IRUH33PA13B20 Datasheet PDF - International Rectifier


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IRUH33PA13B20
International Rectifier

Part Number IRUH33PA13B20
Description Ultra Low Dropout Positive Adjustable Linear Regulator
Page 7 Pages

IRUH33PA13B20 datasheet pdf
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PD-97029
Ultra Low Dropout
Positive Adjustable Linear Regulator
IRUH33PA13B20
+3.3Vin at 3.0A
Product Summary
Part Number Dropout
IRUH33PA13B20
0.4V
IO
3.0A
Vin
3.3V
Vout
1.265V To (VIN - 0.4V)
MO-078AA
The IRUH33PA13B20 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 200Krad(Si) per MIL-STD-883, Method
1019 at 200Krad at high dose and 100Krad at 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 200Krad(Si) and low dose
capability to 30Krad(Si) allows use in
space applications
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
Absolute Maximum Ratings
Parameter
Output Current
Input Voltage
Output Voltage
Power Dissipation, TC = 25°C
Thermal Resistance, Junction to Case
Operating Temperature Range
Storage Temperature Range
Lead Temperature
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Symbol
IO
VIN
VOUT
PTOT
RTHJC
TJ
TS
TL
Value
3.5
7.0
1.265V To (VIN - 0.4V)
19
8.5
-55 to +125
-65 to +150
300
Units
A
V
W
°C/W
°C
1
03/22/06
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IRUH33PA13B20
PRELIMINARY
Pre-Radiation
Electrical Characteristics @TC = 25°C (Unless Otherwise Specified)
Parameter
Test Conditions
Symbol Min. Typ.
Input Voltage Range - Operating IO = 3.0A
VIN 2.9 -
Reference Voltage
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Ripple Rejection
Shutdown Source Current
Shutdown Pin Threshold
Output Voltage at Shutdown
2.9 VIN 3.8, IO = 50mA
VREF
VLINE
VIN = 3.3V, 50mA IOUT 3.0A
VLOAD
IO = 3.0A, VOUT = 2.5V
VDROP
VIN = 3.3V, Overcurrent Latchup
ILATCH
F = 120Hz, IO = 50mA
VSHDN = 5.0V
ISHDN
ISOURCE = 200µA
VSHDN
VIN = 3.3V, IO = 50mA, VSHDN = +5.0V VOUT (SHDN)
1.252
-0.25
-1.0
-
3.0
65
-
1.0
-0.1
1.265
-
-
-
-
-
200
-
-
Max.
6.5
1.278
+0.25
1.0
0.4
-
-
-
1.6
+0.1
Units
V
%/V
%/A
V
A
dB
µA
V
Pre-Radiation
Electrical Characteristics @TC = -55°C to +125°C
Parameter
Test Conditions
Symbol
Input Voltage Range - Operating IO = 3.0A
VIN
Reference Voltage
Line Regulation
2.9 VIN 3.8, IO = 50mA
VREF
VLINE
Load Regulation
VIN = 3.3V, 50mA IOUT 3.0A
VLOAD
Dropout Voltage
IO = 3.0A, VOUT = 2.5V
VDROP
Current Limit
VIN = 3.3V, Overcurrent Latchup
ILATCH
Ripple Rejection
F = 120Hz, IO = 50mA
Shutdown Source Current
VSHDN = 5.0V
ISHDN
Shutdown Pin Threshold
ISOURCE = 200µA
VSHDN
Output Voltage at Shutdown
VIN = 3.3V, IO = 50mA, VSHDN = +5.0V VOUT (SHDN)
Min.
2.9
1.225
-0.5
-2.0
-
3.0
65
-
1.0
-0.1
Typ.
-
1.265
-
-
-
-
-
200
-
-
Max.
6.5
1.305
+0.5
2.0
0.4
-
-
-
1.6
+0.1
Units
V
%/V
%/A
V
A
dB
µA
V
For notes, please refer to page 3
2
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PRELIMINARY
IRUH33PA13B20
Post-Radiation
Electrical Characteristics @TC = 25°C (Unless Otherwise Specified)
Parameter
Test Conditions
Symbol Min. Typ.
Line Regulation
Load Regulation
Current Limit
Ripple Rejection
Output Voltage at Shutdown
2.9V VIN 3.8V, IO = 50mA
VLINE
VIN = 3.3V, 50mA IOUT 3.0A
VLOAD
VIN = 3.3V
IMAX
F = 120Hz, IO = 50mA
VIN = 3.3V, IO = 50mA, VSHDN = +5.0V VOUT (SHDN)
-0.5
-2.0
3.0
40
-0.1
-
-
-
-
-
Max.
+0.5
2.0
-
-
+0.1
Units
%/V
%/A
A
dB
V
Notes for Electrical Characteristic Tables
 VShutdown ramp from 0.8V to 4.8V, output monitored for a 100mV drop below the nominal specification for Vout
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IRUH33PA13B20
PRELIMINARY
Pre-Radiation Characteristics
OMR9601 Ripple Rejection vs. Frequency
120
100
80
3A
1.5A
.75A
.50A
60
40
20
0
100
1,000
10,000
100,000
Frequency (Hz)
1,000,000
Fig 1. Ripple Rejection Vs Frequency
Post-Radiation Testing and Characterization is in process
Radiation Performance Characteristics
Test
Conditions
Total Ionizing Dose (Gamma)
MIL-STD-883, Method 1019
Operating Bias applied during exposure
Vin = 6.8V, Vout = 2.5V, Io = 10mA
Neutron Fluence
MIL-STD-883, Method 1017
Single Event effects
SEL, SET
Heavy Ions (LET)
Operating Bias applied during exposure
Vin = 2.9V to 7.0V for SEL
Vin = 2.9V to 3.7V for SET
Min Max
Unit
200 Krads (Si)
1.00E+10 1.00E+12 Neutrons/cm2
84 MeV*cm2/mg
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