MIC5162

Micrel, Inc.

M9999-092004

2

February 2005

Pin Description

Pin Number

Pin Name

Pin Function

1

VCC

Bias Supply Input. Apply 5V to this input for internal bias to the controller.

2

EN

Enable (Input): CMOS compatible input. Logic high = enable, logic low =

shutdown.

3

VDDQ

Input supply voltage.

4

VREF

Reference output equal to half of V

5

GND

Ground.

6

FB

Feedback input to the to the internal error amplifier.

7

Comp

Compensation (Output): Connect a capacitor to feedback pin for compensa-

tion of the internal control loop.

8LD

Low-side drive: Connects to the Gate of the external low side MOSFET.

9HD

High-side drive: Connects to the Gate of the external high side MOSFET.

10

N/C

Not internally connected.

Pin Configuration

GND

FB

6

5

1

VCC

EN

VDDQ

VREF

10 N/C

HD

LD

COMP

9

8

7

2

3

4

10-Lead MSOP