Linear Technology DC2026C, Demo Manual

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16
dc2026cfe
DEMO MANUAL DC2026C
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
3.3V
AC ADAPTOR IN
USB GND
USB
USB GND
NOTE: ALL RESISTORS AND CAPACITORS ARE SIZE 0603 UNLESS OTHERWISE SPECIFIED.
TO U9 PAGE 1
TO J3, PAGE 1
OPT
TRACE ON BOTTOM SIDE
USB GND
USB GND
OUTPUT 7.6V @ 100mA
3.3V OUTPUT 50mA MAX
AC ADAPTOR 5V OUTPUT 750mA MAX
USB 5V OUTPUT 200mA MAX
7V-20V INPUT
5V
3.3V
2.5V
EXT
PCB MECHANICAL PARTS
M.HAWKINS
MARK THOREN
05/29/2015
LINEAR TECHNOLOGY ISOLATED
ARDUINO-COMPATIBLE DEMONSTRATION BOARD
LINDUINO ONE:
LTM2884
7.6V
USBD- USBD+ USBVCC USBGND
+5V
+5V
3V3
+5V
7V
+5V
VCCIO
DISO+ DISO-
VIN
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
DEMO CIRCUIT 2026C
2
2
N/A
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
DEMO CIRCUIT 2026C
2
2
N/A
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
DEMO CIRCUIT 2026C
2
2
N/A
MP1
BUMPER, ADHESIVE-BACKED
R14 1MEG 0402
TP1
1
D3 B2100
2
1
C15 10uF 16V 0805
R28 475K 0402
MP4
BUMPER, ADHESIVE-BACKED
R11
OPT
0805
R32 OPT
R4 13.7K
C9 10uF 16V 0805
R47 10K
J5
1 2 3 4 5 6
R3 215K
U6
LTC4411ES5
GND
2
STAT
4
IN
1
VOUT
5
CTL
3
C14 0.01uF 16V
R26 0.20 OHMS 0805 1/4W
+
C26 10uF 50V
SUNCON
C12 10uF 16V 0805
C4
1.0uF
16V
C24 0.047uF 16V
C17 1.0uF 16V
MP2
BUMPER, ADHESIVE-BACKED
C7 4.7uF 16V
C16 2.2uF 1206 50V
R5 42.2K
C27 0.22uF 0402
R50 19.1K
U8
LT1761ES5-BYP
GND
2
BYP
3
IN
1
VOUT
5
ADJ
4
R1 64.9K
C10 10pF COG 0402
C11 22uF 1206
U3
LT1761ES5-SD
GND
2
SHDN
3
IN
1
VOUT
5
ADJ
4
U5
LT1761ES5-3.3
GND
2
BYP
4
IN
1
VOUT
5
SHDN
3
JP3
1
3
5 6
4
2
7 8
C31
2.2nF
1kV
1206
C2 0.01uF 16V
R30 316K 0402
R2 47.5K
C3 10uF 16V 0805
L2
10uH
1
2
J2
2 3 1
MP3
BUMPER, ADHESIVE-BACKED
TP2
1
R27 107K 0402
R48 49.9K
C30
2.2nF
1kV
1206
C6 4.7uF 25V 0805
L1 15uH SMT
1 2
R51 40.2K
R29 215K 0402
C13 1.0uF 16V
C29 OPT
U10
LT3973EMS
PG
9
RT
10
BOOST
7
EN/UVLO
3
OUT
2
GND
11
GND
5
VIN
4
FB
1
BD
8
SW
6
U2
LT3461ES6
SW
1
GND
2
FB
3
VIN
6
SHDN
4
VOUT
5
R49 105K
C1 4.7uF 16V
R19 86.6K
JP1
1
2
C5 15pF
U1
LTM2884CY
D1+
A2
D1-
A1
SPND-PWR
A3
ON
A4
VLO
A5
GND
B1
GND
B2
GND
B3
GND
B4
GND
B5
GND
B6
GND
B7
GND
B8
GND
B9
GND
B10
GND
B11
GND2
K1
GND2
K2
GND2
K3
GND2
K4
GND2
K5
GND2
K6
GND2
K7
GND2
K8
GND2
K9
GND2
K10
GND2
K11
GND2
L3
GND2
L4
GND2
L6
GND2
L7
GND
A6
VBUS
A7
VCC
A8
VCC
A9
VCC
A10
VCC
A11
D2-
L1
D2+
L2
VLO2
L5
VCC2
L8
VCC2
L9
VCC2
L10
VCC2
L11