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LTC3891 Datasheet(PDF) 38 Page - Linear Technology

Part # LTC3891
Description  60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
PDF  40 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3891 Datasheet(HTML) 38 Page - Linear Technology

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LTC3890-2
38
38902f
TYPICAL APPLICATIONS
High Efficiency 12V at 25A Dual-Phase Step-Down Converter
MTOP2
SENSE1+
SENSE1–
VFB1
TRACK/SS2
ITH2
VFB2
SENSE2–
SENSE2+
ITH1
TRACK/SS1
ILIM
PHASMD
CLKOUT
PLLIN/MODE
SGND
FREQ
RUN1
RUN2
PGOOD2
BG1
CITH1A 100pF
CITH1
4.7nF
CSS1
0.1μF
C1
1nF
COUT
150μF
×2
RB1
499k
RA1
35.7k
10pF
RITH1
9.76k
RFREQ
30.1k
VIN
VOUT
MTOP1, MTOP2, MBOT1, MBOT2: RJK0651DPB
L1, L2: WÜRTH 7443631000
COUT1, COUT2: SANYO 16SVPC150M
CIN: SUN ELECT. 63CE100BS
D1, D2: DFLS1100
D1
D2
LTC3890-2
L1
10μH
L2
10μH
MBOT1
TG1
MTOP1
VOUT
12V
25A
38902 TA07
INTVCC
PGOOD1
100k
CB1
0.1μF
C2
1nF
SW1
SW2
BOOST1
CB2 0.1μF
BOOST2
VIN
INTVCC
PGND
TG2
BG2
CINT
4.7μF
MBOT2
RSENSE1
3mΩ
RSENSE2
3mΩ
EXTVCC
RRUN1
1000k
RRUN2
57.6k
VIN
16V TO 60V
CIN
100μF
2.2μF
x2
+



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