MIC2290

Micrel

M9999-081104

2

August 2004

Pin Configuration

OUT

VIN

EN

AGND

PGND

SW

FB

NC

1

2

3

4

8

7

6

5

8-Pin MLF™ (ML)

(Top View)

Fused Lead Frame

Ordering Information

Marking

Output

Overvoltage

Junction

Part Number

Code

Voltage

Protection

Temp. Range

Package

Lead Finish

MIC2290BML

SRC

Adjustable

34V

–40

°C to 125°C2×2 8-pin MLF™

Standard

MIC2290YML

SRC

Adjustable

34V

–40

°C to 125°C2×2 8-pin MLF™

Lead Free

Pin Description

Pin Number

Pin Name

Pin Function

1

OUT

Output pin (Output): Output voltage. Connect to FB resistor divider. This pin

has an internal 34V output overvoltage clamp. See “Block Diagram” and

“Applications” section for more information.

2

VIN

Supply (Input): 2.5V to 10V input voltage.

3

EN

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

tor.

4

AGND

Analog ground.

5

NC

No connect (no internal connection to die).

6

FB

Feedback (Input): Output voltage sense node. Connect feedback resistor

network to this pin. V

1

R1

R2

+









7

SW

Switch node (Input): Internal power Bipolar collector.

8

PGND

Power ground.

EP

GND

Ground (Return): Exposed backside pad.