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| LTC3851-1_15 Datasheet, PDF (26/28 Pages) Linear Technology – Synchronous Step-Down Switching Regulator Controller | |||
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LTC3851-1
TYPICAL APPLICATIONS
1.5V/15A Synchronized at 350kHz
PLLIN
C2
350kHz
0.01μF R5
10k
C1
1000pF
CSS
0.1μF
RC
CC
1000pF
7.5k
CC2
100pF
MODE/PLLIN VIN
FREQ/PLLFLTR TG
RUN
BOOST
LTC3851-1
TK/SS
SW
ITH
INTVCC
VFB
BG
VIN
6V TO 14V
CB
0.1μF
+
M1
RJK0305DPB
CIN
180μF
DB
CMDSH-3
L1
0.68μH
RSENSE
0.002Ω
4.7μF
M2
RJK0301DPB
1000pF
SENSEâ
SENSE+
GND
PGOOD
RPG
VPULL-UP
R22 10Ω
R20 10Ω
VOUT
1.5V
C10
33pF
R2
43.2k
1%
+
15A
COUT
330μF
R1
s2
20k
1%
COUT: SANYO 2R5TPE330M9
L1: SUMIDA CEP125-OR6MC
38511 TA03
38511fa
26
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