iW1815 Product Summary

Off-Line Digital Green-Mode PWM Controller

Integrated with Power BJT

Rev. 0.1 Preliminary

iW1815

© 2015 Dialog Semiconductor (UK) Ltd.

Product Summary

3 of 6

4.0 Pinout Description

iW1815

1

2

4

5

6

7

8

NC

VCC

C

E

ISENSE

GND

VSENSE

Figure 4.1: 7-Lead PDID Package

Pin #

Name

Type

Pin Description

1

NC

No

Conneciton No connection.

2

Power Input Power supply for control logic.

4

C

BJT Collector Collector of internal BJT.

5

E

BJT Emitter Emitter of internal BJT (pin 5 and pin 6 must be shorted externally on the

PCB).

6

Analog Input Primary current sense. Used for cycle-by-cycle peak current control and

current limit.

7

GND

Ground

Ground.

8

Analog Input Auxiliary voltage sense (used for primary-side regulation).