US3004 Просмотр технического описания (PDF) - Unisem
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US3004 Datasheet PDF : 14 Pages
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US3004,US3005
TYPICAL APPLICATION
Pentium III
L1
Q1
5V
C5
R1
C13
C3
R2
R3
L2
R16 R17
C7
C16
Q2 R4
R12 R13
Vout 3
C10
3.3V
C4
12V
R18
12
V12
1 Ct
C1
13 SS
C2
D4
15
VID4
VID3
VID2
VID1
VID0
C6
Q3
5
8
9
7
11
10
14
V5 CS+ HDrv CS- LDrv Gnd Vfb3
Lin1 2
US3004
Vfb1 3
D3 D2 D1 D0 PGd Vfb2 Lin2
16
17
18
19
6
4
20 C9
R11
C15
Q4
3.3V
R9
C14
R5
Power Good
C8
Vout 1
C11
R7
R8
Vout 2
R14
C12
3004app2-2.0
R15
Figure 2- Typical application of US3004 or 3005 in an on board DC-DC converter providing the Core ,
GTL+, and Clock supplies for the Pentium II microprocessor.
PART #
US3004
US3005
R7 VALUE
SEE PARTS LIST
SHORT
R8 VALUE
SEE PARTS LIST
OPEN
Table2, describing the differences between 3004 and 3005 applications.
4-6
Rev. 1.2
12/8/00
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