LTC3784_15 Datasheet, PDF (33/38 Pages) Linear Technology – 60V PolyPhase Synchronous Boost Controller

Typical Applications
C1
0.1µF
C3
0.1µF
INTV_CC
R_FREQ, 41.2k
C_SS, 0.1µF
SENSE1^–
SENSE1⁺
ILIM
PGOOD
TG1
PHASMD
CLKOUT
SW1
OVMODE
BOOST1
PLLIN/MODE
SGND _{LTC3784 BG1}
EXTV_CC
RUN
FREQ
VBIAS
INTV_CC
SS
C_ITH, 15nF _{RITH, 8.87k, 1%}
ITH
C_ITHA, 220pF
R_A
12.1k, 1%
R_S
232k
1%
VFB
C4
0.1µF _SENSE2+
PGND
BG2
BOOST2
SW2
TG2
C2
0.1µF
SENSE2^–
100k
INTV_CC
C_B1, 0.1µF
D3
MTOP1
MBOT1
D1
C_INT
4.7µF
D2
C_B2, 0.1µF
MBOT2
MTOP2
D4
R_S2
53.6k
1%
R_S1
26.1k
1%
L1
10.2µH
L2
10.2µH
R_S3
26.1k
1%
R_S4
53.6k
1%
LTC3784
C_OUTA1 ⁺
6.8µF
×4
C_OUTB1
220µF
C_INA ⁺
22µF
×4
V_IN
5V TO 24V
C_INB
220µF
V_OUT
24V
8A
C_OUTA2 +
6.8µF
×4
C_OUTB2
220µF
3784 F14
C_OUTA1, C_OUTA2: C4532x7R1H685K
C_OUTB1, C_OUTB2: SANYO 63CE220KX
C_INA: TDK C4532X5R1E226M
C_INB: SANYO 50CE220AX
L1, L2: SER2918H-103
MBOT1, MBOT2, MTOP1, MTOP2: RENESAS RJK0305
D1, D2: BAS140W
D3, D4: DIODES INC. B340B
Figure 14. High Efficiency 2-Phase 24V Boost Converter with Inductor DCR Current Sensing
For more information www.linear.com/LTC3784
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