Datasheet

LTC3833
32
3833f
TYPICAL APPLICATIONS
Area Compact 2.5V, 5A, 1.2MHz Step-Down Converter
V
IN
V
OUT
EXTV
CC
PGOOD
RUN
SENSE
–
SENSE
+
R
PGD
100k
INTV
CC
R
ITH
20k
R
T
33.2k
C
SS
0.01µF
C
ITH1
220pF
R
DCR
1.1k
LTC3833
C
OUT1
100µF
L1
1µH
R
FB2
31.6k
R
FB1
10k
TG
C
B
0.1µF
V
OUT
2.5V
5A
3833 TA04
V
IN
6V TO 28V
C
IN2
10µF
C
IN1
47µF
35V
C
DCR
0.1µF
C
VCC
4.7µF
D
B
TRACK/SS
ITH
RT
MODE/PLLIN
V
RNG
SGND
BOOST
SW
INTV
CC
INTV
CC
BG
PGND
V
OSNS
+
V
OSNS
–
R
VIN
2.2Ω
C
VIN
0.1µF
MT
MB
C
IN1
: KEMET T521X476M035ATE070
D
B
: DIODES INC. SDM10K45
L1: VISHAY IHLP2525CZ-1µH
MT, MB: VISHAY/SILICONIX Si4816BDY
+
Efficiency
LOAD CURRENT (A)
20
50
40
30
90
80
70
60
3833 TA04b
EFFICIENCY (%)
0.1
10
1
V
IN
= 12V
V
OUT
= 2.5V
PULSE-
SKIPPING
MODE
FORCED
CONTINUOUS
MODE