參數(shù)資料
型號: IRU3034CSPBF
廠商: International Rectifier
英文描述: 8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING
中文描述: 8引腳的PWM開關(guān)控制器芯片,限流
文件頁數(shù): 4/12頁
文件大小: 159K
代理商: IRU3034CSPBF
IRU3034 & (PbF)
4
www.irf.com
TYPICAL APPLICATION
Pentium Core Supply Application (IRU3034 and IRU3033 Dual Layout)
Low Cost 4-Bit VID
Figure 3 - Typical application of IRU3034 in a flexible motherboard with the 4-bit VID output voltage selection. This
circuit is done using a dual layout with the IRU3033 part. The advantage of this circuit is that it uses a single jumper
that programs the output voltage in 16 steps with 0.1V steps from 2V to 3.5V, designed for Intel P55, P54, AMD K5
& K6 as well as Cyrix M1 and M2 applications.
0 = Jumper block is installed.
1 = Jumper block is not installed.
Note:
R9 can be
eliminated if dual
layout with IRU3033
is not desired.
JP1
1-2
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
JP1
3-4
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
JP1
5-6
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
JP1
7-8
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Output
Voltage
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
5V
12V
C3
R3
C5
C8
R9
L1
Q2
C1
L2
R4
C7
1
2
D1
R2
C4
R5A
R5B
R5C
R5D
R5E
3
4
5
6
7
8
JP1
R1
V
OUT
C2
R8
R6
C6
R7
Drv
V
12
V
FB
V
HYST
Gnd
CS-/
V
FB2
U1
CS+/
Drv2
SS/
V
12
相關(guān)PDF資料
PDF描述
IRU3034PBF 8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING
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