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IRUH33P253A1M

International Rectifier
Part Number IRUH33P253A1M
Manufacturer International Rectifier
Description Ultra Low Dropout Positive Fixed Linear Regulator
Published May 13, 2010
Detailed Description PD-97042 Ultra Low Dropout Positive Fixed Linear Regulator IRUH33P253A1M +3.3Vin to +2.5Vout at 3.0A Product Summary ...
Datasheet PDF File IRUH33P253A1M PDF File

IRUH33P253A1M
IRUH33P253A1M

Overview
PD-97042 Ultra Low Dropout Positive Fixed Linear Regulator IRUH33P253A1M +3.
3Vin to +2.
5Vout at 3.
0A Product Summary Part Number Dropout IO Vin Vout IRUH33P253A1M 0.
4V 3.
0A 3.
3V 2.
5V 8-LEAD FLAT PACK The IRUH33P253A1M is a space qualified, ultra low dropout linear regulator designed specifically for space applications.
This product has been characterized to a total ionizing dose of 1.
0 Mrad (Si) per MIL-STD-883, Method 1019, Condition D at both high and low dose rates under biased and unbiased conditions to account for ELDRS effects in bipolar devices.
The ultra low dropout voltage of 0.
4V @ 3A makes the part particularly useful for applications requiring low noise and higher efficiency.
Features: n Total dose to 1.
0 Mrad (Si) and low dose capability to 500 krad (Si) allows use in space applications n Single Event latchup Immune LET= 84 MeV/(mg/cm2) Fluency = 1x109 ions/cm2 n Low noise, higher efficiency n Ultra low dropout voltage of 0.
4V@ 3A out significantly reduces power consumption n Remote shutdown permits power sequencing to be easily implemented n Hermetic 8-lead flat pack ensures higher reliability n Space Level Screened n This part is also available in MO-078 Package as IRUH33P253B1M Absolute Maximum Ratings Parameter Output Current Input Voltage Power Dissipation TC = 25°C Thermal Resistance, Junction to Case Operating Temperature Range Storage Temperature Range Lead Temperature Symbol IO Vin PTOT RTHJC TJ TS TL Value 3.
5 7 19 6.
5 -55 to +125 -65 to +150 300 Units A V W °C/W °C www.
irf.
com 1 11/14/05 IRUH33P253A1M Electrical Characteristics @Ta = 25°C (Unless Otherwise Specified) Pre-Radiation Parameter Test Conditions Symbol Min.
Typ.
Vin = 3.
3V, IO = 1.
5A 2.
475 2.
5 Vin = 2.
97V, IO = 50mA 2.
375 - Output Voltage Vin = 2.
97V, IO = 3.
0A Vout 2.
375 - Vin = 3.
63V, IO = 50mA 2.
375 - Vin = 3.
63V, IO = 3.
0A 2.
375 - Input Voltage Range - Operating IO = 3.
0A Vin 2.
9 - Dropout Voltage IO = 3.
0A, Vout = 2.
5V Vdrop -...


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