Document Number: 002-08404 Rev *A

Page 2 of 40

MB39C831

Contents

1.

Pin Assignments ....................................................................................................................................3

2.

Pin Descriptions .....................................................................................................................................4

3.

Block Diagram ........................................................................................................................................5

4.

Absolute Maximum Ratings ..................................................................................................................6

5.

Recommended Operating Conditions ..................................................................................................7

6.

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

6.1

Electrical Characteristics of Constant Voltage Mode

......................................................................7

6.2

Electrical Characteristics of Charge Mode

...................................................................................8

6.3

Electrical Characteristics of Boost DC/DC Converter

.....................................................................8

7.

Function ..................................................................................................................................................9

7.1

Outline of Operation

.................................................................................................................9

7.2

Start-up/Shut-down Sequence

...................................................................................................9

7.3

MPPT Control

.......................................................................................................................12

7.4

Function Description

..............................................................................................................14

8.

Typical Applications Circuit.................................................................................................................18

9.

Application Notes.................................................................................................................................21

10. Typical Characteristics ........................................................................................................................23

11. Layout for Printed Circuit Board .........................................................................................................28

12. Usage Precaution .................................................................................................................................29

13. Ordering Information............................................................................................................................29

14. Marking..................................................................................................................................................29

15. Product Labels .....................................................................................................................................30

16. Recommended Mounting Conditions .................................................................................................34

17. Package Dimensions............................................................................................................................36

Major Changes .............................................................................................................................................37