LTC3890EGN-1 LINER [Linear Technology], LTC3890EGN-1 Datasheet - Page 33
LTC3890EGN-1
Manufacturer Part Number
LTC3890EGN-1
Description
60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC3890EGN-1.pdf
(36 pages)
- Current page: 33 of 36
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TYPICAL APPLICATIONS
6.98k
C
C
R
ITH1
ITH2
A1
18.7k
R
41.2k
R
FREQ
A2
470pF
470pF
C
C
C
SS2
ITH1A
SS1
0.01μF
0.01μF
100pF
100k
100k
R
R
R
34.8k
R
B2
20k
B1
ITH1
ITH2
MTOP1, MTOP2, MBOT1, MBOT2: RJK0651DPB
L1: COILCRAFT SER1360-802KL
L2: COILCRAFT SER1360-472KL
C
C
D1, D2: DFLS1100
OUT1
OUT2
High Effi ciency Dual 12V/5V Step-Down Converter
: 16SVP180MX
: SANYO 6TPE470M
C1
1nF
C2
1nF
SENSE1
SENSE1
V
ITH1
TRACK/SS1
PLLIN/MODE
SGND
EXTV
RUN1
RUN2
FREQ
TRACK/SS2
ITH2
V
SENSE2
SENSE2
FB1
FB2
CC
LTC3890-1
+
–
–
+
PGOOD1
BOOST1
BOOST2
INTV
PGND
SW1
SW2
BG1
BG2
TG1
TG2
V
CC
IN
100k
C
B2
0.47μF
D1
D2
C
0.47μF
B1
INTV
C
4.7μF
CC
INT
MBOT1
MTOP1
MTOP2
MBOT2
4.7μH
8μH
L1
L2
R
R
C
180μF
10mΩ
SENSE1
9mΩ
SENSE2
C
220μF
OUT1
IN
38901 TA04
V
12V
3A
V
12.5V TO 60V
OUT1
IN
C
470μF
V
5V
5A
LTC3890-1
OUT2
OUT2
33
38901f
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