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| LTC3708_15 Datasheet, PDF (29/32 Pages) Linear Technology – Fast 2-Phase, No RSENSE Buck Controller with Output Tracking | |||
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TYPICAL APPLICATIONS
Dual-Phase, 30A Power Supply with 10mV Output Ripple
VIN
5V + CIN1
100μF
6.3V
CIN2-CIN7
4.7μF
6.3V s6
LTC3708
VOUT
1V
30A
COUT1
1μF
6.3V
TRACK
+ COUT3
470μF
2.5V s2
BAT54A
10Ω
BOOST2
VCC
1μF
PGND1
1μF
PGND2
M1
L1
0.19μH
B340A
M3
R1 VCC
10k
0.1%
100k
274k
VIN
R2
15k
0.1%
0.01μF
22k
1μF
0.22μF
VCC TRACK1 FCB DRVCC
TG1
TG2
BOOST1
BOOST2
SW1
SENSE1+
SW2
SENSE2+
100pF
BG1 LTC3708 BG2
SENSE1â
SENSE2â
PGND1
PGND2
VRNG1
ION1
VFB1
TRACK2
EXTLPF
ITH1
RUN/SS
VRNG2
ION2
VFB2
PWRGD
INTLPF
ITH2
SGND
1000pF 100k
VCC
220pF
22.1k
BOOST2
M2
0.22μF
M4
100pF
L2
0.19μH
COUT4 +
B340A
470μF
2.5V s2
COUT2
1μF
6.3V
VRNG1
274k
VIN
VIN
100k
PGOOD
1nF
220pF
10k
0.01μF
0.01μF
CIN1: SANYO OS-CON 6SVP100M
COUT3, COUT4: SANYO POSCAP 2R5TPD470M
L1, L2: PANASONIC ETQP4LR19
M1 TO M4: RENESAS HAT2165
3708 TA05
3708fb
29
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