7
dc1934af
DEMO MANUAL DC1934A
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.
ITEM
QTY
REFERENCE
PART DESCRIPTION
MANUFACTURER/PART NUMBER
Required Circuit Components
1
1
C1
CAP., X7R, 0.1μF, 25V, 10% 0603
MURATA, GRM188R71E104KA01D
2
1
C4
CAP., X7R, 4.7μF, 50V, 10% 1206
MURATA, GRM31CR71H475KA12L
3
1
C5
CAP., X5R, 100μF, 6.3V, 20% 1206
MURATA, GRM31CR60J107ME39L
4
1
C6
CAP., X5R, 4.7μF, 6.3V, 10% 0603
MURATA, GRM188R60J475KE19D
5
1
R1
RES., CHIP, 41.2k, 1/10W,1% 0603
VISHAY, CRCW060341K2FKEA
6
2
R3, R5
RES., CHIP, 100k, 1/10W, 1% 0603
VISHAY, CRCW0603100KFKEA
7
1
R4
RES., CHIP, 60.4k, 1/10W, 1% 0603
VISHAY, CRCW060360K4FKEA
8
1
U1
IC., BGA, 48L, 9X6.25X3.23MM
LINEAR TECH., LTM8053EY#PBF
Additional Demo Board Circuit Components
1
0
C2, C9, C11 (OPT)
CAP., 0603
2
1
C3
CAP., ALUM 22μF, 63V
SUN ELECT., 63CE22BS
3
0
C7 (OPT)
CAP., X7R, 10μF, 50V, 10% 1210
MURATA, GRM32ER71H106KA12L
4
0
C10 (OPT)
CAP., X7R, 0.1μF, 50V, 10% 0402
TDK, C1005X7R1H104K050BB
5
0
L1 (OPT)
INDUCTOR, 1.2μH
WURTH ELEKTRONIK, 74437324012
6
1
R2
RES., CHIP, 0Ω, 1/10W, 0603
VISHAY, CRCW06030000Z0EA
7
0
R6, R7, R8 (OPT)
RES., 0603
Hardware/Components (for Demo Board Only)
1
10
E1-E6, E8-E11
TESTPOINT, TURRET, 0.094" PBF
MILL-MAX, 2501-2-00-80-00-00-07-0
2
0
E7
OPT
3
1
JP1
HEADER 3-PIN 0.079" SINGLE ROW
WURTH ELEKTRONIK, 62000311121
4
1
XJP1
SHUNT, 0.079" CENTER
WURTH ELEKTRONIK, 60800213421
5
4
MH1-MH4
STAND-OFF, NYLON 19.1mm
WURTH ELEKTRONIK, 702937000
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
1. ALL RESISTORS ARE 0603. ALL CAPACITORS ARE 0603.
NOTE: UNLESS OTHERWISE SPECIFIED
VIN_EMI
VIN
5.6V - 40V
TR/SS
INPUT EMI FILTER
PGOOD
VOUT 5V / 3.5A
SYNC
GND
GND
GND
BIAS
RUN
SHARE
BURST
NON-BURST
*
*
SEE DEMO MANUAL
*
*
VIN
VIN
AUX
AUX
VOUT
VOUT
R5 100K
C9
OPT
JP1
1
2
3
C6 4.7uF 6.3V
E4
E7
OPT
C1
0.1uF
E9
C11 OPT
E11
E2
R7 OPT
E8
C7 10uF
1210
50V
OPT
L1
74437324012
OPT
E6
C2 OPT
E10
GND
C4 4.7uF 50V 1206
R3 100K
E12
R2
0
R1
41.2K
E5
U1 LTM8053EY
VIN
C6
VIN
C3
VIN
C4
VIN
C5
RUN
B6
TR/SS
B5
RT
A5
SHARE
A4
GND
A6
GND
B3
GND
C1
GND
C2
GND
D1
GND
D2
GND
D3
GND
D4
GND
D5
GND
E1
GND
E2
GND
E3
GND
E4
GND
E5
GND
F1
GND
F2
GND
F3
GND
F4
GND
F5
GND
F6
AUX
B2
BIAS
A2
PG
A3
FB
B1
SYNC
B4
GND
D6
GND
E6
VOUT
G1
VOUT
G2
VOUT
G3
VOUT
G4
VOUT
G5
VOUT
G6
VOUT
H1
VOUT
H2
VOUT
H3
VOUT
H4
VOUT
H5
VOUT
H6
GND
A1
R6 OPT
C5 100uF
1206
6.3V
R8 OPT
+
C3 22uF 63V
E1
E3
SHARE
C10 0.1uF 50V 0402 OPT
R4
60.4K
