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IRUH50P253B1M Datasheet(PDF) 1 Page - International Rectifier

Part # IRUH50P253B1M
Description  Ultra Low Dropout Positive Fixed Linear Regulator
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRUH50P253B1M Datasheet(HTML) 1 Page - International Rectifier

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Ultra Low Dropout
IRUH50P253B1M
Positive Fixed Linear Regulator
+5.0Vin to +2.5Vout at 3.0A
www.irf.com
1
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 = 1 x 109 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 MO-078AA (TO-258AA)
pack ensures higher reliability
n Space Level Screened
n This part is also available in 8-Lead Flat Pack
Package as IRUH50P253A1M
The IRUH50P253B1M 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 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.
11/15/05
MO-078AA
Absolute Maximum Ratings
Parameter
Symbol
Value
Units
Output Current
IO
3.5
A
Input Voltage
VIN
7.0
V
Power Dissipation, TC = 25°C
PTOT
19
W
Thermal Resistance, Junction to Case
RTHJC
6.5
°C/W
Operating Temperature Range
TJ
-55 to +125
Storage Temperature Range
TS
-65 to +150
°C
Lead Temperature
TL
300
Product Summary
Part Number
Dropout
IO
Vin
Vout
IRUH50P253B1M
0.4V
3.0A
5.0V
2.5V
PD-97025


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