MIC49300

Micrel

MIC49300

2

October 2003

Pin Configuration

5 VOUT

4

VBIAS

3

2

VIN

1 EN/ADJ.

GND

5-Lead S-Pak (R)

Pin Description

Pin Number

Pin Name

Pin Function

1

Enable

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

shutdown.

ADJ.

Adjustable regulator feedback input. Connect to resistor voltage divider.

4

VIN

Input voltage which supplies current to the output power device.

5

VOUT

Regulator Output.

2

VBIAS

Input Bias Voltage for powering all circuitry on the regulator with the excep-

tion of the output power device.

3

GND

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

Ordering Information

Part Number

Output Current

Voltage

Temperature Range

Package

MIC49300-0.9BR

3A

0.9V

–40°C to +125°C

S-Pak-5

MIC49300-1.2BR

3A

1.2V

–40°C to +125°C

S-Pak-5

MIC49300-1.5BR

3A

1.5V

–40°C to +125°C

S-Pak-5

MIC49300-1.8BR

3A

1.8V

–40°C to +125°C

S-Pak-5

MIC49300BR

3A

ADJ.

–40°C to +125°C

S-Pak-5

Other voltages available. Contact Micrel for details.