Micrel, Inc.

MIC5357

January 2011

3

M9999-011311

Ordering Information

Voltage(V)

Part Number

(1)

Manufacturing Part

Number

Marking

Junction Temperature

Range

Package

MIC5357-3.3/2.8YMME

MIC5357-SMYMME

57SM

3.3V

2.8V

–40°C to +125°C

8-Pin ePAD MSOP

MIC5357-3.3/1.8YMME

MIC5357-SGYMME

57SG

3.3V

1.8V

–40°C to +125°C

8-Pin ePAD MSOP

MIC5357-2.8/1.8YMME

MIC5357-MGYMME

57MG

2.8V

1.8V

–40°C to +125°C

8-Pin ePAD MSOP

MIC5357-1.8/1.5YMME

MIC5357-GFYMME

57GF

1.8V

1.5V

–40°C to +125°C

8-Pin ePAD MSOP

Notes

1.

For other voltage options contact Micrel Marketing.

Pin Configuration

8-Pin ePAD MSOP (MME)

TOP VIEW

Pin Description

Pin Number

Pin Name

Pin Function

1

VIN

Supply Input.

2

GND

Ground.

3

BYP

Reference Bypass: Connect external 0.1µF to GND to reduce output noise.

May be left open when bypass capacitor is not required.

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.

ePAD

HS Pad

Heatsink Pad internally connected to ground.