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| LTC3826_15 Datasheet, PDF (34/36 Pages) Linear Technology – 30A IQ, Dual, 2-Phase Synchronous Step-Down Controller | |||
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LTC3826
TYPICAL APPLICATIONS
High Efï¬ciency Dual 1.2V/1V Step-Down Converter
CSS1
0.01μF
CITH1A
100pF
CITH1
1.2nF
RITH1
23.7k
RA1
102k
470pF
RB1
25.5k
C1
1nF
RA2
100k
CITH2
1nF
RITH2
33.2k
CITH2A
100pF
CSS2
0.01μF
C2
1nF
RB2
49.9k
270pF
LTC3826
ITH1
TRACK/SS1
PGOOD2
VFB1
PGOOD1
SENSE1+
TG1
SENSE1â
SW1
PLLLPF
PHASMD
CLKOUT
PLLIN/MODE
SGND
RUN1
RUN2
BOOST1
BG1
VIN
PGND
EXTVCC
SENSE2â
INTVCC
SENSE2+
BG2
VFB2
BOOST2
ITH2
SW2
TRACK/SS2
TG2
FOLDDIS
100k
100k
CB1 0.47μF
D1
CINT2
4.7μF
D2 CB2
0.47μF
MTOP1 L1
1.8μH
RSNS1
12mΩ
MBOT1
COUT1
220μF
Ã2
VOUT1
1.0V
5A
VIN
12V
CIN1
10μF
CIN2
10μF
MTOP2 L2
2.2μH
RSNS2
12mΩ
MBOT2
VOUT2
COUT2
220μF
1.2V
5A
Ã2
MTOP1, MTOP2, MBOT1, MBOT2: Si7848DP
L1: CDEP105-1R8M
L2: CDEP105-2R2M
COUT1, COUT2 = SANYO 10TPD150M
3826 TA05
3826fc
34
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