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LTC1735 Datasheet(PDF) 30 Page - Linear Technology

Part # LTC1735
Description  Dual, 550kHz, 2-Phase Synchronous Regulator
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1735 Datasheet(HTML) 30 Page - Linear Technology

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LTC3728L-1
30
3728l1fc
TYPICAL APPLICATIONS
Figure 13. LTC3728L-1 5V/4A, 3.3V/5A Regulator with External Frequency Synchronization
0.1μF
4.7μF, 10V
22μF
50V
M1
PIN 4
PIN 4
Q1
Q2
Q3
Q4
M2
1μF
0.1μF
10Ω
0.008Ω
0.008Ω
1μF 50V
fSYNC
3.3V
0.1μF
10k
105k
1%
100pF
8.06k
100pF
4.75k
1000pF
1500pF
0.01μF
1000pF
1000pF
1000pF
0.1μF
20k
1%
63.4k
1%
20k
1%
RUN/SS1
SENSE1+
SENSE1–
VOSENSE1
PLLFLTR
PLLIN
FCB
ITH1
SGND
3.3VOUT
ITH2
VOSENSE2
SENSE2–
SENSE2+
PGOOD
TG1
SW1
BOOST1
VIN
BG1
EXTVCC
INTVCC
PGND
BG2
BOOST2
SW2
TG2
RUN/SS2
LTC3728L-1
L1
4.3μH
L2
4.3μH
150μF, 6.3V
180μF, 4V
GND
VOUT2
3.3V/5A
VOUT1
5V/4A
VIN
7V TO
28V
3728L1 F13
VIN: 7V TO 28V
VOUT: 5V, 4A/3.3V, 5A
SWITCHING FREQUENCY = 250kHz TO 550kHz
M1, M2: FDS6982S OR VISHAY Si4810DY
L1, L2: SUMIDA CDEP105-4R3MC-88
OUTPUT CAPACITORS: PANASONIC SP SERIES
180pF
180pF
0.1μF
CMDSH-3TR
CMDSH-3TR
PGOOD
VPULL-UP
(<7V)
1μF 50V



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