8
Rev. 0
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
HI
LO
1.2V 10A
2.25V - 5.5V
EN
VOUT
MODE/SYNC
GND
EN
SSTT
PGOOD
GND
VIN
GND
VIN
GND
VOUT
GND
VOUT SNSE
GND SNSE
VIN SNSE
GND SNSE
OPT
REVISION HISTORY
ECO
REV
DESCRIPTION
APPROVED
DATE
-
PRODUCTION
MM
10-09-18
5
PCA ADDITIONAL PARTS
PULSE SKIP/SYNC
FORCED CONT
(VIN MAX)
MODE
PULSE SKIP
FORCED CONT.
R3
R4
R7
OPEN
0 or OPEN *
POPULATED OR OPEN **
100k
OPEN
* IF R7 IS POPULATED R4 MUST BE OPEN. ** MODE/SYNC PIN IS CLOCK OUTPUT WHEN R7 IS POPULATED.
0
FSW = 2MHz
CONNECT BY VOUT
SENSE ONLY
VIN EMI
VIN EMI
R6
OPEN
100k
2.25V - 5.5V
NOTES: UNLESS OTHERWISE SPECIFIED 1. RESISTORS: OHMS, 0402, 1%, 1/16W 2. CAPACITORS: 0402
SG_INPUT
I_STEP
OPTIONAL TRANSIENT RESPONSE CIRCUIT
VIN
VIN
VIN
VIN
GND_A
VIN
GND
GND_A
DATE:
IC NO.
SHEET
OF
TITLE: DEMO CIRCUIT SCHEMATIC,
APPROVALS
PCB DES.
APP ENG.
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 SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
SIZE:
SKU NO.
SCHEMATIC NO. AND REVISION:
PCA ASS'Y DWG:
www.analog.com
1
1
N. CARLONE
M.MERCHANT
LTC3310S
DC2629A
710-DC2629A_REV05
705-DC2629A_REV05
Wednesday, October 10, 2018
5V, 10A SYNCHRONOUS STEP-DOWN SILENT SWITCHER 2
DATE:
IC NO.
SHEET
OF
TITLE: DEMO CIRCUIT SCHEMATIC,
APPROVALS
PCB DES.
APP ENG.
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 SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
SIZE:
SKU NO.
SCHEMATIC NO. AND REVISION:
PCA ASS'Y DWG:
www.analog.com
1
1
N. CARLONE
M.MERCHANT
LTC3310S
DC2629A
710-DC2629A_REV05
705-DC2629A_REV05
Wednesday, October 10, 2018
5V, 10A SYNCHRONOUS STEP-DOWN SILENT SWITCHER 2
DATE:
IC NO.
SHEET
OF
TITLE: DEMO CIRCUIT SCHEMATIC,
APPROVALS
PCB DES.
APP ENG.
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 SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
SIZE:
SKU NO.
SCHEMATIC NO. AND REVISION:
PCA ASS'Y DWG:
www.analog.com
1
1
N. CARLONE
M.MERCHANT
LTC3310S
DC2629A
710-DC2629A_REV05
705-DC2629A_REV05
Wednesday, October 10, 2018
5V, 10A SYNCHRONOUS STEP-DOWN SILENT SWITCHER 2
E19
TP2
JP1
E15
R3 100k
C5 22uF
0805
E13
E5
U1
LTC3310S-LQFN
EN
1
SW
6
VFB
18
ITH
17
MODE/SYNC
13
RT
15
PGOOD
14
SSTT
16
VIN
3
PGND
5
AGND
2
VIN
11
VIN
12
VIN
4
SW
7
SW
8
SW
9
PGND
19
PGND
10
C10 OPT
C11 220pF
PCB1
PCB, DC2629A
REV05
MP1
STANDOFF,NYLON,SNAP-ON,0.50"
C17 10uF
0603
E9
TPB1
C4 15pF
MP4
STANDOFF,NYLON,SNAP-ON,0.50"
C14 10uF
0603
C12 OPT
STNCL1
TOOL, STENCIL, 700-DC2629A
REV05
R2
249k
E7
E12
E20
E11
C3 22uF
0805
R8 20
C9
0.033uF
E2
Q1
SUD50N04-8M8P
2
1
3
R11 100k
5%
C20 0.22uF
C2
22uF
0805
R15 10k
5%
TP3
TP1
MP3
STANDOFF,NYLON,SNAP-ON,0.50"
R4 0
E10
R9 140k
E17
R6 OPT
L1
0.10uH
XEL4030-101MEC
L1_1
R12 10k
E18
C8 22uF
0805
+
C18 470uF
6TPE470MI
E14
LB1
LABEL
L2
100 OHMS @ 100MHz
C13 10uF
0603
E4
E6
R14 0.1
2818 10W
E1
TPA1
R13 0
R1 1M
+
C1 470uF
6TPE470MI
C6 22uF
0805
MP2
STANDOFF,NYLON,SNAP-ON,0.50"
E3
C16 10uF
0603
C7
0.1uF
R5 OPT
C15 0.1uF
E21
C19 0.22uF
E8
R10 100k
E16
R7 OPT
VOUT
VFB
RT
VFB
RT
SW
VOUT
MODE
SW
MODE
VOUT
VIN
