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PDF IRUH33P253B1M Data sheet ( Hoja de datos )
| Número de pieza | IRUH33P253B1M | |
| Descripción | Ultra Low Dropout Positive Fixed Linear Regulator | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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PD-97041
Ultra Low Dropout
Positive Fixed Linear Regulator
IRUH33P253B1M
+3.3Vin to +2.5Vout at 3.0A
Product Summary
Part Number
Dropout
IO
Vin Vout
IRUH33P253B1M
0.4V
3.0A
3.3V
2.5V
MO-078AA
The IRUH33P253B1M 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 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 IRUH33P253A1M
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
www.DataSheet.in
1 page  
IRUH33P253B1M
Post-Radiation Characteristics
Enhanced Low Dose Rate Sensitivity (Dose Rate = 0.1 Rad/s)
Fig 4. Voltage Output Vs Total Ionizing Dose
Single Event Latch-up
www.irf.com
Fig 5. Voltage Output Vs Time
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet IRUH33P253B1M.PDF ] | |
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