MLX90285 datasheet(2/13 Pages) MELEXIS

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MLX90285

24V Low Noise Two-Coil Fan Driver

3901090285

Rev. 005

Page 2 of 14

DataSheet

Aug/14

Table of Contents

1 Functional Diagram....................................................................................................................................... 1

2 General Description....................................................................................................................................... 1

3 Glossary of Terms.......................................................................................................................................... 3

4 Absolute Maximum Ratings .......................................................................................................................... 3

5 Application Information ................................................................................................................................ 3

6 General Electrical Specifications .................................................................................................................... 4

7 Magnetic Specifications ................................................................................................................................ 5

8 Driver Output vs Magnetic Pole ..................................................................................................................... 5

9 Detailed General Description ......................................................................................................................... 5

10 Unique Features.......................................................................................................................................... 6

10.1 Active Soft Switching .................................................................................................................................................... 6

10.2 Best Performance to Noise compromise....................................................................................................................... 7

10.3 Two-Stage Thermal protection ..................................................................................................................................... 7

11 Performance Graphs.................................................................................................................................... 8

11.1 RDSON vs. TJ..................................................................................................................................................................... 8

11.2 RDSON vs. VDD .................................................................................................................................................................. 8

11.3 Magnetic parameters vs. TJ .......................................................................................................................................... 8

11.4 Magnetic parameters vs. VDD ....................................................................................................................................... 8

11.5 IDD vs. TJ......................................................................................................................................................................... 8

11.6 IDD vs. VDD ...................................................................................................................................................................... 8

11.7 VOL vs TJ ......................................................................................................................................................................... 9

11.8 Power dissipation vs. TA................................................................................................................................................ 9

12 Standard information regarding manufacturability of

Melexis products with different soldering processes ....................................................................................... 10

13 ESD Precautions ........................................................................................................................................ 10

14 Packages Information (Outline Drawing, Hall Plate location & Pinout) ....................................................... 11

14.1 VK Package (4-pin TO92) ............................................................................................................................................ 11

14.2 DC Package (8-pin narrow SOIC) ................................................................................................................................ 12

15 Disclaimer................................................................................................................................................. 14

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