSE2⁺
SENSE2^–
DIFF/IN⁺
DIFF/IN^–
RUN2
11.8k
1%
RUN1
DIFF/OUT
FB1
FB2
33pF
47μF
X5R
100pF
COMP1
COMP2
4.99k
56k
SS/TRACK1 SGND SS/TRACK2
1%
5nF
10μF
X5R
BAT54
0.1μF
47μF
X5R
RJK0305DPB
100k
100k
1.21k
RJK0301DPB
INTV_{CC 1.21k}
680nF 0.4μH
0.5mΩ
7.5k
1%
33pF
100pF _56k
4.99k
1%
2.43k 1.21k
V_IN
330μF ^{4.5V TO 14.5}
16V
VOUT2
1.5V
15A
47μF
330μF
X5R
×2
3811 F29
Figure 29. High Efficiency Core-I/O Power Supply with Differential Remote Sensing and Tracking
3811f
43