 English |
|
|
|
|
|
|
|
| LTC3784_15 Datasheet, PDF (30/38 Pages) Linear Technology – 60V PolyPhase Synchronous Boost Controller | |||
| |||
| ◁ |
LTC3784
Typical Applications
CSS, 0.1µF
CITH, 15nF RITH, 8.66k
CITHA, 220pF
RA, 12.1k
RB
232k
SENSE1â
SENSE1+
PGOOD
ILIM
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
3.3µH
RSENSE1
4mΩ
MBOT1
MBOT2
L2 RSENSE2
3.3µH 4mΩ
MTOP2
COUTA1 +
22µF
Ã4
COUTB1
220µF
VIN
CIN 5V TO 24V
22µF
Ã2
VOUT
24V
10A*
COUTA2 +
22µF
Ã4
3784 F10
COUTB2
220µF
CIN, COUTA1, COUTA2: TDK C4532X5R1E226M
COUTB1, COUTB2: SANYO, 50CE220LX
L1, L2: PULSE PA1494.362NL
MBOT1, MBOT2, MTOP1, MTOP2: RENESAS HAT2169H
D1, D2: BAS140W
*WHEN VIN < 8V, MAXIMUM LOAD CURRENT AVAILABLE IS REDUCED.
Figure 10. High Efficiency 2-Phase 24V Boost Converter
30
CSS, 0.1µF
CITH, 15nF RITH, 8.66k
CITHA, 220pF
RA, 12.1k
RB
271k
SENSE1â
SENSE1+
PGOOD
ILIM
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
3.3µH
RSENSE1
4mΩ
MBOT1
MBOT2
L2 RSENSE2
3.3µH 4mΩ
MTOP2
COUTA1 +
6.8µF
Ã4
COUTB1
220µF
VIN
5V TO 28V
CIN
6.8µF
Ã4
VOUT
28V
8A
COUTA2 +
6.8µF
Ã4
3784 F11
COUTB2
220µF
CIN, COUTA1, COUTA2: TDK C4532X7RIH685K
COUTB1, COUTB2: SANYO, 50CE220LX
L1, L2: PULSE PA1494.362NL
MBOT1, MBOT2, MTOP1, MTOP2: RENESAS HAT2169H
D1, D2: BAS140W
Figure 11. High Efficiency 2-Phase 28V Boost Converter
For more information www.linear.com/LTC3784
3784fb
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese