LTC3788 Linear Technology, LTC3788 Datasheet - Page 29

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

www.DataSheet4U.com
TYPICAL APPLICATIONS
C
C
L1: PULSE PA1494.362NL
L2: PULSE PA1294.132NL
MBOT1, MBOT2, MTOP1, MTOP2: RENESAS HAT2169H
INA
INB
12.1k
C
12.1k
R
C
R
, C
, C
ITH2
ITH1
A1
A2
OUTA1
OUTB1
, 15nF
, 15nF
C
C
R
232k
C
C
ITHA2
R
110k
, C
ITH1
, C
SS1
B1
SS2
B2
OUTA2
OUTB2
, 220pF
, 0.1μF
, 0.1μF
, 100pF
: SANYO, 50CE220AX
: TDK C4532X5R1E226M
R
R
8.66k
2.7k
ITH2
ITH1
Figure 9. High Effi ciency Dual 12V/24V Boost Converter
SENSE1
SENSE1
VFB1
ITH1
SS1
ILIM
PHSMD
CLKOUT
PLLIN/MODE
SGND
EXTV
RUN1
RUN2
FREQ
SS2
ITH2
VFB2
SENSE2
SENSE2
CC
LTC3788
–
+
+
–
PGOOD2
PGOOD1
BOOST1
BOOST2
INTV
VBIAS
PGND
SW1
SW2
BG1
TG1
BG2
TG2
CC
100k
100k
C
C
B1
B1
D1
D2
, 0.1μF
, 0.1μF
INTV
CC
C
4.7μF
INT
MTOP1
MBOT1
MBOT2
MTOP2
1.25μH
3.3μH
L1
L2
R
R
SENSE1
SENSE2
4mΩ
3mΩ
3788 F09
C
22μF
C
22μF
C
22μF
OUTA1
INA
OUTA2
4
4
4
LTC3788
+
+
+
C
220μF
C
220μF
C
220μF
V
24V, 5A
OUTB1
V
5V TO 24V
INB
V
12V, 10A
OUTB2
OUT1
IN
OUT
29
3788f