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AH373N-PL Datasheet(PDF) 1 Page - Anachip Corp |
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AH373N-PL Datasheet(HTML) 1 Page - Anachip Corp |
1 / 6 page AH266 High Voltage Hall Effect Latch This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev. 0.2 Jan 19, 2005 1/6 Features - On-chip Hall plate - Operating voltage: 4V~28V - Output current: 400mA(Continuous, 25 oC) - Reverse protection diode only for chip reverse power connecting (Note) - Output protection Zener breakdown Vz=62V(Typ) - Package: SIP-4L (Note) Protection diode only exists at power pin(1,4) output, not including pin (2,3). Application - Dual-coil Brush-less DC Motor - Dual-coil Brush-less DC Fan - Revolution Counting - Speed Measurement Pin Assignment 1. VCC 2. DO 4. GND 3. DOB General Description AH266 is an integrated Hall sensor with output drivers designed for electronic commutation of brush-less DC motor applications. The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and complementary darlington open-collector drivers for sinking large current loads. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range. If a magnetic flux density (B) is larger than operate point (Bop), DO turn on (low) and DOB turn off (high). The outputs state is latched prior to reach release point (Brp). if B< Brp, DO turn off and DOB turn on. AH266 is rated for operation over temperature range from -20 oC to 85 oC and voltage range from 4V to 28V. The devices are available in low cost die forms or rugged 4 pin SIP packages. Pin Configuration Name Description VCC Positive Power Supply DO Output Pin DOB Output Pin GND Ground Ordering Information AH266 X -X X X -X Packing Blank : Tube A : Taping P: SIP-4L Package Lead L : Lead Free Blank: Normal Wafer Body Magnetic Characteristics Blank or A~Z : if necessary to specify A or B |
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