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LTC1735 Datasheet(PDF) 29 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) 29 Page - Linear Technology

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LTC3728L-1
29
3728l1fc
TYPICAL APPLICATIONS
Figure 12. LTC3728L-1 High Efficiency Low Noise 5V/3A, 3.3V/5A, 12V/120mA Regulator
0.1μF
0.1μF
4.7μF
22μF
50V
D1
MBRS1100T3
D2
Q1
Q2
Q3
Q4
1μF
10V
CMDSH-3TR
CMDSH-3TR
0.1μF
10Ω
0.01Ω
0.015Ω
3.3V
0.1μF
20k
1%
105k, 1%
33pF
15k
33pF
15k
1000pF
1000pF
1000pF
1000pF
0.1μF
20k
1%
63.4k
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
T1, 1:1.8
10μH
L1
6.3μH
150μF, 6.3V
PANASONIC SP
1μF
25V
180μF, 4V
PANASONIC SP
GND
ON/OFF
8
5
1
2
3
VOUT2
3.3V
5A; 6A PEAK
VOUT3
12V
120mA
33μF
25V
VOUT1
5V
3A; 4A PEAK
VIN
7V TO
28V
3728L1 F12
VIN: 7V TO 28V
VOUT: 5V, 3A/3.3V, 6A/12V, 150mA
SWITCHING FREQUENCY = 250kHz
MI, M2: FDS6982S OR VISHAY Si4810DY
L1: SUMIDA CEP123-6R3MC
T1: 10μH 1:1.8 — DALE LPE6562-A262 GAPPED E-CORE OR BH ELECTRONICS #501-0657 GAPPED TOROID
LT1121
+
+
220k
100k
1M
PGOOD
100k
VPULL-UP
(<7V)
59k
180pF
180pF
M1
M2



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