IRU3034CSTR International Rectifier, IRU3034CSTR Datasheet - Page 4

• Manufacturer Part Number: IRU3034CSTR
• Description: IC CNTRL PWM SYNC SWITCH 8-SOIC
• Manufacturer: International Rectifier

Specifications of IRU3034CSTR

• Applications: Controller, Intel Pentium®, II, P55C
• Voltage - Input: 12V
• Number Of Outputs: 1
• Voltage - Output: 2 ~ 3.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IRU3034 & (PbF)
TYPICAL APPLICATION
Pentium Core Supply Application (IRU3034 and IRU3033 Dual Layout)
Low Cost 4-Bit VID
Note: R9 can be
eliminated if dual
layout with IRU3033
is not desired.
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.
4
12V
5V
C1
R9
C3
C8
L1
C2
R1
V
C4
12
R2
SS/
V
Drv
Q2
12
U1
JP1
V
CS-/
V
1-2
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
FB2
FB
D1
V
JP1
CS+/
3-4
Drv2
HYST
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Gnd
JP1
R3
R5A
JP1
5-6
www.irf.com
1
2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
R5B
JP1
7-8
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
C5
3
4
Voltage
Output
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
R5C
5
6
0 = Jumper block is installed.
1 = Jumper block is not installed.
R5D
L2
7
8
R5E
R4
R8
C6
R6
R7
C7
V
OUT