LTC3788-1 Linear Technology, LTC3788-1 Datasheet - Page 26

• Manufacturer Part Number: LTC3788-1
• Description: Dual Output Synchronous Boost Controller
• Manufacturer: Linear Technology

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LTC3788-1
TYPICAL APPLICATIONS
26
12.1k, 1%
12.1k, 1%
R
41.2k
C
R
C
FREQ
ITH2
R
ITH1
A1
A2
, 4.7nF
, 15nF
C
C
C
C
ITH2A
R
232k
1%
R
475k
1%
ITH1
SS1
SS2
B1
B2
, 0.01μF
, 0.01μF
, 220pF
, 220pF
Figure 10. High Effi ciency Dual 24V/48V Boost Converter with Inductor DCR Current Sensing
C
C
C
C
L1: PULSE PA2050.103NL
L2: PULSE PA2050.163NL
OUTA1
OUTB1
INA
INB
26.1k, 1%
8.87k, 1%
30.1k, 1%
23.7k, 1%
C3
0.1μF
R
R
, C
, C
R
R
ITH1
ITH2
S2
S4
OUTA2
OUTB2
: C4532x7R1H685K
: SANYO 63CE220KX
INTV
: TDK C4532X5R1E226M
: SANYO 50CE220AX
C1
0.1μF
C4
0.1μF
C2
0.1μF
CC
R
R
S1
S3
, 53.6k, 1%
42.2k, 1%
SENSE1
SENSE1
VFB1
ITH1
SS1
PLLIN/MODE
SGND
EXTV
RUN1
RUN2
FREQ
SS2
ITH2
VFB2
SENSE2
SENSE2
CC
LTC3788-1
–
+
+
–
PGOOD1
BOOST1
BOOST2
INTV
VBIAS
MBOT1, MTOP1: RENESAS RJK0305
MBOT2A, MBOT2B, MTOP2: RENESAS RJK0652
D3: DIODES INC B340B
D4: DIODES INC B360A
PGND
SW1
SW2
TG1
BG1
BG2
TG2
CC
100k
C
C
B1
B1
D1
D2
, 0.1μF
, 0.1μF
INTV
C
4.7μF
INT
CC
MBOT2A
MTOP1
MBOT1
MTOP2
D3
D4
MBOT2B
10.2μH
16μH
L1
L2
37881 F10
C
6.8μF
C
22μF
C
22μF
OUTA1
INA
OUTA2
4
4
4
+
+
+
C
220μF
C
220μF
C
220μF
OUTB1
INB
OUTB2
V
24V, 4A
V
5V TO 24V
V
48V, 2A
OUT1
IN
OUT
37881f