9
dc1717afa
DEMO MANUAL DC1717A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
schematic Diagram
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
OPTIONAL CIRCUIT
VOUT POWER SOURCE
VALID STATUS
5V
5V
5V
V1
VOUT
V2
VOUT
V3
VOUT
5V
/VALID3
/VALID1
EN
/VALID2
/VALID1
/VALID2
/VALID3
FG3
VS3
VS2
FG2
VS1
FG1
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
3
DEMO CIRCUIT 1717A
Thursday, July 23, 2015
2
2
PRIORITIZED POWERPATH CONTROLLER
N/A
LTC4417CUF
KIM T.
VLAD O.
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
3
DEMO CIRCUIT 1717A
Thursday, July 23, 2015
2
2
PRIORITIZED POWERPATH CONTROLLER
N/A
LTC4417CUF
KIM T.
VLAD O.
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
3
DEMO CIRCUIT 1717A
Thursday, July 23, 2015
2
2
PRIORITIZED POWERPATH CONTROLLER
N/A
LTC4417CUF
KIM T.
VLAD O.
3
1
2
GND
VDD
U2 74HC27PW
1 2 13
3 4 5
9 10 11
7
14
12
6
8
R16 1k
R19 30.9K
D17
GRN
VALID1
2
1
R22 1k
D7 MMSZ5231BT1G 5.1V OPT
1
2
D12 GRN
LDO
2
1
R18 115k OPT
D16
GRN
VALID3
2
1
E13
5V
GND
VDD
U3 74HC27PW
1 2 13
3 4 5
9 10 11
7
14
12
6
8
D8
GRN
V1
2
1
R21 1k
Q7 FDD4685
3
1
2
3
1
2
C14 10uF 10V 0805
E14
AUXILIARY VOLTAGE INPUT
6V - 24V
Q9 FDD4685
3
1
2
R14 1k
U4 LT3060ETS8-5
GND
4
ADJ
7
REF/BYP
8
SHDN
1
OUT
6
IN
5
GND
2
GND
3
Q6 FDD4685
3
1
2
GND
VDD
U5 74HC27PW
1 2 13
3 4 5
9 10 11
7
14
12
6
8
3
1
2
C16 10nF 50V 0805
3
1
2
3
1
2
Q5 FDD4685
3
1
2
R29 1k
C15 1uF 50V
E15
GND
R15 1k
Q4 FDD4685
3
1
2
C13 1uF 50V
R20 1k
R17 845k OPT
D9
GRN
V2
2
1
3
1
2
D10
GRN
V3
2
1
D11
GRN
VALID2
2
1
Q8 FDD4685
3
1
2
