FAN8408DTF Fairchild Semiconductor, FAN8408DTF Datasheet
FAN8408DTF
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FAN8408DTF Summary of contents
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... Built-in reverse current protection diode • Compact package: 8-SOP-225 Typical Applications • DC cooling fan motor ©2002 Fairchild Semiconductor Corporation www.fairchildsemi.com Description The FAN8408D is a monolithic integrated circuit, and suitable for DC cooling fan motors. 8-SOP-225 1 Ordering Information Device Package Operating Temp. FAN8408D 8-SOP-225 FAN8408DTF 8-SOP-225 Rev.1.0.4 ...
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FAN8408D Block Diagram OUT 1 B OUT GND 8 Pin Definitions Pin Number Pin Name 1 OUT OUT A 8 GND 2 ...
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Equivalent Circuits Description Pin No. OUT B 1 OUT IN+ 5 IN- 6 Internal Circuit 1 7 Commutation 2 Commutation Lock detector 3 & Automatic restart V LDCP V LDCL 5 Commutation 6 FAN8408D ...
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FAN8408D Absolute Maximum Ratings ( Parameter Maximum power supply voltage note1 Maximum power dissipation note1 Thermal resistance Maximum output voltage Maximum output current Hall output current Hall output withstanding voltage Maximum hall input ac level Operating temperature ...
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Air Speed & JA 350 300 250 200 150 100 Recommended Operating Conditions ( Parameter Function compensation operating voltage Electrical Characteristics (Ta= =12V unless otherwise specified) CC Parameter Supply current Lock detector ...
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FAN8408D Application Information 1. Lock Detection & Automatic Restart Hall Input Output V LDCL V LDCP FAN8408D features a lock detection and an automatic restart. The functions can be operated as follows. 1) When the hall signal stop switching, a ...
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Hall Amplifier Input Block FAN8408D The hall current ( determined by R1, R2 and R3 ------------------------------------ Where, the R2 is the impedance of hall sensor. An ...
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FAN8408D Operation Truth Table IN+ IN- High Low Low High Test Circuits LDC LDD OUT OUT High Low Low Low High High OUT GND B ...
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Typical Application Circuits OUT OUT V GND Precaution In case of improper connection (change between power and ground), diode is required to protect motor Commutation & Control & TSD FAN8408D ...
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FAN8408D Package Dimensions (Unit: mm) 10 8-SOP-225 ...
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FAN8408D 11 ...
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... FAN8408D DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ...