iW3688

AC/DC Advanced Digital Power Controller for

Single-Stage Dimmable LED Drivers

Rev. 1.1

Product Summary

© 2016 Dialog Semiconductor

www.dialog-semiconductor.com

3 of 6

27-Jan-2016

4 Pinout Description

Pin Number

Pin Name

Type

Pin Description

1

Analog Input

Rectified AC line voltage input.

2

CFG2

Analog Input

Used for dimming mode configuration. See the applications section for

additional information.

3

CFG1

Analog Input

Configures OTP threshold on start-up. See the applications section for

configuration information.

4

Power

Power supply for control logic.

5

AGND

Ground

Signal ground. It should be connected to the power ground on PCB.

6

PGND

Ground

Power ground.

7

Analog Input

Current sense.

8

Analog Input

Source voltage of MOSFET.

9

NC

No Connection Not internally connected.

10

CFG3

Analog Input

Used for dimming mode confirguration. See the applications section for

additional information.

11

CFG4

Analog Input

Used for dimming mode confirguration. See the applications section for

additional information.

12

NC

No Connection Not internally connected.

13

Analog Input

Drain voltage of MOSFET.

14

Analog Input

Input capacitor voltage after EMI filter.

iW3688

1

2

3

14

13

12

4

11

CFG2

CFG1

PGND

5

6

7

10

9

8

AGND

CFG4

NC

NC

CFG3

Figure 4.1 : 14-Lead SOIC-14 Package