LTC3708 LINER [Linear Technology], LTC3708 Datasheet - Page 27

• Manufacturer Part Number: LTC3708
• Description: Fast 2-Phase, No RSENSE Buck Controller with Output Tracking
• Manufacturer: LINER [Linear Technology]

APPLICATIONS INFORMATION
V
OUT1
2.5V
15A
C
330μF
OUT1
4V
2
+
12.1k
6.04k
1%
1%
C
C
C
OUT1
OUT2
IN
: TAIYO YUDEN: TMK325BJ106KM
V
19.1k
1%
6.04k
1%
: SANYO POSCAP 4TPD330M
: SANYO POSCAP 2R5TPD470M
IN
1000pF
Figure 17. High Effi ciency, Dual Output Power Supply with External Frequency Synchronization
R
1.5M
ON1
1.43μH
56pF
L1
470pF
15k
B340LA
0.01μF
150pF
3.32k
M1
M3
DB1, DB2: CMDSH-3
L1: PANASONIC ETQP3H1R4BF
L2: PANASONIC ETQP2H1R2BF
0.1μF
D
0.1μF
C
B1
B1
C
470pF
SS
10Ω
SGND
TG1
BOOST1
SW1
SENSE1
BG1
SENSE1
PGND1
V
TRACK2
I
I
INTLPF
RUN/SS
V
ON1
TH1
FB1
CC
1μF
+
–
LTC3708
DRV
V
RNG1
5V
+
CC
4.7μF
M1, M2: RENESAS HAT2168H
M3, M4: RENESAS HAT2165H
SENSE2
SENSE2
BOOST2
TRACK1
EXTLPF
PGOOD
PGND2
V
RNG2
SW2
V
I
TG2
BG2
I
FCB
ON2
TH2
FB2
100k
24.9k
+
–
130k
f
IN
5V
D
C
0.1μF
B2
B2
0.047μF
1000pF
M2
M4
FREQ = 220kHz
475Ω
C
10μF
25V
B340LA
IN
6
470pF
150pF
V
7V TO 24V
IN
1.22μH
15k
L2
R
1.1M
ON2
1000pF
12.1k
3708 F17
LTC3708
1%
V
IN
6.04k
1%
+
C
470μF
2.5V
OUT2
2
27
3708fb
V
1.8V
15A
OUT2