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| LTC3786_15 Datasheet, PDF (26/34 Pages) Linear Technology – Low IQ Synchronous Boost Controller | |||
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LTC3786
Applications Information
VBIAS
SENSE+
LTC3786
SENSEâ
CSS 0.1µF
CITH
15nF
RITH
8.66k
CITHA 220pF
PLLIN/MODE
RUN
TG
FREQ
SW
SS
BOOST
BG
ITH
INTVCC
CB 0.1µF
D
RA 12.1k
VFB
RS
357k
GND
100k
PGOOD
RSENSE
5mΩ
L
10.2µH
MTOP
MBOT
CINT
4.7µF
CIN
6.8µF
Ã4
COUTA +
6.8µF
Ã4
CIN, COUTA: TDK C4532X7R1H685K
COUTB: SANYO 63CE220KX
D: BAS170W
L: PULSE PA2050.103NL
MBOT, MTOP: RENESAS RJIC0652DPB
*WHEN VIN < 9V, MAXIMUM LOAD CURRENT AVAILABLE IS REDUCED.
Figure 10. High Efficiency 36V Boost Converter
VIN
5V TO 36V
COUTB
220µF
VOUT
36V
3A*
3786 F10
26
VBIAS
SENSE+
CSS 0.1µF
CITH 100nF RITH 13k
CITHA 10pF
RA 115k
LTC3786
SENSEâ
PLLIN/MODE TG
RUN
FREQ
SW
SS
BOOST
BG
RSENSE
9mΩ
L
10µH
â¢â¢
C
10µF
MBOT
ITH
INTVCC
GND
100k
VFB
PGOOD
CINT
4.7µF
RS
887k
CIN: SANYO 50CE220LX
COUT: SANYO SVPC270M
D: DIODES, INC. B360A-13-F
L: COOPER BUSSMANN DRQ125-100
MBOT: BSZ097NO4L
CIN
22µF
D
COUT
270µF
VIN
5.8V TO 34V
VOUT
10.5V
1.2A
3786 F11
Figure 11. 10.5V Nonsynchronous SEPIC Converter
3786fa
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