US3034 데이터 시트보기 (PDF) - Unisem
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US3034 Datasheet PDF : 9 Pages
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US3034
Pentium Core Supply Application Parts List (US3034 and US3033 Dual Layout)
Low Cost 4 Bit VID
Ref Desig Description
U1
LDO/Switcher IC
Q2
MOSFET
D1
Schottky Diode
L2
Inductor
L1
R1
R2
R3
R4A *
R4B *
R5A
R5B
R5C
R5D
R5E
R6
R7
R8
R9
C1
C2
C3
C4
C5
C7
C8
C6
HS1
HS2
Inductor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Heat Sink
Heat Sink
Qty
Part #
1 US3034CS ( 8 pin SOIC)
1 IRL3303 (TO220)
IRL3103S (TO263) (note 1)
1 MBR1045CT (TO220)
MBRB1545CT (TO263) (note1)
1 Core:T50-18,L=4 uH
Turns: 10T, 18 AWG
1 L=2 uH
1 22 ohm,5%, SMT 1206 size
1 10 ohm, 5%, SMT 1206 size
1 324 kohm,1%, SMT 0805 size
1 806 ohm,1%, SMT 0805 size
1 90.9 kohm,1%, SMT 0805 size
1 1.24 kohm,1%, SMT 0805 size
1 2.49 kohm,1%, SMT 0805 size
1 4.99 kohm,1%, SMT 0805 size
1 10 kohm,1%, SMT 0805 size
1 1.30 kohm,1%, SMT 0805 size
1 5 miliohm,5%, 2W
1 4.99 kohm,1%, SMT 0805 size
1 4.7 kohm,5% for US3034, open for 3033
1 open for US3034, 10 ohm for US3033
1 6MV1500GX, 1500uF,6.3V, Elect
1 6MV1500GX, 1500uF,6.3V, Elect
1 1 uF,Ceramic, SMT 0805 size
1 470 pF,Ceramic, SMT 0805 size
1 10 pF,Ceramic, SMT 0805 size
4 6MV1500GX, 1500uF,6.3V, Elect
1 0.047 uF for 3034 , 0.1uf for 3033
1 4700pF for US3034, open for US3033
1 For MOSFET , 577002
1 For Schottky Diode , 577002
Manufacturer
Unisem
International
Rectifier
Motorola
Micro Metal
(core)
Sanyo
Sanyo
Sanyo
Sanyo
Aavid
Aavid
* R4 is a parallel combination of R4A and R4B.
Note 1: For the applications where it is desirable to eliminate the heat sink, the IRL3103S for Q2 and MBR1545CT for D2 in TO263
packages with minimum of 1" square copper pad can be used.
Rev. 1.8
1/13/99
4-5
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