Micrel Inc.

MIC23153

December 2009

2

M9999-121409-A

Ordering Information

Part Number

Marking

Code

Nominal Output

Voltage

Junction

Temp. Range

Package

MIC23153-GYMT

WEG

1.8V

–40°C to +125°C

10-Pin 2.5mm x 2.5mm Thin MLF

®

MIC23153YMT

WEA

Adjustable

–40°C to +125°C

10-Pin 2.5mm x 2.5mm Thin MLF

®

Notes:

1. Other options available (1V - 3.3V). Contact Micrel Marketing for details.

2. Thin MLF

3. Thin MLF

Pin Configuration

2.5mm x 2.5mm Thin MLF

Fixed Output Voltage

(Top View)

2.5mm x 2.5mm Thin MLF

Adjustable Output Voltage

(Top View)

Pin Description

Pin Number

(Fixed)

Pin Number

(Adjustable)

Pin Name

Pin Function

1

1

SW

Switch (Output): Internal power MOSFET output switches.

2

2

EN

Enable (Input): Logic high enables operation of the regulator. Logic low

will shut down the device. Do not leave floating.

3

3

SNS

output voltage.

4

-

NC

Not Internally Connected.

-

4

FB

Feedback: Connect a resistor divider from the output to ground to set the

output voltage.

5

5

PG

Power Good: Open drain output for the power good indicator. Use a pull-

up resistor from this pin to a voltage source to detect a power good

condition.

6

6

SS

Soft Start: Place a capacitor from this pin to ground to program the soft

7

7

AGND

Analog Ground: Connect to central ground point where all high current

8,9

8,9

VIN

Input Voltage: Connect a capacitor to ground to decouple the noise.

10

10

PGND

Power Ground.