Radiation Hardended Ultra Low Dropout

IRUH3301A1AP

Adjustable Positive Linear Regulator

www.irf.com

1

05/18/12

8-LEAD FLAT PACK

Description

IRUH3301A1AK

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.

Features

IC, CMOS Latch-Up Immune,

Inherently Rad Hard

(Condition A); Tested to 500Krad (Si)

Sequencing Easily Implemented

Ensures Higher Reliability

as IRUH3301A1BK / IRUH3301A1BP

Absolute Maximum Ratings

Parameter

Symbol

Min.

Max.

Units

-25

W

Maximum Output Current @ Maximum

Power Dissipation with no Derating

Non-Operating Input Voltage

-0.3

+8.0

Operating Input Voltage

2.9

6.4

Ground

GND

-0.3

0.3

Shutdown Pin Voltage

-0.3

Output Pin Voltage

-0.3

Operating Case Temperature Range

-55

+140

Storage Temperature Range

-65

+150

Maximmum Junction Temperature

-+150

Lead Temperature (Soldering 10sec)

-+300

Pass Transistor Thermal Resistance, Junction to Case

-1.0

°C/W

°C

A

-

See Fig 4

V

Product Summary

Part Number

Dropout

IRUH3301A1AK

IRUH3301A1AP

0.4V

3.0A

3.3V

ADJ

(5962F1023501K)

PD-97533C