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參數(shù)資料
| 型號(hào)： | US3034CS |
| 廠商： | Unisem Group |
| 英文描述： | 8 PIN PWM SWITCHER CONTROLLER IC |
| 中文描述： | 8引腳的PWM開關(guān)控制器IC |
| 文件頁(yè)數(shù)： | 5/9頁(yè) |
| 文件大小： | 74K |
| 代理商： | US3034CS |
US3034
4-5
Rev. 1.8
1/13/99
Ref Desig
U1
Q2
Description Qty
LDO/Switcher IC
MOSFET
Part #
US3034CS ( 8 pin SOIC)
IRL3303 (TO220)
IRL3103S (TO263) (note 1)
MBR1045CT (TO220)
MBRB1545CT (TO263) (note1)
Core:T50-18,L=4 uH
Turns: 10T, 18 AWG
L=2 uH
22 ohm,5%, SMT 1206 size
10 ohm, 5%, SMT 1206 size
324 kohm,1%, SMT 0805 size
806 ohm,1%, SMT 0805 size
90.9 kohm,1%, SMT 0805 size
1.24 kohm,1%, SMT 0805 size
2.49 kohm,1%, SMT 0805 size
4.99 kohm,1%, SMT 0805 size
10 kohm,1%, SMT 0805 size
1.30 kohm,1%, SMT 0805 size
5 miliohm,5%, 2W
4.99 kohm,1%, SMT 0805 size
4.7 kohm,5% for US3034, open for 3033
open for US3034, 10 ohm for US3033
6MV1500GX, 1500uF,6.3V, Elect
6MV1500GX, 1500uF,6.3V, Elect
1 uF,Ceramic, SMT 0805 size
470 pF,Ceramic, SMT 0805 size
10 pF,Ceramic, SMT 0805 size
6MV1500GX, 1500uF,6.3V, Elect
0.047 uF for 3034 , 0.1uf for 3033
4700pF for US3034, open for US3033
For MOSFET , 577002
For Schottky Diode , 577002
Manufacturer
Unisem
International
Rectifier
1
1
D1
Schottky Diode
1
Motorola
Micro Metal
L2
Inductor
1
(core)
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
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.
Pentium Core Supply Application Parts List (US3034 and US3033 Dual Layout)
Low Cost 4 Bit VID
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