Micrel, Inc.

MIC5331

February 2008

2

M9999-021408-A

Ordering Information

Part Number

Manufacturing

Part Number

Marking

Voltage

Junction

Temperature Range

Package

MIC5331-1.8/1.2YMT

MIC5331-G4YMT

UG4

1.8V/1.2V

–40° to +125°C

8-Pin 2mm x 2mm Thin MLF

®

MIC5331-2.5/1.2YMT

MIC5331-J4YMT

UJ4

2.5V/1.2V

–40° to +125°C

8-Pin 2mm x 2mm Thin MLF

®

MIC5331-2.8/2.8YMT

MIC5331-MMYMT

UMM

2.8V/2.8V

–40° to +125°C

8-Pin 2mm x 2mm Thin MLF

®

MIC5331-2.8/2.85YMT

MIC5331-MNYMT

UMN

2.8V/2.85V

–40° to +125°C

8-Pin 2mm x 2mm Thin MLF

®

MIC5331-2.85/2.85YMT

MIC5331-NNYMT

UNN

2.85V/2.85V

–40° to +125°C

8-Pin 2mm x 2mm Thin MLF

®

MIC5331-3.0/2.8YMT

MIC5331-PMYMT

UPM

3.0V/2.8V

–40° to +125°C

8-Pin 2mm x 2mm Thin MLF

®

MIC5331-3.0/2.85YMT

MIC5331-PNYMT

UPN

3.0V/2.85V

–40° to +125°C

8-Pin 2mm x 2mm Thin MLF

®

MIC5331-3.0/3.0YMT

MIC5331-PPYMT

UPP

3.0V/3.0V

–40° to +125°C

8-Pin 2mm x 2mm Thin MLF

®

Note:

Other voltage options available. Contact Micrel for details.

Pin Configuration

1

VIN

GND

NC

EN2

8

VOUT1

VOUT2

NC

EN1

7

6

5

2

3

4

8-Pin 2mm x 2mm Thin MLF

(Top View)

Pin Description

Pin Number

Pin Name

Pin Function

1

VIN

Supply Input.

2

GND

Ground.

3

NC

Not Internally Connected.

4

EN2

Enable Input (Regulator 2): Active High Input. Logic High = On; Logic Low =

Off. Do not leave floating.

5

EN1

Enable Input (Regulator 1): Active High Input. Logic High = On; Logic Low =

Off. Do not leave floating.

6

NC

Not Internally Connected.

7

VOUT2

Regulator Output – LDO2.

8

VOUT1

Regulator Output – LDO1.