IRUH50P253A1MK IRF [International Rectifier], IRUH50P253A1MK Datasheet

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IRUH50P253A1MK

Manufacturer Part Number
IRUH50P253A1MK
Description
Ultra Low Dropout Positive Fixed Linear Regulator +5.0Vin to +2.5Vout at 3.0A
Manufacturer
IRF [International Rectifier]
Datasheet
Ultra Low Dropout
Positive Fixed Linear Regulator
The IRUH50P253A1M 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.
www.irf.com
Output Current
Input Voltage
Power Dissipation, T
Thermal Resistance, Junction to Case
Operating Temperature Range
Storage Temperature Range
Lead Temperature
Absolute Maximum Ratings
Product Summary
IRUH50P253A1M
Part Number
C
Parameter
= 25°C
Dropout
0.4V
3.0A
I
O
5.0V
V
in
Symbol
R
P
V
2.5V
V
THJC
T
TOT
T
T
I
out
O
IN
S
J
L
Features:
n
n
n
n
n
n
n
n
+5.0Vin to +2.5Vout at 3.0A
Package as IRUH50P253B1M
Low noise, higher efficiency
Ultra low dropout voltage of 0.4V@ 3A out
significantly reduces power consumption
Remote shutdown permits power
sequencing to be easily implemented
Hermetic 8-Lead Flat Pack ensures
Space Level Screened
This part is also available in MO-078AA
LET = 84 MeV/(mg/cm
Fluency = 1 x 10
Single Event latchup Immune
Total dose to 1.0 Mrad(Si) and low dose
higher reliability
space applications
capability to 500 Krad(Si) allows use in
-55 to +125
-65 to +150
IRUH50P253A1M
Value
300
3.5
7.0
6.5
19
9
Ions/cm
8-LEAD FLAT PACK
2
)
2
PD-97026
Units
°C/W
°C
W
A
V
11/15/05
1

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IRUH50P253A1MK Summary of contents

Page 1

Ultra Low Dropout Positive Fixed Linear Regulator Product Summary Part Number Dropout IRUH50P253A1M 0.4V The IRUH50P253A1M is a space qualified, ultra low dropout linear regulator designed specifically for space applications. This product has been characterized to a total ionizing dose ...

Page 2

IRUH50P253A1M Pre-Radiation Electrical Characteristics @T Parameter Output Voltage Input Voltage Range - Operating 3.0A, V Dropout Voltage O V Current Limit ...

Page 3

Post-Radiation Electrical Characteristics @T Parameter V = 5.0V 4.5V 4.5V, I Output Voltage 5.5V 5.5V Current Limit V = 5.0V IN Ripple Rejection ...

Page 4

IRUH50P253A1M Pre-Radiation Characteristics OMR9601 Ripple Rejection vs. Frequency 120 100 100 1,000 Fig 1. Ripple Rejection Vs Frequency Radiation Performance Characteristics Test MIL-STD-883, Method 1019 Total Ionizing Dose (Gamma) Operating Bias applied during exposure Full ...

Page 5

Vin 100uF 16V SHDN Tantalum Fig 2. Typical Application Circuit Input Capacitance Recommended input capacitance for a generic application is a 100µF, 16V tantalum capacitor. However, the input capacitance is not critical to the stability of the regulator and is ...

Page 6

IRUH50P253A1M Vin Shutdown Fig 3. Simplified Schematic Circuit Space Level Screening Requirements TEST/INSPECTION Pre Seal Burn-In Nondestructive Bond Pull Internal Visual Temperature Cycle Constant Acceleration Mechanical Shock PIND Pre Burn-In-Electrical Burn-In Final Electrical Seal Radiographic External Visual Note: International Rectifier ...

Page 7

Case Outline and Dimensions - 8-Lead Flat Pack Part Numbering Nomenclature Linear Regulator Module U = Ultra Low Dropout Regulator Radiation Hardening H = RAD Hardened or Tolerant Input Voltage 50 = 5.0V Polarity P = Positive ...

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