User Guide

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41167*******
01
3V & 2.5 V(LTC3728L)
C
27 28 Wednesday, June 11, 2003
Tit le
Siz e
Document
Number
Rev
Date: Sheet of
BG1
BG2
SENSE1-
INTVCC
SENSE1+
INTVCC
3V_1
TG1
SENSE2+
DVMAIN_D
SENSE2-
2.5V
TG 2
SW 2
+5V_UH
GND
GND
DVMAIN
GND
GND
+3V_P
GND
GND
GND
GND
GND
GND
GND
VDD5
GND
GND
+2.5V_DDR_P
GND
PC48
0.1U
50V
0603D
12
PC41
180P/NA
0603D
5%
1 2
PR532
.005
2512
1%
1 2
D
G
S
PU17A
AO4900
SO8
4
5 63
G
D
S
PU17B
AO4900
SO8
2
8 7
1
PJL4
JP_NET20
1 2
PR42
1M
0603
1 2
+
PC554
220U
7343
4V
12
PR533
10
0805
1 2
PF3
4A/32VDC
1 2
D
S
PQ4
SN7002
G
DS
D
S
PQ3
SN7002
G
DS
PC40
180P/NA
0603D
5%
1 2
PR537
43.2K
0603
1%
12
PR34
20K
0603
1%
1 2
PL508
10UH
CDRH104R-100NC
1 2
PC548
0.1U
0805
10%
12
PC555
180P
0603
5%
12
PR40
1.13K/NA
0603D
12
PC37
0.01U
50V
0603
10%
12
PR36
49.9K
0603
1%
1 2
PC46
180P/NA
0603D
5%
1 2
PD506
BAW5 6
SOT2 3N
2 1
3
PC45
1000P
0603
10%
12
PU501
LTC3728 L
HVQFN32_1
1 2 3 4 5 6 7 8
9
10
11
12
13
14
15
16
17 18
32
31
30
29
28
27
26
25
24 23 22 21 20 19
33
34
35
36
37
VOSENSE1 PLLFLTR PLLIN FCB ITH1 SGND 3.3VOUT ITH2
VOSENSE2
NC0
SENSE2-
SENSE2+
RUN/SS2
TG2
SW2
NC1
BOOST2
BG2
NC3
SENSE1-
SENSE1+
NC2
RUN/SS1
PGOOD
TG1
SW1
BOOST1
VIN
BG1
EXTVCC
INTVCC
PGND
SGND1
SGND2
SGND3
SGND4
SGND5
+
PC539
220U
7243
4V
12
PC546
0.1U
0805
10%
12
+
PC551
220U/NA
7343
4V
12
PR531
.01
2512
1%
1 2
PR37
23.7K
0603
1%
1 2
PC559
2K
0603
1 2
PC547
0.1U
50V
0603D
12
PC558
220P
0603
10%
12
PD6
BZV55C3V3
A K
PF6
TR/3216FF-2A
1 2
D
S
PQ5
SN7002
G
DS
PC39
0.1U
50V
0603D
12
G
D
S
PU16
FDS9412
SO8
8 7 6
4
5
2 3 1
PR535
300K/NA
0603
5%
1 2
PC534
10U
25V
1210
20%/X5R
12
PC49
0.1U
50V
0603D
12
PC57
0.01U
50V
0603
10%
12
PR39
100K
0603
1%
1 2
PC532
10U
10V
1210
12
PR38
0
0603D
1 2
PC557
100P
0603D
10%
12
+
PC541
220U
7243
4V
12
PC540
10U
25V
1210
20%/X5R
12
PC553
1000P
0603
10%
1 2
PR536
10K
0603
1 2
+
PC533
100U
25V
12
PC550
10U
16V
1206
12
PC552
1000P
0603
10%
1 2
PC50
1000P
0603
10%
12
PR35
64.9K
0603
1%
1 2
PC51
1000P
0603
10%
12
PD505
EC10QS04
DC2010
A K
PC545
0.1U
50V
0603D
12
PR538
332K
0603
1%
12
G
D
S
PU18
FDS6676S
SO8
8 7 6
4
5
2 3 1
PJL5
JP_NET20
1 2
PR534
10
0805
1 2
+
PC549
220U
7343
4V
12
PC535
10U
25V
1210
20%/X5 R
12
PC55
1000P
0603
10%
12
PL5
120Z/100M
2012
1 2
PC47
180P/NA
0603D
5%
1 2
PL507
2.2UH
IHLP5050CE-01
20%
1 2
PC556
100P
0603D
10%
12
PD5
BZV55C4V3
A K
PR41
0/NA
0603
12
PC560
10U
10V
1210
12
PL2
120Z/100M
2012
1 2
SUSC# 10,21,23,26
SYNFRQ 26,28