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| LTC3890-2 Datasheet, PDF (38/40 Pages) Linear Technology – 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller | |||
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LTC3890-2
TYPICAL APPLICATIONS
High Efficiency 12V at 25A Dual-Phase Step-Down Converter
RB1
499k
10pF
RA1
35.7k
CITH1A 100pF
CITH1
4.7nF
RITH1
9.76k
CSS1
0.1μF
RFREQ
30.1k
VIN
RRUN1
1000k
RRUN2
57.6k
VOUT
SENSE1+
C1
1nF
SENSE1â
PGOOD1
VFB1
PGOOD2
BG1
SW1
ITH1
BOOST1
LTC3890-2
TRACK/SS1
TG1
ILIM
PHASMD
CLKOUT
PLLIN/MODE
SGND
FREQ
VIN
INTVCC
PGND
RUN1
RUN2
TRACK/SS2
TG2
BOOST2
SW2
ITH2
EXTVCC
BG2
VFB2
SENSE2â
C2
1nF
SENSE2+
INTVCC
100k
CB1
0.1μF
D1
CINT
4.7μF
D2
CB2 0.1μF
MBOT1 L1
10μH
RSENSE1
3mΩ
MTOP1
+ CIN
100μF
VIN
16V TO 60V
2.2μF
x2
MTOP2
L2
10μH
RSENSE2
3mΩ
MBOT2
MTOP1, MTOP2, MBOT1, MBOT2: RJK0651DPB
L1, L2: WÃRTH 7443631000
COUT1, COUT2: SANYO 16SVPC150M
CIN: SUN ELECT. 63CE100BS
D1, D2: DFLS1100
38902 TA07
VOUT
12V
25A
COUT
150μF
Ã2
38902f
38
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