Datasheet

22
LTC3778
3778f
Intel Compatible Tualatin Mobile CPU Power Supply with AVP
C2, 0.01µF
C1, 0.01µF
C18, 1000pF
C9, 220pF
C8, 0.1µF
C11, 220pF
R8
1k
R10
3.2k
R13
10k
R15
20k
R41
0
R7
1Ω
R23
1Ω
R17
24.9k, 1%
R18
221k, 1%
R19
330k
V
OUT
V
IN
V
IN
V
IN
1
2
3
4
5
6
7
8
9
10
R1
100k
R3
OPT
Q2
2N7002
Q1
2N7002
R2
100k
V
RON
11
2
2
1
2
3
1
2
3
1
2
3
1
2
3
C10
0.22µF
C41, 1µF C42, 1µF
R16
0
20
19
18
17
16
15
14
13
12
11
D1
CMDSH-3
SGND
PGND
C7
1µF
6.3V
0603
R4
2k
R14
10k
R5
100Ω
R6
1k
Q6
MMBT3904-7
Q3
MMMT3906-7
3.3V
3.3V
3.3V
PWRGOOD
RUN/SS
V
ON
PGOOD
V
RNG
I
TH
FCB
SGND
I
ON
V
FB
EXTV
CC
BOOST
TG
SW
SENSE
+
SENSE
–
PGND
BG
DRV
CC
INTV
CC
V
IN
LTC3778E
1
2
3
R21
0.003Ω
+
CIN
10µF
35V
×4
V
IN
7.5V
TO 24V
L1
0.68µH
SUMIDA
CEP125-4712F011
5V
R37
100k
R38
1M
R39
1M
R33
100k
R28
100k
R9
221k
1%
DPSLP#
1
2
Q14
2N7002
Q12
2N7002
Q13
2N7002
Q15
2N7002
Q17
2N7002
Q19*
2N7002
Q20*
2N7002
DPRSLPVR
GMUXSEL
V
CORE
R49*
178k
1%
R31
10k
1%
R11
9.76k
1%
R34
33.2k
1%
R30
11.8k
1%
C21
1µF
C19
4.7µF
16V
D2
UPS840
INTV
CC
1
2
3
1
2
3
1
2
3
1
1
1
2
2
2
3
3
3
1
2
3
+
COUT
270µF
2V, SP
×4
V
CORE
1.35V/1.15V/0.85V
23A
3778 F12
R29
12.1k
*OPTIONAL
QT
IRF7811A
×2
QB
IRF7811A
×3
TYPICAL APPLICATIO S
U