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International Rectifier Electronic Components Datasheet

IRUH3301A1AK Datasheet

Radiation Hardended Ultra Low Dropout Adjustable Positive Linear Regulator

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PD-97533A
IRUH3301A1AK
Radiation Hardended Ultra Low Dropout
IRUH3301A1AP
Adjustable Positive Linear Regulator +3.3VIN to VADJ @3.0A
Product Summary
Part Number
Dropout
IO
VIN VOUT
IRUH3301A1AK
IRUH3301A1AP
0.4V
3.0A
3.3V
ADJ
8-LEAD FLAT PACK
Description
Features
The IRUH3301A1 is a space qualified, ultra low dropout
linear regulator designed specifically for applications
requiring high reliability, low noise and radiation hardness.
The output voltage can be adjusted to a low 0.8V with a
droput voltage of 400mV at the full rated current of 3.0
Amps.
n Silicon On Insulator (SOI) CMOS Regulator
IC, CMOS Latch-Up Immune,
Inherently Rad Hard
n Total Dose Capability up to 300Krads(Si)
(Condition A); Tested to 500Krad (Si)
n ELDRS up to 100Krad(Si) (Condition D)
n SEU Immune up to LET = 80 MeV*cm2/mg
n Space Level Screened
n Fast Transient Response
Timed Latch-Off Over-Current Protectionhttp://www.DataSheet4U.net/
n
n Internal Thermal Protection
n Adjustable Output as low as 0.8V
n On/Off Control via Shutdown Pin, Power
Sequencing Easily Implemented
n Isolated Hermetic 8-Lead Flat Pack
Ensures Higher Reliability
n This part is also available in MO-078 Package
Absolute Maximum Ratings
as IRUH3301A1BK / IRUH3301A1BP
Parameter
Symbol
Min.
Max.
Units
Power Dissipation @ TC = 125°C
Maximum Output Current @ Maximum
Power Dissipation with no Derating
Non-Operating Input Voltage
Operating Input Voltage
Ground
Shutdown Pin Voltage
Output Pin Voltage
Operating Case Temperature Range
Storage Temperature Range
Maximmum Junction Temperature
Lead Temperature (Soldering 10sec)
Pass Transistor Thermal Resistance, Junction to Case
PD
IO
VIN
VIN
GND
VSHDN
VOUT
TO
TS
TJ
TL
RTHJC
- 25 W
-
See Fig 4
A
-0.3 +8.0
2.9 6.4
-0.3 0.3 V
-0.3 VIN + 0.3
-0.3 VIN + 0.3
-55 +140
-65
-
+150
+150
°C
- +300
- 1.0 °C/W
www.irf.com
1
08/02/10
datasheet pdf - http://www.DataSheet4U.net/


International Rectifier Electronic Components Datasheet

IRUH3301A1AK Datasheet

Radiation Hardended Ultra Low Dropout Adjustable Positive Linear Regulator

No Preview Available !

IRUH3301A1AK
IRUH3301A1AP
cElectrical Characteristics
Pre-Radiation @TC = 25°C, VIN = 3.3V (Unless Otherwise Specified)
Parameter
Reference Voltage
(Measured @ ADJ Pin)
™Dropout Voltage
Current Limit
Over-Current Time-to-Latch
dMaximum Shutdown Temp.
dRipple Rejection
Temp. Coefficient of
Output Voltage
dADJ Pin Current
Minimum SHDN Pin "On"
Threshold Voltage
Maximum SHDN Pin "Off"
Threshold Voltage
Output Voltage at Shutdown
dSHDN Pin Leakage Current
dSHDN Pin Pull-Up Current
dPower On Reset Threshold
dQuiescent Current
Test Conditions
2.97V VIN 3.8V, 50mA IOUT 3.0A
2.97V VIN 3.8V, 50mA IOUT 3.0A,
-55°C to +125°C
2.97V VIN 3.8V, 50mA IOUT 3.0A,
Post -Rad
IO = 3.0A, VOUT = 2.5V, -55°C to +125°C,
Post -Rad
Over-Current Latching, -55°C to +125°C,
Post -Rad
IO > ILATCH
F= 120Hz, IO = 50mA, -55°C to +125°C
F= 120Hz, IO = 50mA, Post -Rad
Symbol
VOUT
VDROP
ILATCH
tLATCH
TLATCH
PSRR
-55°C to +125°C
VOUT_TEMPCO
-55°C to +125°C
ISOURCE = 200µA, -55°C to +125°C
Post -Rad
http://www.DataSheet4U.net/
ISOURCE = 200µA, -55°C to +125°C
Post -Rad
RLOAD = 36 Ohms, VSHDN = 3.3V
-55°C to +125°C, Post-Rad
VSHDN = 3.3V, -55°C to +125°C,Post-Rad
VSHDN = 0.4V
VSHDN = 0.4V, -55°C to +125°C
VSHDN = 0.4V, Post-Rad
Sweep VIN and Measure Output
No Load
Full Load
IADJUST
VSHDN
VSHDN
VOUT
ISHDN
ISHDN
VT-POR
IQ
Min.
0.788
0.768
0.780
-
3.5
-
125
65
40
-
-
-
1.2
-0.1
-10
-98
-140
-98
-
-
-
Typ.
0.800
0.800
0.800
-
-
10
140
-
-
-0.025
1.6
-
-
-
-
-
-
-
1.7
-
-
Max.
0.812
0.832
0.816
0.4
-
-
-
-
-
-
-
0.8
-
0.1
10
-56
-30
-56
-
15
90
Units
V
V
A
ms
°C
dB
% / °C
mA
V
V
V
µA
µA
V
mA
Notes:
 Connected as shown in Fig.1 and measured at the junction of VOUT and ADJ Pins.
‚ Under normal closed-loop operation. Guaranteed by design. Not tested in production.
2 www.irf.com
datasheet pdf - http://www.DataSheet4U.net/


Part Number IRUH3301A1AK
Description Radiation Hardended Ultra Low Dropout Adjustable Positive Linear Regulator
Maker International Rectifier
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IRUH3301A1AK Datasheet PDF






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