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IRU1030CDIRN/a43875avai3A Adj LDO Linear Regulator in a TO-252 (D-PAK) 2-Leads package
IRU1030CMIRN/a1254avai3A Adj LDO Linear Regulator in a TO-263 3-Leads package
IRU1030CMTRIRN/a650avai3A Adj LDO Linear Regulator in a TO-263 3-Leads package
IRU1030CTIRN/a12000avai3A Adj LDO Linear Regulator in a TO-220 3-Leads package


IRU1030CD ,3A Adj LDO Linear Regulator in a TO-252 (D-PAK) 2-Leads packageELECTRICAL SPECIFICATIONSUnless otherwise specified, these specifications apply over CIN=1mF, COUT= ..
IRU1030CM ,3A Adj LDO Linear Regulator in a TO-263 3-Leads packageApplications such as:cations. The IRU1030 is guaranteed to have <1.3V drop-P54C

IRU1030CD-IRU1030CM-IRU1030CMTR-IRU1030CT
3A Adj LDO Linear Regulator in a TO-252 (D-PAK) 2-Leads package
. Data Sheet No. PD94124
International IRU1030
OR Rectifier
3A LOW DROPOUT POSITIVE
ADJUSTABLE REGULATOR
FEATURES DESCRIPTION
El Guaranteed < 1.3V Dropout at Full Load Current The IRU1030 is a low dropout three-terminal adjustable
El Fast Transient Response regulator with minimum of 3A output current capability.
Cl 1% Voltage Reference Initial Accuracy This product is specifically designed to provide well regu-
Cl Output Current Limiting Iated supply for low voltage IC applications such as
Cl Built-ln Thermal Shutdown PentiumTM P54CTM, PSSCTM as well as GTL+ termina-
tion for Pentium ProTM and KlamathTM processor appli-
cations. The IRU1030 is also well suited for other pro-
cessors such as CyrixTM, AMD and Power PCTM appli-
cations. The IRU1030 is guaranteed to have <1.3V drop-
out at full load current making it ideal to provide well
regulated outputs of 2.5V to 3.3V with 4.75V to 7V input
supply.
APPLICATIONS
Low Voltage Processor Applications such as:
P54CTM, P55CTM, Cyrix M2TM,
POWER PCTM , AMD
El GTL+ Termination
PENTIUM PROTM , KLAMATHTM
Low Voltage Memory Termination Applications
Standard 3.3V Chip Set and Logic Applications
TYPICAL APPLICATION
51/_,.,rtr-
1500uF I
(r) IRU1030 VOWEI _ la
R2 :l:1500uF
3.3V/3A
Figure 1 - Typical Application of IRU1030 in a 5V to 3.3V regulator.
Notes: Pentium P54C, P550, Klamath, Pentium Pro, VRE are trademarks of Intel Corp.Cyrix M2 is trademark of Cyrix Corp.
Power PC is trademark of IBM Corp.
PACKAGE ORDER INFORMATION
To (°C) 2-PIN PLASTIC 3-PIN PLASTIC 3-PIN PLASTIC
TO-252 (D-Pak) TO-263 (M) TO-220 (T)
0 To 150 lRU1030CD lRU1030CM 1RU1030CT
Rev. 1.3
08/20/02
IRU103O
International
TOR Rectifier
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V IN) ...............................
Power Dissipation ...............................
Storage Temperature Range ................
Internally Limited
-65°C To 150°C
..................... 0°C To 150°C
Operating Junction Temperature Range
PACKAGE INFORMATION
2-PIN PLASTIC TO-252 (D-Pak)
3-PIN PLASTIC TO-263 (M)
3-PIN PLASTIC TO-220 (T)
Tab is
9JA=70°CIW for 0.5" Square pad
Tab is
VOUT VOUT
9JA=35°CIW for 1" Square pad
Tab is
9JT=2.7°C/\N 6JA=60°CNV
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over CIN=1}LF, COUT=10}LF, and To=0 to 150°C.
Typical values refer to TJ=25°C.
PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS
Reference Voltage VREF Io=10mA, TJ=25°C, (Vm-Vo)=1.5V 1.238 1.250 1.262 V
lo=10mA, (VIN-VO)=1.5V 1.225 1.250 1.275
Line Regulation lo=10mA, 1.3V<(Vm-V0)<7V 0.2 %
Load Regulation (Note 1) 1hN=3.3V, VADJ=0, 10mADropout Voltage (Note 2) AVo Note 2, Io=3A 1.1 1.3 V
Current Limit V|N=3.3V, AVo=100mV 3.1 A
Minimum Load Current (Note 3) Vm=3.3V, VADJ=OV 5 10 mA
Thermal Regulation 30ms Pulse, Vm-Vo=3V, lo=3A 0.01 0.02 %/W
Ripple Rejection f=120Hz, Co=25wF Tantalum,
lo=1.5A, VIN-V0=3V 60 70 dB
Adjust Pin Current IADJ lo=10mA, 1hN-Vo=1.5V, TJ=25°C,
lo=10mA, VlN-V0=1.5V 55 120 wA
Adjust Pin Current Change lo=10mA, VlN-V0=1.5V, TJ=25°C 0.2 5 p.A
Temperature Stability 1hN=3.3V, VADJ=0V, lo=10mA 0.5 %
Long Term Stability TJ=125°C, 1000Hrs 0.3 1 %
RMS Output Noise TJ=25°C, 10HzNote 1: Low duty cycle pulse testing with Kelvin con-
nections is required in order to maintain accurate data.
Note 2: Dropout voltage is defined as the minimum dif-
ferential voltage between VIN and Vow required to main-
Note 3: Minimum load current is defined as the mini-
mum current required at the output in order for the out-
put voltage to maintain regulation. Typically the resistor
cally maintained.
tain regulation at Vow. It is measured when the output
voltage drops 1% below its nominal value.
dividers are selected such that this current is automati-

Rev. 1.3
08/20/02
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