6
DC2277af
DEMO MANUAL DC2277A
schematic Diagram
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
ON (3886)
OFF WP
1206
GND
TG0
CHPWR
VDD33
VDD25
FAULT0B
ALERTB
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ARE 0805.
1206
0603
0603
0603
0603
1206
0603
0603
0603
0603
0603
0603
Partin
+3.3V
+5V
SCL
SDA
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
YS
PRODUCTION
1
1-04-16
__
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
YS
PRODUCTION
1
1-04-16
__
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
YS
PRODUCTION
1
1-04-16
__
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
1
Tuesday, January 12, 2016
12
PROGRAMMING BOARD FOR LTC3886UKG
LT
YS
B
LTC3886UKG
DEMO CIRCUIT 2277A
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
1
Tuesday, January 12, 2016
12
PROGRAMMING BOARD FOR LTC3886UKG
LT
YS
B
LTC3886UKG
DEMO CIRCUIT 2277A
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
1
Tuesday, January 12, 2016
12
PROGRAMMING BOARD FOR LTC3886UKG
LT
YS
B
LTC3886UKG
DEMO CIRCUIT 2277A
C14 0.1µF
R41 OPT
TP6
R28
1.00K
C16 0.1µF
C15 4.7µF
TP3
LED2
GREEN LED
2
1
U2 LTC4361CTS8-2
ON
1
OUT
2
GATEP
3
GND
4
IN
5
SENSE
6
GATE
7
PWRGD
8
Q5 SI1416EDH-T1-GE3
1
3
4
2
5
6
R21 1.00K
C12 0.01µF
R44 OPT
R46 OPT
U1
LTC3886UKG
TG0
2
SW0
1
ISENSP_0
4
ISENSM_0
5
TSNS0
6
VSENSP_0
7
VSENSM_0
8
ISENSP_1
9
ISENSM_1
10
ITH0R
11
ITH0
12
SYNC
13
SCL
14
SDA
15
ALERTB
16
FA
ULT
0B
17
FA
ULT
1B
18
RU
N0
19
RU
N1
20
ASEL0
21
ASEL1
22
VOUT
0_CFG
23
VOUT
1_CFG
24
FREQ_
CFG
25
PHAS_CFG
26
VDD25
27
WP
28
SHARE_CLK
29
VDD33
30
ITH1
31
ITH1R
32
PG1
33
PG0
34
VSENSP_1
35
TSNS1
36
TG1
38
SW1
39
BOOST1
40
BG1
42
EXTVCC
43
INTVC
C
44
IINM
46
IINP
47
VIN
48
BG0
50
BOOST0
52
GND
53
C11 0.1µF
R27
0.499
LED1 RED LED
2
1
JP1
R20 10.0K
R22 100K
TP4
C13 10.0µF
Q2
SI2365EDS-T1-E3
3
2
1
R26 10.0K
C17 4.7µF
TP5
R24 10.0K
R19
1.00K
R43 OPT
R40 10.0K
R45 OPT
R29
10.0K
TP2
Q4 2N7002
3
1
2
R42 OPT
TP13
TP1
