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LTC3776EUF#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
22
LTC3776
3776fa
R
L1
L1
MP1
V
OUT1
C
OUT1
MN1
MN2
+
V
IN
C
IN
R
IN
+
R
L2
BOLD LINES INDICATE
HIGH, SWITCHING
CURRENT LINES.
KEEP LINES TO A
MINIMUM LENGTH
L2
MP2
3776 F13
V
OUT2
C
OUT2
+
APPLICATIO S I FOR ATIO
WUUU
Figure 13. Branch Current Waveforms
23
LTC3776
3776fa
TYPICAL APPLICATIO S
U
Figure 14. 2-Phase, 550kHz, DDR Memory Supplies
SGND
PLLLPF
IPRG2
IPRG1
V
FB1
I
TH1
SW1
R
VIN
10Ω
R
ITH2
6.2k
C
ITH2
2.2nF
C
SS
10nF
C
IN
10μF
×2
C
VIN
1μF
V
IN
5V
V
IN
C
ITH2B
330pF
R
ITH1
22k
C
ITH1
1000pF
C
ITH1A
100pF
R
FB1B
187k
R
FB1A
59k
PGOOD
V
FB2
V
REF
25
I
TH2
TG2
LTC3776EUF
PGND
TG1
SYNC/SSEN
BG1
PGND
22
21
20
19
18
17
16
15
14
13
12
11
10
23
24
1
2
3
4
5
9
8
7
6
SENSE1
+
MP1
MP2
L1
1.5μH
L2
1.5μH
MN1
Si7540DP
MN2
Si7540DP
RUN/SS
BG2
PGND
PGND
SW2
SENSE2
+
C
OUT2
100μF
C
OUT1
100μF
V
DDQ
2.5V
5A
V
TT
1.25V
±5A
3776 F14
24
LTC3776
3776fa
TYPICAL APPLICATIO S
U
Figure 15. 2-Phase, 750kHz, DDR Memory Supplies with Ceramic Output Capacitors
SGND
PLLLPF
IPRG2
IPRG1
V
FB1
I
TH1
SW1
R
VIN
10Ω
R
ITH2
6.2k
C
ITH2
2.2nF
C
SS
10nF
C
IN
22μF
C
VIN
1μF
V
IN
3.3V
V
IN
C
ITH2A
330pF
R
ITH1
22k
C
ITH1
1000pF
C
ITH1A
100pF
R
FB1B
187k
R
FB1A
59k
PGOOD
V
FB2
V
REF
PGND
I
TH2
TG2
LTC3776EUF
PGND
TG1
SYNC/SSEN
BG1
PGND
22
21
20
19
18
17
16
15
14
13
12
11
10
25
23
24
1
2
3
4
5
9
8
7
6
SENSE1
+
MP1
FDC638P
MP2
FDC638P
L1
2.2μH
L2
2.2μH
MN1
FDC637N
MN2
FDC637N
RUN/SS
BG2
PGND
SW2
SENSE2
+
C
OUT2
47μF
C
OUT1
47μF
V
DDQ
2.5V
2A
V
TT
1.25V
±2A
3776 F15
L1, L2: VISHAY IHLP-2525CZ-01
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28

LTC3776EUF#TRPBF

Mfr. #:
Buy LTC3776EUF#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 2x 2-Phase, No RSENSE Sync Cntr for DDR/
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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