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| LTC3811_15 Datasheet, PDF (44/48 Pages) Linear Technology – High Speed Dual, Multiphase Step-Down DC/DC Controller | |||
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LTC3811
TYPICAL APPLICATIONS
1μF
AUX 5V GATE
DRIVE SUPPLY
1.0Ω
TO SUPPLY
MONITOR
5nF
100k
EXTVCC VIN INTVCC DRVCC
PGOOD1
BOOST1
PGOOD2
TG1
SS/TRACK1
SW1
3.32kΩ
1%
4.99k
1%
INTVCC
33pF
100pF
285k
SS/TRACK2
BG1
RNG1
PGND
RNG2
MODE/SYNC
CLKOUT LTC3811
PLL/LPF
SENSE1+
SENSE1â
BOOST2
TG2
PHASEMODE
SW2
SGND
BG2
RUN1
RUN2
FB2
FB1
COMP1
COMP2
SENSE2+
SENSE2â
CSOUT
DIFF/IN+
DIFF/INâ
DIFF/OUT
BAT54
0.33μF
BAT54
10μF
X5R
VIN
100μF 12V
X5R
Ã4
RJK0305DPB
0.4μH 0.0015Ω
RJK0301DPB
50Ω
2200pF
50Ω
0.33μF
50Ω
2200pF
50Ω
500Ω
RJK0305DPB
0.4μH 0.0015Ω
RJK0301DPB
100μF
X5R
100pF
Figure 30. 2-Phase, 12V Input, 1V/30A Output ASIC Supply with Voltage Positioning
VOUT
1V
330μF 30A
Ã6
3811 F30
3811f
44
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