Micrel, Inc.

MIC2292/93C

September 2009

2

M9999-091509-A

Ordering Information

Part Number

Marking

Code

Overoltage

Protection

Junction

Temp. Range

Package

Lead Finish

MIC2292C-15YML

15V

–40°C to +125°C

8-Pin 2mm x 2mm MLF

®

Pb-Free

MIC2293C-34YML

34V

–40°C to +125°C

8-Pin 2mm x 2mm MLF

®

Pb-Free

Notes 1: Contact Micrel Marketing for other voltage options.

Pin Configuration

OUT

VIN

EN

AGND

PGND

SW

FB

NC

1

2

3

4

8

7

6

5

EP

???

Denotes Pb-Free

Denotes MIC2292/93C

8-Pin MLF

(Top View)

Fused Lead Frame

Pin Description

Pin Number

Pin Name

Pin Name

1

OUT

Output Pin and Overvoltage Protection (Output): Connect to the output capacitor and LEDs.

2

VIN

Supply (Input): Input Voltage.

3

EN

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

4

AGND

Analog ground.

5

NC

No connect (no internal connection to die).

6

FB

Feedback (Input): Output voltage sense node. Connect the cathode of the LED to this pin.

A resistor from this pin to ground sets the LED current.

7

SW

Switch node (Input): Internal power transistor collector.

8

PGND

Power ground.

EP

GND

Ground (Return): Exposed backside pad.