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| LTC3826-1 Datasheet, PDF (29/32 Pages) Linear Technology – 30μA IQ, Dual, 2-Phase Synchronous Step-Down Controller | |||
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LTC3826-1
TYPICAL APPLICATIONS
High Efï¬ciency Synchronizable Dual 5V/8V Step-Down Converter
CSS1
0.01μF
CITH1A
100pF
CITH1
470pF
RITH1
24.2k
RA1
69.8k
RB1
365k
C1
10nF
1nF
10k
RA2
39.2k
CITH2
330pF
RITH2
105k
CITH2A
100pF
CSS2
0.01μF
C2
1nF
RB2
353k
39pF
ITH1
TRACK/SS1
VFB1
SENSE1+
PGOOD1
TG1
SENSE1â
SW1
PLLLPF
BOOST1
PLLIN/MODE
BG1
SGND
VIN
LTC3826-1
RUN1
PGND
RUN2
SENSE2â
SENSE2+
EXTVCC
INTVCC
BG2
VFB2
BOOST2
ITH2
SW2
TRACK/SS2
TG2
R2
100k
CB1 0.47μF
D1
CINT2
4.7μF
D2 CB2
0.47μF
MBOT2
22pF
MTOP1, MTOP2, MBOT1, MBOT2: Si7848DP
L1: CDEP105-3R2M
L2: CDEP105-7R2M
COUT1, COUT2 = SANYO 10TPD150M
MTOP1 L1
3.3μH
RSNS1
12mΩ
COUT1
150μF
VOUT1
5V
5A
MBOT1
D3
VIN
12V
CIN1
10μF
CIN2
10μF
MTOP2 L2
7.2μH
RSNS2
20mΩ
D4
VOUT2
COUT2 8V
150μF 2A
38261 TA04
38261fb
29
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