iruh50p333a1m International Rectifier Corp., iruh50p333a1m Datasheet

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iruh50p333a1m

Manufacturer Part Number
iruh50p333a1m
Description
Ultra Low Dropout Fixed Positive Linear Regulator
Manufacturer
International Rectifier Corp.
Datasheet
Ultra Low Dropout
Fixed Positive Linear Regulator
The IRUH50P333A1M 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
Absolute Maximum Ratings
Output Current
Input Voltage
Power Dissipation, T
Thermal Resistance, Junction to Case
Operating Temperature Range
Storage Temperature Range
Lead Temperature
Product Summary
IRUH50P333A1M
Part Number
C
Parameter
= 25°C
Dropout
0.4V
3.0A
I
O
5.0V
V
in
Symbol
R
P
V
3.3V
V
THJC
T
T
TOT
T
I
out
O
IN
S
J
L
Features:
n
n
n
n
n
n
n
n
+5.0Vin to +3.3Vout at 3.0A
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-078 Package
higher reliability
LET = 84 MeV/(mg/cm
Fluency = 1 x 10
Single Event latchup Immune
as IRUH50P333B1M
Total dose to 1.0 Mrad(Si) and low dose
space applications
capability to 500 Krad(Si) allows use in
-55 to +125
-65 to +150
IRUH50P333A1M
Value
300
3.5
7.0
6.5
19
9
Ions/cm
8-LEAD FLAT PACK
2
)
2
PD-97028
Units
°C/W
°C
W
A
V
11/15/05
1

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iruh50p333a1m Summary of contents

Page 1

... Part Number Dropout IRUH50P333A1M 0.4V The IRUH50P333A1M 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 ...

Page 2

... IRUH50P333A1M Pre-Radiation Electrical Characteristics @T Parameter Output Voltage Input Voltage Range - Operating 3.0A, V Dropout Voltage O V Current Limit 120Hz, I Ripple Rejection V Shutdown Source Current SHDN Shutdown Pin Threshold V IN Output Voltage at Shutdown V IN Pre-Radiation Electrical Characteristics @T ...

Page 3

... V Shutdown www.irf.com = 25°C (Unless Otherwise Specified) C Test Conditions Symbol = 1. 50mA OUT = 50mA MAX = 50mA O = 50mA +5. SHDN OUT (SHDN) IRUH50P333A1M Min. Typ. Max. Units 3.135 - 3.465 3.135 - 3.465 3.135 - 3.465 V 3.135 - 3.465 3.135 - 3.465 3 ...

Page 4

... IRUH50P333A1M 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 Rated Load, Vin=5.0V Neutron Fluence MIL-STD-883, Method 1017 ...

Page 5

... Care should be taken to ensure that the input to the regulator is sufficiently free of noise and disturbances. Output Capacitance Like most ultra low dropout voltage regulators, IRUH50P333A1M requires the use of output capacitors as part of the device frequency compensation. The device requires a minimum of 220 stability. ...

Page 6

... IRUH50P333A1M 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 doesnot currently have a DSCC certified Radiation Hardness Assurance Program ...

Page 7

... IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 IR LEOMINSTER : 205 Crawford St., Leominster, Massachusetts 01453, USA Tel: (978) 534-5776 www.irf.com Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice. 11/2005 IRUH50P333A1M Pin Assignment Pin # Pin Description 1 GND 2 GND 3 SHUTDOWN 4 ...

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