LTC3855_15 Datasheet, PDF (41/44 Pages) Linear Technology – Dual, Multiphase Synchronous DC/DC Controller with Differential Remote Sense

Typical Applications
LTC3855
0.1µF
383k
10k ^5.6nF
20k
47pF
47pF
20k
4.99k _5.6nF
0.1µF
0.1µF
147k
L1: WURTH 7443551131
L2: WURTH 7443551370
C_OUT1, C_OUT2: SANYO 16SVPC39MV
0.1µF
TK/SS1
I_TH1
V_FB1
SGND
V_FB2
I_TH2
TK/SS2
SENSE2⁺
SENSE2^–
DIFFP
LTC3855
TG1
BOOST1
PGND1
BG1
V_IN
INTV_CC
EXTV_CC
BG2
PGND2
BOOST2
0.1µF
CMDSH-3
2.2Ω
4.7µF
0.1µF
0.1µF ^CMDSH-3
100k
PGOOD1
PGOOD2
100k
4.7µF
s6
M1
BSC093N040LS
24k
18k
L1
13µH
M2
BSC093N040LS
V_IN
+
13V TO
100µF _38V
50V
+
C_OUT1
39µF
V_OUT1
12V
6A
16V
s2
M3
BSC093N040LS
L2
3.7µH
M4
BSC093N040LS
8.2k
24k
V_OUT2
+
C_OUT2
39µF
5V
10A
16V
s2
3855 F25
Figure 25. 12V, 6A and 5V, 10A Supply with DCR Sensing, f_SW = 250kHz
3855f
41