Application Note 1946
10
AN
194
6
.0
Ju
ly
7, 2
01
4
Submi
t D
ocument
Feedba
ck
C2,C29
0
ea.
Capacitor
Not
Placed
Not Placed. Place-holder for
additional input and output cap
L1
1
ea.
Inductor
6.8µH
20
7.5x7.2
SMD, 17.84m
Ω
, ROHS
COILCRAFT
XAL7070-682MEB
L2 (HC9-100-R)
0
ea.
Inductor
Not
Placed
Not Placed. Place-holder for
other Inductor
D1
1
ea.
Diode-
Schottky
100V
200m
W
SOD-123
SMD, ROHS
DIODES INC.
BAT46W-7-F
U1
1
ea.
IC
4x4,
24-pin QFB
ISL78268-Synchronous Buck
Regulator, ROHS
INTERSIL
ISL78268ARZ
Q2, Q4
2
ea.
Transistor,
NMOS
60V,
80A
5x6,
8-pin DFN
ROHS
ALPHA and OMEGA
SEMICONDUCTOR
AON6246
Q1,Q3
0
ea.
Transistor,
NMOS
Not
Placed
5x6,
8-pin DFN
Not Placed. Place-holder for
additional NMOS-FET
R22
0
ea.
Resistor
Not
placed
0805
SMD, Not Placed
R14
1
ea.
Resistor
10
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
KOA
RK73H1JT10R0F
R16
1
ea.
Resistor
15
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
YAGEO
RC0603FR-0715RL
R12, R21
2
ea.
Resistor
0
Ω
1/10W
Thick Film 0603
SMD, ROHS
VENKEL
CR0603-10W-000T
R5, R7, R11, R20
4
ea.
Resistor
10k
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
KOA
RK73H1JT1002F
R4
1
ea.
Resistor
130k
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
PANASONIC
ERJ-3EKF1303V
R1
1
ea.
Resistor
182k
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
YAGEO
RC0603FR-07182KL
R8, R15, R24, R28
4
ea.
Resistor
243
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
YAGEO
RC0603FR-07243RL
R13
1
ea.
Resistor
27.4k
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
PANASONIC
ERJ-3EKF2742V
R2
1
ea.
Resistor
28k
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
VENKEL
CR0603-10W-2802FT
R19
1
ea.
Resistor
3.24k
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
PANASONIC
ERJ-3EKF3241V
R18
1
ea.
Resistor
40.2k
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
YAGEO
RC0603FR-0740K2L
R9, R17, R25, R29
4
ea.
Resistor
422
Ω
1/10W
1
Thick Film 0603
SMD, ROHS
PANASONIC
ERJ-3EKF4220V
R6
1
ea.
Resistor
100k
Ω
1/8W
1
Thick Film 0805
SMD, ROHS
VENKEL
CR0805-8W-1003FT
R10,R27
2
ea.
Resistor
0.005
Ω
2/3W
1
Thin-Film 0805
Current Sense Resistor, SMD,
ROHS
SUSUMU
KRL2012-M-R005-F
R3
0
ea.
Resistor
not
placed
0603
SMD, Not Placed, Place-Holder
for Type-3 compensation
R23, R27
0
ea.
Resistor
not
placed
0603
SMD, Not Placed, Place-Holder
for DCR Current Sensing
J1, J2, J26, J27
4
ea.
Connector,
Jack
0.175 PLUG MINI BANANA, NICKEL/BRASS,
ROHS
KEYSTONE
575-4
TABLE 3. ISL78268EVAL1Z BUILD OF MATERIALS LIST (Continued)
REFERENCE DESIGNATOR QTY UNITS
COMPONENT
TYPE
VALUE RATING
ACCURACY
(%)
TYPE
SIZE
OTHER DESCRIPTION
MANUFACTURER
MANUFACTURER PART