1

FB

2

SHDN

3

GND

4

SS

8

FSLCT

7

SW

5

6

LM3224

SNVS277C – DECEMBER 2004 – REVISED MARCH 2013

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Connection Diagram

Figure 1. 8-Lead Plastic VSSOP

Top View

Package Number DGK0008A

PIN DESCRIPTIONS

Pin

Name

Function

1

Compensation network connection. Connected to the output of the voltage error amplifier.

2

FB

Output voltage feedback input.

3

SHDN

Shutdown control input, active low. This pin has an internal pulldown resistor so the default condition

is off. The pin must be pulled high to turn on the device.

4

GND

Analog and power ground.

5

SW

Power switch input. Switch connected between SW pin and GND pin.

6

Analog power input.

7

FSLCT

8

SS

Soft-start Pin.

2

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