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PIN ASSIGNMENTS

3

2

4

5

1

GND

EN

SW

FB

TPS62220, TPS62221, TPS62222

TPS62223, TPS62224

TPS62228, TPS62229

SLVS491C – SEPTEMBER 2003 – REVISED SEPTEMBER 2004

DDC PACKAGE

(TOP VIEW)

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

EN

3

I

This is the enable pin of the device. Pulling this pin to ground forces the device into shutdown mode.

Pulling this pin to Vin enables the device. This pin must be terminated.

FB

4

I

This is the feedback pin of the device. Connect this pin directly to the output if the fixed output voltage

version is used. For the adjustable version, an external resistor divider is connected to this pin. The

internal voltage divider is disabled for the adjustable version.

GND

2

Ground

SW

5

I/O

Connect the inductor to this pin. This pin is the switch pin and is connected to the internal MOSFET

switches.

1

I

Supply voltage pin

4