Micrel, Inc.

MIC39150/39151/39152

October 2009

3

M9999-102309-A

Pin Configuration

3OUT

2GND

1IN

3OUT

2GND

1IN

MIC39150-x.xBT/WT

TO-220-3 (T)

MIC39150-x.xBU/WU

TO-263-3 (U)

5FLG

4OUT

3GND

2IN

1EN

MIC39151-x.xBT/WT

TO-220-5 (T)

MIC39151-x.xBU/WU

TO-263-5 (D

MIC39152WU

TO-263-5 (D

MIC39152WD

TO-252-5 (D-Pak) (D)

Pin Description

Pin Number

MIC39150

Pin Number

MIC39151

Pin Number

MIC39152

Pin Name

Pin Description

—

1

1

EN

Enable (Input): TTL/CMOS compatible input. Logic high =

enable; logic low or open = shutdown.

1

2

2

IN

Unregulated Input: +16V maximum supply.

2, TAB

3, TAB

3, TAB

GND

Ground: Ground pin and TAB are internally connected.

3

4

4

OUT

Regulator Output.

—

5

—

FLG

Error Flag (Output): Open-collector output. Active low

indicates an output fault condition.

—

—

5

ADJ

Adjustable Regulator Feedback Input: Connect to the

resistor voltage divider that is placed from OUT to GND in

order to set the output voltage.