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9

IRUH330133BK

IRUH330133BP

Part Numbering Nomenclature

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

TAC Fax: (310) 252-7903

Visit us at www.irf.com for sales contact information.

Data and specifications subject to change without notice. 05/2012

Fig 9. Case Outline and Dimensions - MO-078AA (Lead Trimmed)

Note:

1) All dimensions are in inches

Warning: This Product contains BeO

Pin Assignment

Pin #

Pin Description

1

2GND

3

4

SHUTDOWN

5

IR U H3 301 33 B K

Linear Regulator

U = Ultra Low Dropout Regulator

Radiation Hardening

H3 = 300 Krads

Device indicator

301 = 3 Amp Positive Regulator

Output Voltage

18 = 1.8V

25 = 2.5V

33 = 3.3V

A1 = Adjustable Optimized for 3.3 V Input

A2 = Adjustable Optimized for 5.0V Input

Lead Form Options

A = Lead Form Down (Fig. 7)

B = Lead Form Up (Fig. 8)

Blank = Lead Trimmed (Fig. 9)

Screening Level

P = Unscreened. 25°C

Electrical Test Not for Qualification

K = Class K per MIL-PRF-38534

Package Type

B = MO-078AA