User Guide

5
5
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B B
A A
41167*******
01
5V & 1.05 V(LTC3728L)
C
26 28 Wednesday, June 11, 2003
Tit le
Siz e
Document
Number
Rev
Date: Sheet of
SBG2
TSW1
TTG1
INTVCC1
SENSE1.05+
SENSE1.05-
1.05V_1
TBG1
SENSE5V+
INTVCC1
SENSE5V-
5V_2 SSW 2
STG2
DVMAIN_D2
GND
GND
+3V_P
VDD5
GND
GND
DVMAIN
GND
GND
+1.05V_P
GND
GND
+5V_UH
GND
GND
GND
GND
GND
VDD5
+5V_UH
GND
GND
D
S
PQ503
SN7002
G
DS
PR23
100K
0603
12
PR523
100K
0603
12
+
PC516
150U
7343
6.3V
12
PC23
0.01U
50V
0603
10%
12
PC31
10U
16V
1206
12
PL506
10UH
DS126C2
20%
1 2
PR525
10K
0603D
12
PR524
1M
0603
12
PC32
100P
0603D
10%
12
PR527
0/NA
0603
12
PJL3
JP_NET20
1 2
PR526
0
0603D
1 2
PR26
15K
0603
1%
12
PC25
1000P
0603
10%
12
PC34
1000P
0603
10%
1 2
PC12
180P/NA
0603D
5%
1 2
PC33
220P
0603
10%
12
PC513
0.1U
50V
0603D
12
PU11
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
PC530
0.1U
50V
0603D
12
PR14
32.4K
0603
1%
12
PC29
220P
0603
10%
12
PR530
1M
0603
12
PC528
0.1U
50V
0603D
12
PR510
.01
2512
1%
1 2
PL4
120Z/100M
2012
1 2
D
S
PQ502
SN7002
G
DS
PR28
10
0805
1 2
PR24
300K/NA
0603
5%
12
PR522
0.01
2512
1%
1 2
D
S
PQ2
SN7002
G
DS
PR21
20K
0603
1%
1 2
PD1
BZV55C5V6
A K +
PC510
150U
7343
6.3V
12
PC24
0.1U
50V
0603D
12
PC15
180P/NA
0603D
5%
1 2
D
S
PQ501
SN7002
G
DS
+
PC526
100U
25V
12
PR10
6.34K
0603
1%
1 2
G
D
S
PU9B
AO4900
SO8
2
8 7
1
PC511
10U
10V
1210
12
PF5
3216FF-1
1 2
+
PC512
150U
7343
6.3V
12
PC36
1000P
0603
10%
12
PC30
100P
0603D
10%
12
+
PC514
220U/NA
7343
2V
12
PR540
1M
0603
12
G
D
S
PU10
FDS6690S
SO8
8 7 6
4
5
2 3 1
PL505
3.8UH
CDRH104R-3R8NC
1 2
PR27
332K
0603
1%
12
PC18
180P/NA
0603D
5%
1 2
+
PC515
220U
7343
2V
12
PC35
0.1U
0805
10%
12
PR529
100K
0603
12
PR528
1.13K/NA
0603D
12
PD4
BAW56
SOT23 N
2 1
3
PC56
0.01U
50V
0603
10%
12
D
G
S
PU9A
AO4900
SO8
4
5 63
PC527
2K
0603
1 2
PC531
10U
25V
1210
20%/X5R
12
PC20
1000P
0603
10%
12
D
S
PQ1
SN7002
G
DS
PC10
0.1U
50V
0603D
12
PD2
BZV55C2V4
A K
PL1
120Z/100M
2012
1 2
G
D
S
PU12
FDS9412
SO8
8 7 6
4
5
2 3 1
PR25
10
0805
1 2
PD504
EC10QS04
A K
PC529
10U
25V
1210
20%/X5R
12
PJL2
JP_NET20
1 2
PC28
0.1U
0805
10%
12
PC27
1000P
0603
10%
1 2
PC17
180P/NA
0603D
5%
1 2
PR15
169K
0603
1%
1 2
PF2
4.5A/32VDC
1 2
PR539
0/NA
0603
1 2
PC26
2200P
0603
10%
12
PC520
10U
25V
1210
20%/X5 R
12
SUSB# 3,4,10,18,21,22,23,24,25,28
VCCP_PWRGD 28
SUSC# 10,21,23,27
SYNFRQ 27,28
USB_PWR_ON 20
P_ON 25