LTC3855 LINER [Linear Technology], LTC3855 Datasheet - Page 47

• Manufacturer Part Number: LTC3855
• Description: Dual, Fast, Accurate Step-Down DC/DC Controller
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
V
OUT1
6V TO 26V
1.2V
12A
V
IN
C
100μF
2
OUT1
+
+
C
220μF
Figure 17. 6V to 26V Input, 1.2V/15A and 1.5V/15A Dual Output, 350kHz, R
IN1
C
330μF
0.002Ω
OUT2
2
R
S1
0.47μH
C
10μF
3
IN2
L1
MB1
MT1
60.4k
100k
100Ω
100Ω
10k
2.2Ω
2.2Ω
0.1μF
39.2k
1μF
10k
22pF
DB1
1μF
1nF
220pF
PGOOD1
0.01μF
10k
115k
4.7μF
V
SENSE1
SENSE1
BOOST1
TG1
SW1
DRV
INTV
BG1
PGND
V
V
PGOOD1
TRACK/SS1
ITH1
DTR1
V
RT
SGND
RUN1
IN
OUTSENSE1
OUTSENSE1
RNG1
CC1
CC
–
+
LTC3838
MODE/PLLIN
+
–
TRACK/SS2
SENSE2
SENSE2
PHASMD
PGOOD2
CLKOUT
BOOST2
DRV
EXTV
V
RUN2
DTR2
RNG2
ITH2
SW2
V
TG2
BG2
CC2
FB2
CC
–
+
PGOOD2
0.01μF
220pF
0.1μF
22pF
1nF
DB2
100k
39.2k
100Ω
100Ω
SENSE
10k
10k
3838 F17
15k
MT2
MB2
60.4k
, Step-Down Converter
0.47μH
C
C
C
C
DB1, DB2: CENTRAL SEMI CMDSH-4ETR
L1, L2: WÜRTH 7443330047
MT1, MT2: RENESAS RJK0305DPB
MB1, MB2: RENESAS RJK0330DPB
L2
IN1
IN2
OUT1
OUT2
: PANASONIC EEEFK1V221P
: TAIYO YUDEN GMK325BJ106MN-T
, C
, C
0.002Ω
C
330μF
OUT4
OUT3
R
OUT3
S2
2
: MURATA GRM31CR60J107ME39L
: SANYO 2R5TPE330M9
+
LTC3838
C
100μF
OUT4
2
47
V
1.5V
12A
OUT2
3838fa