Micrel, Inc.

MIC2605/6

September 2009

2

M9999-090909-B

Ordering Information

Part Number

Marking

Code

(1)

Frequency

Output Over

Voltage Protection

Temperature Range

Package

(2)

Lead Finish

MIC2605YML

WZ5

1.2MHz

40V

–40° to +125°C

8-Pin 2mm x 2mm MLF

®

Pb-Free

MIC2606YML

WZ6

2MHz

40V

–40° to +125°C

8-Pin 2mm x 2mm MLF

®

Pb-Free

Notes

1.

Overbar (

) symbol my not be to scale.

2.

MLF

Pin Configuration

VOUT

VIN

VDD

EN

PGND

SW

FB

SS

1

2

3

4

8

7

6

5

8-Pin 2mm x 2mm MLF

Pin Description

Pin Number

Pin Name

Pin Function

1

VOUT

Output Pin: Connect to the output capacitor.

2

VIN

Supply (Input): 4.5V to 20V input voltage.

3

VDD

Internal regulated supply. VDD should be connected to VIN when VIN ≤ 7V.

4

EN

Enable (Input): Logic high enables regulator. Logic low shuts down regulator.

5

SS

Soft start

6

FB

7

SW

Switch Node (Input): Internal power BIPOLAR collector.

8

PGND

Power ground

EP

EPAD

Exposed backside pad for thermal cooling.