LTC1628CG-SYNC View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1628CG-SYNC' PDF : 32 Pages View PDF
LTC1628-SYNC
TYPICAL APPLICATIO S
0.1µF
27pF
105k
1000pF
20k
1%
1%
0.01µF
10k
1000pF
33pF
fSYNC
15k 220pF
33pF
3.3V
15k 220pF
20k
1%
63.4k
27pF
1%
1000pF
1
RUN/SS1
28
PGOOD
2 SENSE1+
27
TG1
3 SENSE1–
26
SW1
4
VOSENSE1
5
PLLFLTR
6
PLLIN
25
BOOST1
24
VIN
23
BG1
7
FCB
22
EXTVCC
8
LTC1628-SYNC
21
ITH1
INTVCC
9
SGND
20
PGND
10
3.3VOUT
11
ITH2
12
VOSENSE2
13 SENSE2–
19
BG2
18
BOOST2
17
SW2
16
TG2
14 SENSE2+
15
RUN/SS2
VPULL-UP
(<7V)
PGOOD
L1
8µH
0.015Ω
0.1µF
M1A
M1B
CMDSH-3TR
10Ω
0.1µF
1µF
10V
4.7µF
CMDSH-3TR
22µF
50V
0.1µF
M2A
M2B
D1
MBRM
140T3
47µF
6.3V
56µF, 4V
D2
MBRM
140T3
L2
0.015Ω
8µH
VOUT1
5V
3A; 4A PEAK
GND
VIN
5.2V TO
28V
VOUT2
3.3V
3A; 4A PEAK
0.1µF
VIN: 5.2V TO 28V
VOUT: 5V, 4A/3.3V, 4A
SWITCHING FREQUENCY = 300kHz
MI, M2: FDS8936A
L1, L2: 8µH SUMIDA CEP1238R0MC
OUTPUT CAPACITORS: PANASONIC SP SERIES
1628 F13
Figure 13. LTC1628-SYNC 5V/4A, 3.3V/4A Regulator with External Frequency Synchronization
30
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