Micrel, Inc.

MIC49150

November 2006

2

M9999-111306

Ordering Information

Part Number

Standard

Pb-Free /

RoHS Compliant

Output

Current

Voltage

Junction

Temp. Range

Package

MIC49150-0.9BMM

MIC49150-0.9YMM

1.5A

0.9V

–40° to +125°C

8-Pin Power MSOP

MIC49150-1.2BMM

MIC49150-1.2YMM

1.5A

1.2V

–40° to +125°C

8-Pin Power MSOP

MIC49150-1.5BMM

MIC49150-1.5YMM

1.5A

1.5V

–40° to +125°C

8-Pin Power MSOP

MIC49150-1.8BMM

MIC49150-1.8YMM

1.5A

1.8V

–40° to +125°C

8-Pin Power MSOP

MIC49150BMM

MIC49150YMM

1.5A

Adj.

–40° to +125°C

8-Pin Power MSOP

MIC49150-0.9BR

MIC49150-0.9WR*

1.5A

0.9V

–40° to +125°C

5-Pin S-PAK

MIC49150-1.2BR

MIC49150-1.2WR*

1.5A

1.2V

–40° to +125°C

5-Pin S-PAK

MIC49150-1.5BR

MIC49150-1.5WR*

1.5A

1.5V

–40° to +125°C

5-Pin S-PAK

MIC49150-1.8BR

MIC49150-1.8WR*

1.5A

1.8V

–40° to +125°C

5-Pin S-PAK

MIC49150BR

MIC49150WR*

1.5A

Adj.

–40° to +125°C

5-Pin S-PAK

* RoHS Compliant with ‘high-melting solder’ exemption.

Pin Configuration

1

2

3

4

8

7

6

5

GND

GND

GND

GND

EN/ADJ.

VBIAS

VIN

VOUT

5 VOUT

4

VBIAS

3

2

VIN

1 EN/ADJ.

GND

8-Pin Power MSPO (MM)

5-Pin S-Pak (R)

Pin Description

Pin Number

8-MSOP

Pin Number

5-SPak

Pin Name

Pin Name

EN

Enable (Input): CMOS compatible input. Logic high = enable,

logic low = shutdown.

1

1

ADJ

Adjustable regulator feedback input. Connect to resistor

voltage divider.

2

2

VBIAS

Input Bias Voltage for powering all circuitry on the regulator

with the exception of the output power device.

3

4

VIN

Input voltage which supplies current to the output power

device.

4

5

OUT

Regulator Output.

5/6/7/8

3

GND

Ground (TAB is connected to ground on S-Pak).