IRU3018CW International Rectifier, IRU3018CW Datasheet - Page 3

• Manufacturer Part Number: IRU3018CW
• Description: IC CTRL/REG SYNC BUCK 24-SOIC
• Manufacturer: International Rectifier

Specifications of IRU3018CW

• Applications: Controller, Intel Pentium® II
• Voltage - Input: 5V, 12V
• Number Of Outputs: 3
• Voltage - Output: 1.3 ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *IRU3018CW; IRU3018-CW; IRU3018-CW

PARAMETER
Current Limit Section
CS Threshold Set Current
CS Comp Offset Voltage
Hiccup Duty Cycle
Output Drivers Section
Rise Time
Fall Time
Dead Band Time Between
High Side and Synch Drive
Vcore Switcher Only
2.5V Regulator (V
Reference Voltage
Reference Voltage
Dropout Voltage
Load Regulation
Line Regulation
Input Bias Current
Output Current
Current Limit
Thermal Shutdown
1.5V Regulator (V
Reference Voltage
Reference Voltage
Input Bias Current
Output Drive Current
Power Good Section
Core UV Lower Trip Point
Core UV Upper Trip Point
Core UV Hysterises
Core OV Upper Trip Point
Core OV Lower Trip Point
Core OV Hysterises
Fb2 Lower Trip Point
Fb2 Upper Trip Point
Fb3 Lower Trip Point
Fb3 Upper Trip Point
Power Good Output LO
Power Good Output HI
Fault (Overvoltage) Section
Core OV Upper Trip Point
Core OV Lower Trip Point
V
V
Fault Output HI
Soft-Start Section
Pull-Up Resistor to 5V
Enable Section
En Pin Input LO Voltage
En Pin Input HI Voltage
En Pin Input LO Current
En Pin Input HI Current
Note 1: Vs refers to the set point voltage given in Table 1
Rev. 1.6
07/16/02
IN
IN
2 Upper Trip Point
2 Lower Trip Point
OUT
OUT
2)
3)
V
SYM
V
V
V
EN(H)
EN(L)
O
O
2
3
Css=0.1mF
C
C
C
T
Io=200mA
1mA< Io <200mA
3.1V<V
T
V
V
V
V
Fb2 Ramping Down
Fb2 Ramping Up
Fb3 Ramping Down
Fb3 Ramping Up
R
R
V
V
V
V
Io=3mA
OCSet=0V, Phase=5V
Regulator OFF
Regulator ON
V
V
A
A
L
L
L
SEN
SEN
SEN
SEN
L
L
SEN
SEN
IN
IN
EN
EN
=258C, V
=258C, Gate3=Fb3
=3000pF
=3000pF
=3000pF
=3mA
=5K, Pull-Up to 5V
2 Ramping Up
2 Ramping Down
=0V to 0.8V
=2V to 5V
1 Ramping Down
1 Ramping Up
1 Ramping Up
1 Ramping Down
1 Ramping Up
1 Ramping Down
IN
www.irf.com
TEST CONDITION
2<4V, Vo=2.5V
OUT
2=Fb2
200
300
MIN
50
-5
2
0.90Vs
0.92Vs
0.02Vs
1.10Vs
1.08Vs
0.02Vs
1.17Vs
1.15Vs
1.260
1.260
1.260
1.260
TYP
0.95
1.05
0.95
1.05
0.01
200
200
145
0.6
0.5
0.2
0.4
4.8
4.3
4.2
10
70
70
10
23
20
IRU3018
MAX UNITS
0.8
+5
2
2
mV
mA
mA
mA
mA
mA
mA
KV
mA
mA
ns
ns
ns
%
%
%
8C
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
3