MIC38C42/3/4/5

Micrel, Inc.

M9999-091107

2

September 2007

UVLO Thresholds

Startup 8.4V

Startup 14.5V

Duty Cycle

Minimum Operating 7.6V

Minimum Operating 9V

0% to 96%

MIC38C43

MIC38C42

0% to 50%

MIC38C45

MIC38C44

Selection Guide

Ordering Information

Part Number*

Temperature Range

Package

Standard

Pb-Free

MIC38C42BN

MIC38C42YN

-40°C to +85°C

8-pin Plastic DIP

MIC38C43BN

MIC38C43YN

-40°C to +85°C

8-pin Plastic DIP

MIC38C44BN

MIC38C44YN

-40°C to +85°C

8-pin Plastic DIP

MIC38C45BN

MIC38C45YN

-40°C to +85°C

8-pin Plastic DIP

MIC38C42-1BN

Contact Factory

-40°C to +85°C

14-pin Plastic DIP

MIC38C43-1BN

Contact Factory

-40°C to +85°C

14-pin Plastic DIP

MIC38C44-1BN

MIC38C44-1YN

-40°C to +85°C

14-pin Plastic DIP

MIC38C45-1BN

Contact Factory

-40°C to +85°C

14-pin Plastic DIP

MIC38C42BM

MIC38C42YM

-40°C to +85°C

8-pin SOIC

MIC38C43BM

MIC38C43YM

-40°C to +85°C

8-pin SOIC

MIC38C44BM

MIC38C44YM

-40°C to +85°C

8-pin SOIC

MIC38C45BM

MIC38C45YM

-40°C to +85°C

8-pin SOIC

MIC38C42BMM

MIC38C42YMM

-40°C to +85°C

8-pin MSOP

MIC38C43BMM

MIC38C43YMM

-40°C to +85°C

8-pin MSOP

MIC38C44BMM

MIC38C44YMM

-40°C to +85°C

8-pin MSOP

MIC38C45BMM

MIC38C45YMM

-40°C to +85°C

8-pin MSOP

MIC38C42-1BM

MIC38C42-1YM

-40°C to +85°C

14-pin SOIC

MIC38C43-1BM

MIC38C43-1YM

-40°C to +85°C

14-pin SOIC

MIC38C44-1BM

MIC38C44-1YM

-40°C to +85°C

14-pin SOIC

MIC38C45-1BM

MIC38C45-1YM

-40°C to +85°C

14-pin SOIC

* Refer to the Part Number Cross Reference for a listing of Micrel devices equivalent to UC284x and UC384x devices.