Datasheet

LTC3613
32
3613fa
TYPICAL APPLICATIONS
V
IN
V
OUT
PGOOD
RUN
V
RNG
SENSE
–
SENSE
+
R
PGD
100k
INTV
CC
R
ITH
10k
R
T
115k
LTC3613
R
FB2
20k
R
FB1
20k
C
OUT1
330µF
2.5V
×4
C
OUT2
100µF
×2
V
OUT
1.2V
30A
0.47µH
0.47µH
2m
2m
SW
D
B
C
SS
0.1µF
R
DIV1
56.2k
R
DIV2
10k
C
ITH1
330pF
C
ITH2
47pF
3613 TA12
V
IN
6V TO 24V
C
DCR
0.1µF
C
B
0.1µF
C
VCC
4.7µF
TRACK/SS
ITH
RT
MODE/PLLIN
EXTV
CC
SGND
BOOST
INTV
CC
INTV
CC
PGND
V
OSNS
+
V
OSNS
–
C
IN2
10µF
C
IN1
82µF
25V
+
+
350kHz
V
IN
V
OUT
PGOOD
RUN
V
RNG
SENSE
–
SENSE
+
R
T
115k
LTC3613
C
OUT2
100µF
×2
SW
D
B
47pF
(θ
1
→ θ
2
= 180° OUT OF PHASE)
C
DCR
0.1µF
C
B
0.1µF
C
VCC
4.7µF
C
IN1
: SANYO 25SVPD82M
C
OUT1
: SANYO 2R5TPE330M9
D
B
: CENTRAL CMDSH-3
L1: COILTRONICS FP1109-R47
TRACK/SS
ITH
RT
MODE/PLLIN
EXTV
CC
SGND
BOOST
INTV
CC
INTV
CC
PGND
V
OSNS
+
V
OSNS
–
C
IN2
10µF
C
IN1
82µF
25V
+
350kHz
Figure 13. 2 Phase, 1.2V, 30A, 350kHz Step-Down Converter