iruh330118bk International Rectifier Corp., iruh330118bk Datasheet

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iruh330118bk

Manufacturer Part Number
iruh330118bk
Description
Radiation Hardended Ultra Low Dropout Fixed Positive Linear Regulator +3.
Manufacturer
International Rectifier Corp.
Datasheet
Radiation Hardended Ultra Low Dropout
Fixed Positive Linear Regulator
Description
The IRUH330118 is a space qualified, ultra low dropout
linear regulator designed specifically for applications
requiring high reliability, low noise and radiation hardness.
www.irf.com
Absolute Maximum Ratings
Product Summary
Power Dissipation @ T
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
IRUH330118BK
IRUH330118BP
Part Number
Parameter
C
= 125°C
3.0A
I
O
3.3V
V
IN
V
1.8V
OUT
Symbol
V
R
V
GND
SHDN
V
V
THJC
P
T
T
OUT
T
T
I
O
IN
IN
O
Features
n
n
n
n
n
n
n
n
n
n
n
D
S
L
J
+3.3V
Silicon On Insulator (SOI) CMOS Regulator
ELDRS up to 100Krad(Si) (Condition D)
SEU Immune up to LET = 80 MeV*cm
Space Level Screened
Fast Transient Response
Timed Latch-Off Over-Current Protection
Internal Thermal Protection
On/Off Control via Shutdown Pin, Power
Isolated Hermetic MO-078AA Package
This part is also available in 8 Lead Flat pack
IC, CMOS Latch-Up Immune,
Inherently Rad Hard
Total Dose Capability up to 300Krads(Si)
(Condition A); Tested to 500Krad (Si)
Package as IRUH330118AK / RUH330118AP
Sequencing Easily Implemented
Ensures Higher Reliability
IN
Min.
-0.3
-0.3
-0.3
-0.3
2.9
-55
-65
-
-
-
-
-
to +1.8V
IRUH330118BK
IRUH330118BP
See Fig 4
V
V
IN
IN
Max.
+140
+150
+150
+300
+8.0
6.4
0.3
1.0
25
+ 0.3
+ 0.3
OUT
MO-078AA
PD-97591A
@3.0A
Units
°C/W
01/17/11
2
W
°C
/mg
A
V
1

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iruh330118bk Summary of contents

Page 1

... Ensures Higher Reliability This part is also available in 8 Lead Flat pack n Package as IRUH330118AK / RUH330118AP Symbol GND V SHDN V OUT THJC PD-97591A IRUH330118BK IRUH330118BP to +1.8V @3.0A IN OUT MO-078AA 2 /mg Min. Max. Units - See Fig 4 A -0.3 +8.0 2.9 6.4 V 0.3 -0 ...

Page 2

... IRUH330118BK IRUH330118BP Electrical Characteristics Pre-Radiation @T = 25° Parameter 2.8V ≤ V 2.8V ≤ V Output Voltage -55°C to +125°C 2.8V ≤ V Post -Rad Over-Current Latching, -55°C to +125°C, Current Limit Post -Rad I > I Over-Current Time-to-Latch O d Maximum Shutdown Temp 120Hz, I Ripple Rejection F= 120Hz, I ...

Page 3

... International Rectifier does not currently have a DSCC certified Radation Hardness Assurance Program. www.irf.com Conditions Min 300 100 84 SCREENING LEVEL SPACE 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% IRUH330118BK IRUH330118BP Typ Unit 500 Krads (Si) d See Krads (Si) 2 MeV*cm / Neutrons/cm 1.0e MIL-STD-883 METHOD 2023 2017 1014 ...

Page 4

... IRUH330118BK IRUH330118BP Application Information Input Voltage 0.1uF and 1uF Ceramic; Two 100uF Low ESR Tantalum Fig. 1. Typical Regulator Circuit; Note the SHDN Pin is hardwired in the “ON” position. The V Pin is connected as noted in the “General Layout Rules” section. SENSE Over-Current & Over-Temperature Protection The IRUH3301 series provides over-current protection by means of a timed latch function ...

Page 5

... The input capacitors should be connected as close a possible to the V Fig. 2a. Layer 1 conductor. Ground plane below layer 1 www.irf.com Pin are required for proper operation. When the IN can be as much as V Pin using as short a trace as possible with OUT and GND Pins with as wide a trace as OUT Pin. IN Fig. 2b. Layer 1 silkscreen IRUH330118BK IRUH330118BP 5 ...

Page 6

... IRUH330118BK IRUH330118BP V IN SHDN Thermal Shutdown Latch Timing capacitor GND Fig. 3. Maximum Output Current (A) with no derating at Maximum Dissipation 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 100 110 Fig. 4. Maximum Output Current versus Mounting Surface Temperature Dissipation 6 Input Undervoltage detect Shutdown Disable & Over Current Latch Error Amp + VREF ...

Page 7

... Typical Power Supply Ripple Rejection at 100mA and 1.6A using recommended layout and capacitors. Results above 10KHz are influenced by testing setup and layout. www.irf.com VOut 10 100 1000 10000 Total Dose (Rad (Si)) PSRR (Typical Freq (KHz) Iout=100mA & 1.6A, 1.8Vout, 3.5Vin IRUH330118BK IRUH330118BP ELDRS TID 100000 100 1000 7 ...

Page 8

... IRUH330118BK IRUH330118BP Fig 7. Case Outline and Dimensions - MO-078AA (Lead Form Down) Fig 8. Case Outline and Dimensions - MO-078AA (Lead Form Up) 8 Pin Assignment Pin # Pin Description GND V 3 OUT 4 SHUTDOWN V 5 SENSE Note: 1) All dimensions are in inches Warning: This Product contains BeO ...

Page 9

... Screening Level P = Unscreened . 25 deg C Electrical Test Not for Qualification H = Class H per MIL-PRF-38534 K = Class K per MIL-PRF-38534 Package Type B = MO-078AA Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice. 01/2011 IRUH330118BK IRUH330118BP Pin Assignment Pin # Pin Description ...

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