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IRU1010-18CYTR |IRU101018CYTRIRN/a2500avai1A Fixed LDO Linear Regulator in a SOT-223 3-Leads package
IRU1010-1.8CS |IRU101018CSIRN/a310avai1A Fixed LDO Linear Regulator in a SOIC 8-Lead package
IRU1010-18CD |IRU101018CDN/AN/a33avai1A Fixed LDO Linear Regulator in a TO-252 (D-PAK) 2-Leads package
IRU1010-18CSTR |IRU101018CSTRIORN/a15000avai1A Fixed LDO Linear Regulator in a SOIC 8-Lead package
IRU1010-18CY |IRU101018CYIORN/a100avai1A Fixed LDO Linear Regulator in a SOT-223 3-Leads package
IRU1010-18CDTR |IRU101018CDTRIRN/a40000avai1A Fixed LDO Linear Regulator in a TO-252 (D-PAK) 2-Leads package
IRU1010-18CP |IRU101018CPIRN/a29838avai1A Fixed LDO Linear Regulator in a ULTRA THIN-PAK 2-Leads package


IRU1010-18CDTR ,1A Fixed LDO Linear Regulator in a TO-252 (D-PAK) 2-Leads packageData Sheet No. PD94135IRU1010-181A LOW DROPOUT POSITIVEFIXED 1.8V REGULATOR
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IRU1010-1.8CS-IRU1010-18CD-IRU1010-18CDTR-IRU1010-18CP-IRU1010-18CSTR-IRU1010-18CY-IRU1010-18CYTR
1A Fixed LDO Linear Regulator in a TO-252 (D-PAK) 2-Leads package
International
Data Sheet No. PD94135
TOR Rectifier
IA LOW DROPOUT POSITIVE
FIXED 1.8V REGULATOR
FEATURES DESCRIPTION
El Guaranteed < 1.3V Dropout at Full Load Current The |RU1010-18 is a Iowdropoutthree-terminal flxed out-
El Fast Transient Response put regulator with minimum of IA output current capabil-
Cl 1% Voltage Reference Initial Accuracy ity. This product is speaTcally designed to provide well
Cl Built-ln Thermal Shutdown regulated supply for low voltage IC applications as well
El Available in SOT-223, D-Pak, Ultra Thin-PakTM as generating clock supply for PC applications. The
and 8-Pin SOIC Surface-Mount Packages |RU1010-18 is guaranteed to have <1.3V dropout at full
APPLICATIONS
El Low Voltage IC Supply Applications
EI DSP Core Voltage
load current making it ideal to provide well regulated with
3.8V input supply. The lRU1010-18 is specifically de-
signed to be stable with low cost aluminum capacitors
while maintaining stability with low ESR tantalum caps.
TYPICAL APPLICATION
|RU1010-18
/1.8V/1A
Figure 1 - Typical set-up of the IRU1010-18 in a 3.3V to 1.8V regulator application.
PACKAGE ORDER INFORMATION
To (°C) 2-PIN PLASTIC 2-PIN PLASTIC 8-PIN PLASTIC 3-PIN PLASTIC
TO-252 (D-Pak) Ultra Thin-PakTM (P) SOIC (S) SOT-223 (Y)
0 To 125 lRU1010-18CD lRU1010-18CP IRU1010-18CS IRU1010-18CY
Rev. 1.4 1
02/03/03
International
IRU1010-18 TOR Rectifier
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V m) .................................................... 7V
Power Dissipation _.................................................... Internally Limited
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 125°C
2-PIN PLASTIC TO-252 (D-Pak) 2-PIN ULTRA THN-PAKTM (H 8-PIN PLASTIC SOIC (S) 3-PIN PLASTIC SOT-223 (Y)
IAN 3 I VIN
VIN E El VOUT El VIN
VOUT Vour l NOE El VOUT VOUT El VOUT
Gm 1 Tl Gnd Gnd E El VOUT El Gnd
0JA=70°CNV for 0.5" Sq pad 9JA=70°CIW for 0.5" Sq pad 0JA=55°CNV for 1" Sq pad 0JA=90°CIW for 0.4" Sq pad
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over GN=1}LF, N/N=5V, ChuT--10wF and T--0 to 125°C.
Typical values refer to Tu=25oC.
PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS
Output Voltage Vo lo=10mA, TJ=25°C 1.782 1.800 1.818 V
lo=10mA 1.764 1.800 1.836
Line Regulation lo=10mA, 4.75VLoad Regulation (Note 1) 10mA<|o<1A 17 mV
Dropout Voltage (Note 2) lo=1A 1.3 V
Current Limit AVo=100mV 1.1 A
Thermal Regulation 30ms Pulse, lo=1A 0.01 %/W
Ripple Rejection f=120Hz, Co=25wF Tantalum,
lo=0.5A 70 dB
Temperature Stability lo=10mA 0.5 %
Long Term Stability TJ=125°C, 1000Hrs 0.3 %
RMS Output Noise TJ=25°C, 10HzNote 1: Low duty cycle pulse testing with Kelvin connections is required in order to maintain accurate data.
Note 2: Dropout voltage is defined as the minimum differential voltage between VIN and Maur required to maintain
regulation at Vow. It is measured when the output voltage drops 1% below its nominal value.
2 Rev. 1.4
02/03/03
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