Micrel, Inc.

MIC2601/2

September 2009

2

M9999-090909-A

Ordering Information

Part Number

Marking

Code

(1)

Frequency

Output Over

Voltage Protection

Temperature Range

Package

(2)

Lead Finish

MIC2601YML

RD1

1.2MHz

40V

–40° to +125°C

8-Pin 2mm x 2mm MLF

®

Pb-Free

MIC2602YML

RE1

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

VIN

VDD

EN

AGND

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

VIN

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

2

VDD

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

3

EN

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

4

AGND

Analog Ground

5

SS

Soft Start

6

FB

7

SW

Switch Node (Input): Internal power BIPOLAR collector.

8

PGND

Power ground

EP

GND

Ground (Return): Exposed backside pad. Internally fused to AGND and PGND

pins.