iW3627

Off-Line Digital Constant-Voltage

LED Driver with Power Factor Correction

Rev. 1.3

Product Summary

© 2017 Dialog Semiconductor

www.dialog-semiconductor.com

4 of 7

28-April-2017

4 Pinout Description

Figure 4.1 : 6-Lead SOT23 Package

Pin Number

Pin Name

Type

Pin Description

1

Power Input

Power supply to control logic and MOSFET drive.

2

Analog Input

and to enable/disable over-load protection (OLP) at the beginning of start-up.

It also provides output voltage sense for primary regulation during normal

operation.

3

Analog Input

Multi-function pin. Used to control active start-up device and sense line

voltage.

4

Analog Input

the beginning of the start-up. It also provides primary current sense for cycle-

by-cycle peak current control and limit during normal operation.

5

GND

Ground

Ground.

6

OUTPUT

Output

Gate drive for external MOSFET switch.

iW3627

V

CC

FB/F

MAX

V

IN

OUTPUT

GND

CS/F

MIN

1

2

3

6

4

5