Datasheet

LTC3833
33
3833f
TYPICAL APPLICATIONS
3.3V, 15A, 200kHz High Power Step-Down Converter
Efficiency
V
IN
V
OUT
PGOOD
V
RNG
RUN
SENSE
–
SENSE
+
R
PGD
100k
INTV
CC
R
ITH
18.2k
R
T
205k
R
DCR1
3.92k
R
VIN
2.2Ω
LTC3833
R
FB2
90.9k
R
FB1
20k
C
OUT1
220µF
4V
×2
MT
MB
C
OUT2
100µF
×2
L1
2µH
TG
SW
D
B
C
SS
0.1µF
C
ITH1
680pF
C
ITH2
47pF
3833 TA06
V
IN
4.5V TO 24V
V
OUT
3.3V
15A
C
DCR
0.22µF
R
DCR2
17.4k
C
B
0.1µF
C
VCC
4.7µF
C
IN1
: SUNCON 35HVP100M
C
OUT1
: SANYO 4TPE220MFC2
D
B
: CENTRAL CMDSH-3
L1: WURTH 7443551200
MB: RENESAS RJK0330DPB
MT: RENESAS RJK0305DPB
TRACK/SS
ITH
RT
MODE/PLLIN
EXTV
CC
SGND
BOOST
INTV
CC
INTV
CC
BG
PGND
V
OSNS
+
V
OSNS
–
C
IN2
10µF
×5
C
VIN
0.1µF
C
IN1
100µF
35V
+
+
LOAD CURRENT (A)
0.1
40
EFFICIENCY (%)
80
90
100
1 10 100
3833 F10b
70
60
50
V
IN
= 12V
V
OUT
= 3.3V
FORCED
CONTINUOUS
MODE
PULSE-SKIPPING
MODE