

2020 - 2022 Microchip Technology Inc. and its subsidiaries

DS20006436B-page 21

MIC38C42/43/44/45

PRODUCT IDENTIFICATION SYSTEM

To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office

.

Examples:

a) MIC38C42:

BiCMOS Current-Mode PWM

Controller, 96% Max. Duty

Cycle, UVLO Threshold Startup

14.5V, Min. Operating 9V, –40°C

to +125°C Junction Temperature

Range

MIC38C42YM:

8-Lead SOIC, 95/Tube

MIC38C42-1YM

14-Lead SOIC, 54/Tube

MIC38C42YM-TR:

8-Lead SOIC, 2,500/Reel

MIC38C42-1YM-TR

14-Lead SOIC, 2,500/Reel

MIC38C42YMM:

8-Lead MSOP, 100/Tube

MIC38C42YMM-TR:

8-Lead MSOP, 2,500/Reel

MIC38C42-1YN

14-Lead DIP, 25/Tube

MIC38C42YN

8-Lead DIP, 50/Tube

b) MIC38C43:

BiCMOS Current-Mode PWM

Controller, 96% Max. Duty

Cycle, UVLO Threshold Startup

8.4V, Min. Operating 7.6V,

–40°C to +125°C Junction

Temperature Range

MIC38C43YM:

8-Lead SOIC, 95/Tube

MIC38C43-1YM

14-Lead SOIC, 54/Tube

MIC38C43YM-TR:

8-Lead SOIC, 2,500/Reel

MIC38C43-1YM-TR

14-Lead SOIC, 2,500/Reel

MIC38C43YMM:

8-Lead MSOP, 100/Tube

MIC38C43YMM-TR:

8-Lead MSOP, 2,500/Reel

MIC38C43-1YN

14-Lead DIP, 25/Tube

MIC38C43YN

8-Lead DIP, 50/Tube

c) MIC38C44:

BiCMOS Current-Mode PWM

Controller, 50% Max. Duty

Cycle, UVLO Threshold Startup

14.5V, Min. Operating 9V, –40°C

to +125°C Junction Temperature

Range

MIC38C44YM:

8-Lead SOIC, 95/Tube

MIC38C44-1YM

14-Lead SOIC, 54/Tube

MIC38C44YM-TR:

8-Lead SOIC, 2,500/Reel

MIC38C44-1YM-TR

14-Lead SOIC, 2,500/Reel

MIC38C44YMM:

8-Lead MSOP, 100/Tube

MIC38C44YMM-TR:

8-Lead MSOP, 2,500/Reel

MIC38C44-1YN

14-Lead DIP, 25/Tube

MIC38C44YN

8-Lead DIP, 50/Tube

d) MIC38C45:

BiCMOS Current-Mode PWM

Controller, 50% Max. Duty

Cycle, UVLO Threshold Startup

8.4V, Min. Operating 7.6V,

–40°C to +125°C Junction

Temperature Range

MIC38C45YM:

8-Lead SOIC, 95/Tube

MIC38C45-1YM

14-Lead SOIC, 54/Tube

MIC38C45YM-TR:

8-Lead SOIC, 2,500/Reel

MIC38C45-1YM-TR

14-Lead SOIC, 2,500/Reel

MIC38C45YMM:

8-Lead MSOP, 100/Tube

MIC38C45YMM-TR:

8-Lead MSOP, 2,500/Reel

MIC38C45-1YN

14-Lead DIP, 25/Tube

MIC38C45YN

8-Lead DIP, 50/Tube

Device:

MIC38C4x:

BiCMOS Current-Mode PWM Controller

(See Selection Guide Below for Part-

Specific Detail)

MIC38C42:

96% Max. Duty Cycle, UVLO Threshold

Startup 14.5V, Min. Operating 9V

MIC38C43:

96% Max. Duty Cycle, UVLO Threshold

Startup 8.4V, Min. Operating 7.6V

MIC38C44:

50% Max. Duty Cycle, UVLO Threshold

Startup 14.5V, Min. Operating 9V

MIC38C45:

50% Max. Duty Cycle, UVLO Threshold

Startup 8.4V, Min. Operating 7.6V

Product Feature: <blank> = 8-Lead

1

= 14-Lead

Junction

Temperature

Range:

Y

=

–40°C to +125°C, RoHS-Compliant

Package:

M

=

SOIC Package

MM =

MSOP Package

N

=

DIP Package

Media Type:

TR

= 2,500/Reel

<blank>= 95/Tube for 8-Lead M Package

<blank>= 100/Tube for MM Package

<blank>= 50/Tube for 8-Lead N Package

<blank>= 25/Tube for 14-Lead N Package

<blank>= 54/Tube for 14-Lead M Package

Selection Guide

Duty Cycle

UVLO Thresholds

—

Start-Up 8.4V

Min. Operating 7.6V

Start-Up 14.5V

Min. Operating 9V

0% to 96%

MIC38C43

MIC38C42

0% to 50%

MIC38C45

MIC38C44

Device

[-X]

X

XX

[-XX]

Part No.

Product

Feature

Temp. Range

Package

Media Type

Note 1:

Tape and Reel identifier only appears in the

catalog part number description. This identifier is

used for ordering purposes and is not printed on

the device package. Check with your Microchip

Sales Office for package availability with the

Tape and Reel option.