Document Number: 002-08450 Rev. *B

Page 2 of 30

MB39C603

Contents

Description

................................................................................................................................................................... 1

Features

................................................................................................................................................................... 1

Applications

................................................................................................................................................................... 1

1.

Pin Assignment............................................................................................................................................................ 3

2.

Pin Descriptions........................................................................................................................................................... 3

3.

Block Diagram.............................................................................................................................................................. 4

4.

Absolute Maximum Ratings ........................................................................................................................................ 5

5.

Recommended Operating Conditions........................................................................................................................ 6

6.

Electrical Characteristics ............................................................................................................................................ 7

7.

Standard Characteristics............................................................................................................................................. 9

8.

Function Explanations............................................................................................................................................... 10

8.1

LED Current Control by PSR(Primary Side Regulation) .............................................................................................. 10

8.2

PFC (Power Factor Correction) Function .................................................................................................................... 11

8.3

Phase Dimming Function ............................................................................................................................................ 11

8.4

HOLD Current Control Function .................................................................................................................................. 12

8.5

Power-On Sequence ................................................................................................................................................... 13

8.6

Power-Off Sequence ................................................................................................................................................... 14

8.7

IP_PEAK Detection Function ........................................................................................................................................... 14

8.8

Zero Voltage Switching Function ................................................................................................................................. 14

8.9

Protection Functions.................................................................................................................................................... 15

9.

I/O Pin Equivalent Circuit Diagram ........................................................................................................................... 16

10.

Application Examples................................................................................................................................................ 18

10.1

17W Isolated and Phase Dimming Application ............................................................................................................ 18

11.

Usage Precautions..................................................................................................................................................... 26

12.

RoHS Compliance Information ................................................................................................................................. 26

13.

Ordering Information ................................................................................................................................................. 26

14.

Package Dimensions ................................................................................................................................................. 27

15.

Major Changes ........................................................................................................................................................... 28

Document History................................................................................................................................................................. 29

Sales, Solutions, and Legal Information............................................................................................................................. 30