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IRU1010-2.5CS-IRU1010-25CD-IRU1010-25CDTR-IRU1010-25CP-IRU1010-25CPTR-IRU1010-25CS-IRU1010-25CY-IRU1010-25CYTR
1A Fixed LDO Linear Regulator in a TO-252 (D-PAK) 2-Leads package
Data Sheet No. PD94120
International
TOR Rectifier
IA LOW DROPOUT POSITIVE
FIXED 2.5V REGULATOR
FEATURES DESCRIPTION
El Guaranteed < 1.3V Dropout at Full Load Current The |RU1010-25 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 |RU1010-25 is guaranteed to have <1.3V dropout at full
load current making it ideal to provide well regulated with
APPLICATIONS 3.8V input supply. The lRU1010-25 is specifically de-
I: Low Voltage IC Supply Applications signed to be stable with low cost aluminum capacitors
EI PC Clock Supply Voltage while maintaining stability with low ESR tantalum caps.
TYPICAL APPLICATION
lRU1010-25
l 2.5V/ 1A
Figure 1 - Typical application of |RU1010-25 in a 5V to 2.5V regulator.
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 150 lRU1010-25CD IRU1010-25CP IRU1010-25CS |RU1010-25CY
Rev. 1.4 1
02/03/03
International
IRU1010-25 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 150°C
2-PIN PLASTIC TO-252 (D-Pak) 2-PIN ULTRA THIN-PAKTM (P) 8-PIN PLASTIC SOIC (S) 3-PIN PLASTIC SOT-223 (Y)
IAN 3 I Nhr4 VIN E El VOUT El VIN
Tab is Tab is NC E El VOUT Tab is l:
VCUT VCUT l NCE El VOUT VOUT El VOUT
Grd 1 : Gm Gnd E El VOUT El Gnd
0JA=70°CNV for 0.5" Sq pad 6JA=70°CNV for 0.5" Sq pad 9JA=55°CIW for 1" Sq pad 6JA=90°CIW for 0.4" Sq pad
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over GN--IWF, 1/N=5V, ODUT=10].LF and T=0 to 125°C.
Typical values refer to TJ=25°C.
PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS
Output Voltage Vo lo=10mA, TJ=25°C 2.475 2.500 2.525 V
lo=10mA 2.450 2.500 2.550
Line Regulation lo=10mA, 4.75V
Load Regulation (Note 1) 10mADropout Voltage (Note 2) lo=1A 1.3 V
Current Limit AVo=100mV 1.1 A
Thermal Regulation 30ms Pulse, lo=1A 0.01 0.02 %/W
Ripple Rejection f=120Hz, Co=25wF Tantalum,
lo=0.5A 60 70 dB
Temperature Stability lo=10mA 0.5 %
Long Term Stability TJ=125°C, 1000Hrs 0.3 1 %
RMS Output Noise TJ=25°C, 10HzNote I: 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 Vow 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
