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| LTC3784_15 Datasheet, PDF (31/38 Pages) Linear Technology – 60V PolyPhase Synchronous Boost Controller | |||
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Typical Applications
LTC3784
INTVCC
CSS, 0.1µF
CITH, 15nF RITH, 3.57k
CITHA, 220pF
RA, 12.1k
RB
348k
SENSE1â
SENSE1+
ILIM
PGOOD
TG1
PHASMD
SW1
CLKOUT
OVMODE
BOOST1
PLLIN/MODE
SGND LTC3784 BG1
EXTVCC
RUN
FREQ
VBIAS
INTVCC
SS
PGND
ITH
BG2
VFB
SENSE2+
SENSE2â
BOOST2
SW2
TG2
100k
INTVCC
CB1, 0.1µF
D1
CINT
4.7µF
D2
CB2, 0.1µF
MTOP1 L1
10.2µH
RSENSE1
5mΩ
MBOT1
MBOT2
L2 RSENSE2
10.2µH 5mΩ
MTOP2
CIN, COUTA1, COUTA2: TDK C4532X7RIH685K
COUTB1, COUTB2: SANYO, 50CE220LX
L1, L2: PULSE PA2050.103NL
MBOT1, MBOT2, MTOP1, MTOP2: RENESAS RJICO652DPB
D1, D2: BAS170W
Figure 12. High Efficiency 2-Phase 36V Boost Converter
COUTA1 +
6.8µF
Ã4
COUTB1
220µF
VIN
CIN 5V TO 36V
6.8µF
Ã4
VOUT
36V
6A
COUTA2 +
6.8µF
Ã4
3784 F12
COUTB2
220µF
For more information www.linear.com/LTC3784
3784fb
31
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