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List of Materials
Table 3. UCD3138OL40EVM-032 List of Materials (continued)
QTY
REFDES
DESCRIPTION
PART NUMBER
MFR
2
R1, R11
Resistor, chip, 1/10 W, 1%, 100
Ω
, 0805
Std
Std
4
R12, R13, R14, Resistor, chip, 1/16 W, 5%, 33
Ω
, 0603
Std
Std
R20
4
R15, R16, R17, Potentiometer, 3/8 cermet, single turn, right angle, 20
3296Y-1-203 LF
Bourns
R45
k
Ω
, 0.288 inch x 0.600 inch
2
R2, R18
Resistor, chip, 1/10 W, 1%, 4.7 k
Ω
, 0603
Std
Std
3
R22, R23, R33
Resistor, chip, 1/16 W, 5%, 1.5 k
Ω
, 0603
Std
Std
7
R24, R25, R32, Resistor, chip, 1/16 W, 1%, 100 k
Ω
, 0603
Std
Std
R42, R43, R46,
R48
4
R26, R27, R30, Resistor, chip, 1/10 W, 1%, 2 k
Ω
, 0603
Std
Std
R31
1
R28
Resistor, chip, 20k, 1/16 W, 5%, 22.6 k
Ω
, 0603
Std
Std
1
R29
Resistor, chip, 20k, 1/16 W, 5%, 44.2 k
Ω
, 0603
Std
Std
7
R3, R19, R21,
Resistor, chip, 1/10 W, 1%, 10 k
Ω
, 0603
Std
Std
R35, R40, R41,
R47
1
R34
Resistor, chip, 1/16 W, 1%, 10 k
Ω
, 0603
Std
Std
3
R36, R37, R38
Resistor, chip, 1/16 W, 1%, 1 k
Ω
, 0603
Std
Std
3
R39, R44, R49
Resistor, chip, 1/16 W, 5%, 10 k
Ω
, 0603
Std
Std
6
R4, R5, R7,
Resistor, chip, 1/16 W, 1%, 10 k
Ω
, 0603
Std
Std
R8, R9, R10
1
R58
Resistor, chip, 200, 1/16 W, 1%, 0603
Std
Std
1
R59
Resistor, chip, 20k, 1/16 W, 1%, 0603
Std
Std
9
R6, R50, R51,
Resistor, chip, 1/16 W, 1%, 0, 0603
Std
Std
R52, R53, R54,
R55, R56, R57
1
S1
Switch, SPST, PB momentary, sealed washable, 0.245
KT11P2JM34LFS
C & K
inch x 0.251 inch
3
U1, U2, U3
Presicion, Low Noise, Low Quiescent Current Op-Amp,
OPA376AIDBVT
TI
SOT23-5
1
U4
RS-232 Transceivers with AutoShutdown, SSOP-16
SN75C3221DBR
TI
1
U5
Micro-Power 100 mA LDO Regulator, SOT23-5
TPS76333DBVT
TI
1
XU1
Socket, 40 pin TH, QFN pack, clam-shell, 1.08 inch x
40QN50S16060
Plastronics
0.800 inch
1
U6
Digital Power Controller, QFN-40
UCD3138RHA
TI
1
PCB, FR-4, 0.062 inc, 6.000 inch x 4.000 inch
PWR031
any
25
SLUUA80 – January 2013
Using the UCD3138OL40EVM-032
Copyright © 2013, Texas Instruments Incorporated