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MA280 Datasheet (PDF) - Major-Power Technology Co., LTD.

MA280 Datasheet PDF - Major-Power Technology Co., LTD.
Part # MA280
Download  MA280 Download

File Size   123.64 Kbytes
Page   2 Pages
Manufacturer  MPOWER [Major-Power Technology Co., LTD.]
Direct Link  http://major-power.com.tw/
Logo MPOWER - Major-Power Technology Co., LTD.
Description Complementary Output Hall Effect Fan Driver

MA280 Datasheet (PDF)

Go To PDF Page Download Datasheet
MA280 Datasheet PDF - Major-Power Technology Co., LTD.

Part # MA280
Download  MA280 Click to download

File Size   123.64 Kbytes
Page   2 Pages
Manufacturer  MPOWER [Major-Power Technology Co., LTD.]
Direct Link  http://major-power.com.tw/
Logo MPOWER - Major-Power Technology Co., LTD.
Description Complementary Output Hall Effect Fan Driver

MA280 Datasheet (HTML) - Major-Power Technology Co., LTD.

MA280 Datasheet HTML 1Page - Major-Power Technology Co., LTD. MA280 Datasheet HTML 2Page - Major-Power Technology Co., LTD.

MA280 Product details

GENERAL DESCRIPTION
The MA280 is an integrated hall sensor with output drivers, mainly designed for
electronic commutation of brush-less DC Fan. This IC is using HV BCD process internally
includes the regulator, protecting diode, Hall plate, amplifier, comparator, and a pair of
complementary open-Drain outputs (DO, DOB).
While the magnetic flux density (B) is larger than operate point (Bop), DO will turn on
(low), and meanwhile DOB will turn off (high). Each output is latched until B is lower than
release point (Brp), and then DO, DOB transfer each state. For DC fan application,
sometimes need to test power reverse connection condition. Internal diode only protects
chip-side but not for coil-side. If necessary, add one external diode to block the reverse
current from coil-side.

 FEATURES
- On-Chip Hall Effect Sensor with Two Different Sensitivity and Hysteresis Settings
- Wide Operating Voltage Range: 4.0V~20V
- Output Sink Current up to 0.4A
- Built-in FG Output
- -40°C to 85°C Operating Temperature
- Low Profile SOT23-6F Package ( Green and Lead Free )




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