LTC3736 LINER [Linear Technology], LTC3736 Datasheet - Page 26

• Manufacturer Part Number: LTC3736
• Description: Dual 2-Phase, No RSENSE Synchronous Controller with Output Tracking
• Manufacturer: LINER [Linear Technology]

LTC3736
TYPICAL APPLICATIO S
26
10 F
V
5V
C
IN
IN
2
2-Phase, 550kHz, Dual Output Synchronous DC/DC Converter with Different Power Stage Input Supplies
V
10 F
2-Phase, 550kHz, Dual Output Synchronous DC/DC Converter with DDR Memory Termination Supply
IN1
5V
C
IN
2
C
100pF
220pF
10nF
C
C
1 F
C
ITH1A
R
R
ITH1
VIN
SS
59k
59k
FB1A
FB2A
R
C
220pF
100pF
C
VIN
ITH2B
R
ITH2
15k
ITH1
C
100pF
220pF
10nF
10
C
C
C
1 F
ITH1A
R
R
VIN
ITH1
SS
59k
59k
FB1A
FB2A
R
187k
FB1B
R
R
R
C
15k
220pF
100pF
ITH2
C
TRACKA
165
VIN
ITH2B
59k
R
ITH2
15k
ITH1
U
10
R
187k
FB1B
R
R
22
23
24
15k
R
ITH2
TRACKA
1
2
3
4
5
9
7
8
6
118k
FB2B
59k
SW1
IPRG1
V
I
IPRG2
PLLLPF
SGND
V
PGOOD
V
I
TRACK
TH1
TH2
FB1
IN
FB2
LTC3736EUF
R
TRACKB
118k
22
23
24
R
PGND
118k
1
2
3
4
5
9
7
8
6
FB2B
SYNC/FCB
SENSE1
SENSE2
25
SW1
IPRG1
V
I
IPRG2
PLLLPF
SGND
V
PGOOD
V
I
TRACK
RUN/SS
TH1
TH2
FB1
IN
FB2
PGND
PGND
PGND
LTC3736EUF
R
SW2
BG1
BG2
TG1
TG2
TRACKB
118k
PGND
+
+
SYNC/FCB
SENSE1
SENSE2
21
20
19
18
17
16
15
14
13
12
11
10
25
RUN/SS
PGND
PGND
PGND
SW2
BG1
TG1
TG2
BG2
+
+
21
20
19
18
17
16
15
14
13
12
11
10
5
MP1
MP2
1 F
V
3.3V
IN2
3.3V
MP1
MP2
V
V
IN1
IN2
MN1
Si7540DP
MN2
Si7540DP
C
L1, L2: VISHAY IHLP-2525CT01
OUT1
V
2.5V
IN2
, C
MN1
Si7540DP
MN2
Si7540DP
OUT2
1.5 H
1.5 H
C
L1, L2: VISHAY IHLP-2525CZ-01
: SANYO 4TPB150MC
OUT1
L1
L2
, C
+
1.5 H
1.5 H
OUT2
L1
L2
+
C
150 F
3736 TA04
: SANYO 4TPB150MC
C
150 F
OUT2
OUT1
+
+
V
2.5V
5A
C
150 F
3736 TA03
C
150 F
OUT1
OUT2
OUT1
V
1.25V DDR
TERMINATION
OUT2
2A (SINK/SOURCE)
V
2.5V
5A
V
1.8V
4A
OUT1
OUT2
3736f