ltc3890 Linear Technology Corporation, ltc3890 Datasheet - Page 32

• Manufacturer Part Number: ltc3890
• Description: 60v Low Iq, Dual, 2-phase Synchronous Step-down Dc/dc Controller
• Manufacturer: Linear Technology Corporation

LTC3890
TYPICAL APPLICATIONS
32
470pF
C
10.5k
R
ITH1
V
INTV
A1
IN
C
R
ITH1A
FREQ
R
CC
ITH1
1000k
R
C
C
100pF
RUN
ITH2
SS1
100pF
41.2k
R
34.8k
100k
MODE
0.01μF
V
OUT
100k
R
B1
MTOP1, MTOP2, MBOT1, MBOT2: RJK0651DPB
L1, L2: COILCRAFT SER1360-802KL
C
D1, D2: DFLS1100
OUT1
High Effi ciency 8.5V Dual-Phase Step-Down Converter
, C
OUT2
C1
1nF
C2
1nF
: SANYO 10TPE330M
SENSE1
SENSE1
V
ITH1
TRACK/SS1
I
PHSMD
CLKOUT
PLLIN/MODE
EXTV
RUN1
RUN2
FREQ
TRACK/SS2
ITH2
V
SENSE2
SENSE2
SGND
LIM
FB1
FB2
CC
LTC3890
+
–
–
+
PGOOD1
PGOOD2
BOOST1
BOOST2
INTV
PGND
SW1
SW2
BG1
TG1
BG2
TG2
V
CC
IN
C
100k
B2
D1
D2
0.1μF
C
B1
0.1μF
INTV
C
4.7μF
CC
INT
MTOP1
MTOP2
MBOT2
MBOT1
8μH
8μH
L2
L1
C
220μF
IN
R
R
10mΩ
10mΩ
SENSE1
SENSE2
V
9V TO 60V
IN
3890 TA03
C
330μF
OUT2
C
330μF
OUT1
V
8.5V
6A
OUT1
3890f