Micropac Industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.

Micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible.

MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION

• 905 E. Walnut St., Garland, TX 75040 • (972) 272-3571 • Fax (972) 494-2281

www.micropac.com

08/03/01

42118

POSITIVE HIGH TEMPERATURE

FIXED VOLTAGE REGULATOR

Designed for use in high temperature environments

Mii

HYBRID MICROELECTRONICS

PRODUCTS DIVISION

Features:

•

•

Output current to 1.0 A

•

Input voltage to +30 V

•

Internal short circuit protection, foldback and

current limiting

•

Isolated TO-258 package

Applications:

•

Military and Hi Rel Industrial harsh environment

applications where hermetically sealed product is

required

•

Down hole applications

DESCRIPTION

The 42118 series of fixed voltage regulators covers the output voltage range from +5 VDC through +30 VDC. These voltage

complete with internal short circuit protection, which includes voltage shutdown and current foldback. The 42118 series

voltage regulators normally do not require any additional components. However, for good design practice, an external filter

ABSOLUTE MAXIMUM RATINGS AT 200°C CASE TEMPERATURE

Power Dissipation (Pd) ...........................................................................................................................................................8 W

Typical Connection Diagram

Note: D1 should be installed for input safety.

D1

INPUT

OUTPUT

+

COMMON

+

2uf

RECTIFIED

REGULATED

AS REQUESTED

AS REQUESTED

HEADER

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