參數(shù)資料
型號: LTC3776
廠商: Linear Technology Corporation
英文描述: 16-Bit Buffer/Driver With 3-State Outputs 48-TVSOP -40 to 85
中文描述: 雙2相,無檢測電阻同步控制器用于DDR / QDR存儲器終端
文件頁數(shù): 24/28頁
文件大?。?/td> 429K
代理商: LTC3776
24
LTC3776
3776f
TYPICAL APPLICATIO S
Figure 15. 2-Phase, 750kHz, DDR Memory Supplies with Ceramic Output Capacitors
SGND
PLLLPF
IPRG2
IPRG1
V
FB1
I
TH1
SW1
R
VIN
10
R
6.2k
C
2.2nF
C
10nF
C
IN
22
μ
F
C
VIN
1
μ
F
V
IN
3.3V
V
IN
C
330pF
R
22k
C
1000pF
C
100pF
R
187k
R
59k
PGOOD
V
FB2
I
TH2
V
REF
PGND
TG2
LTC3776EUF
PGND
TG1
SYNC/SSEN
BG1
PGND
22
23
24
21
20
19
18
17
16
15
14
13
12
11
10
25
1
2
3
4
5
9
7
8
6
SENSE1
+
MP1
FDC638P
MP2
FDC638P
L1
2.2
μ
H
L2
2.2
μ
H
MN1
FDC637N
MN2
FDC637N
RUN/SS
BG2
PGND
SW2
SENSE2
+
C
OUT2
47
μ
F
C
OUT1
47
μ
F
V
2.5V
2A
V
1.25V
±
2A
3776 F15
L1, L2: VISHAY IHLP-2525CZ-01
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