Micrel, Inc.

MIC69301/2/3

March 2010

3

M9999-030310-E

Pin Description

Pin

Number

(Fixed)

SPAK-5

TO-263-5

Pin

Number

(Adjustable)

SPAK-5

TO-263-5

Pin

Number

(Fixed)

e-Pad

SOIC-8

Pin

Number

(Adjustable)

e-Pad

SOIC-8

Pin

Name

Pin Function

1

1

2

2

EN

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

logic low = shutdown. Do not leave pin floating.

2

2

3,4

3,4

IN

Input voltage which supplies current to the output power device.

3, TAB

3, TAB

1

1

GND

Ground (TAB is connected to ground on S-Pak and TO-263).

4

4

5,6

5,6

OUT

Regulator Output.

—

—

7

—

SNS

Output voltage sense. Connect to output voltage.

—

5

—

7

ADJ

Adjustable regulator feedback input. Connect to resistor voltage

divider.

5

—

8

8

FLG

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

an output fault condition.

—

—

EP

EP

EP

Exposed pad. Connect to GND.