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AH373V-PLA

AH373V-PLA

  • 厂商:

    ANACHIP

  • 封装:

  • 描述:

    AH373V-PLA - Internal Pull-up Hall Effect Latch - Anachip Corp

  • 数据手册
  • 价格&库存
AH373V-PLA 数据手册
AH266 High Voltage Hall Effect Latch Features - On-chip Hall plate - Operating voltage: 4V~28V - Output current: 400mA(Continuous, 25oC) - 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). 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 -20oC 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. Application - Dual-coil Brush-less DC Motor - Dual-coil Brush-less DC Fan - Revolution Counting - Speed Measurement Pin Assignment 4. GND 3. DOB 2. DO 1. VCC Pin Configuration Name VCC DO DOB GND Description Positive Power Supply Output Pin Output Pin Ground Ordering Information AH266 X - X X X - X Wafer Body Blank or A~Z : if necessary to specify Package P: SIP-4L Lead L : Lead Free Blank: Normal Packing Blank : Tube A : Taping Magnetic Characteristics A or B 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 AH266 High Voltage Hall Effect Latch Block Diagram VCC 1 DO REG. Hall Plate Amp DOB Typical Application Circuit 266 coil1 coil2 1 Vcc 2 3 4 Brush-less DC Fan Note: This application circuit can’t protect reverse coil current if power is connecting reverse. Anachip Corp. www.anachip.com.tw 2/6 Rev 0.2 Jan 19, 2005 AH266 High Voltage Hall Effect Latch Absolute Maximum Ratings (at Ta = 250C ) Parameter Supply voltage Output “OFF ” voltage Output “ON” current Magnetic flux density Operating temperature range Storage temperature range Power dissipation (Note 2) Thermal Resistance Note 1: Io(con) is 150 mA at 85°C 2: See Performance Characteristic for other conditions Symbol VCC Vout (off) Io (con) Io (hold) Io (peak) B Top Tstg PD θjc Rating 28 28 400 (Note 1) 500 700 Unlimited -20~+85 -65~+150 550 227 Unit V V mA mA mA Gauss °C °C mW °C/W Electrical Characteristics ( Ta = 25°C ) Characteristic Supply Voltage Output Zener Breakdown Output Saturation Voltage Output Leakage Current Supply Current Output Rise Time Output Falling Time Switch Time Differential Symbol Vcc Vz Vce(sat) Icex Icc tr tf ∆t Conditions - Output Turn off Vcc=24V, Ic=400mA Vce=24V, Vcc=24V Vcc=24V, Output Open Vcc=24V, RL=820Ω, CL=20pF Vcc=24V, RL=820Ω, CL=20pF Vcc=24V, RL=820Ω, CL=20pF Min 4 54 - - - - - - Typ - 62 1.1 < 0.1 5 1.0 1.0 3.0 Max 28 70 1.5 10 10 5 1.5 10 Unit V V V µA mA µs µs µs Test Circuit 24V 266 Vout1(DO) RL1 Vout2(DOB) RL2 RL1=RL2=820 Ohm CL1=CL2=20 pF CL1 CL2 Anachip Corp. www.anachip.com.tw 3/6 Rev 0.2 Jan 19, 2005 AH266 High Voltage Hall Effect Latch Magnetic Characteristics (Ta=+25oC) (1mT = 10 Gauss) A grade Characteristic Operate Point Release Point Hysteresis B grade Characteristic Operate Point Release Point Hysteresis Symbol Bop Brp Bhy Symbol Bop Brp Bhy Min. 10 -70 Min. -100 Typ. 80 Typ. 80 Max. 70 -10 Max. 100 Unit Gauss Gauss Gauss Unit Gauss Gauss Gauss DOB Output Voltage in Volts Output Voltage in Volts DO Turn on Bhy Turn off Turn off Bhy Turn on Vsat Brp 0 Bop Magnetic Flux Density in Gauss Vsat Brp 0 Bop Magnetic Flux Density in Gauss Performance Characteristics (SIP-4L) Ta (°C) Pd (mW) Ta (°C) Pd (mW) Pd (mW ) 600 500 400 300 200 100 0 0 15 30 45 60 75 25 550 105 198 50 440 110 176 60 396 115 154 70 352 120 132 80 308 125 110 85 286 130 88 90 264 135 66 95 242 140 44 100 220 150 0 P ower Dissipation Curve 85 90 105 120 135 150 Ta (。 C) Anachip Corp. www.anachip.com.tw 4/6 Rev 0.2 Jan 19, 2005 AH266 High Voltage Hall Effect Latch Operation Characteristics DO ( Output Voltage ) S Marking side Vcc High Vd Bhy Low N ( SIP4 ) N Vsat Brp 0 Bop S ( Magnetic flux density ) Marking Information ( Front View ) Part Number 266 X XX X X Blank: normal L: Lead Free Package ID Code: A ~ Z Nth week: 01~52 Year: "1" = 2001 "2" = 2002 Anachip Corp. www.anachip.com.tw 5/6 Rev 0.2 Jan 19, 2005 AH266 High Voltage Hall Effect Latch Package Information Active Area Depth Marking side 1.046mm Package Sensor Location 1.971mm 0.7mm 1 2 3 4 Package Dimension 5 -7 1.55mm +/-0.1mm 1.03mm +/-0.1 0.30mm +/-0.1mm 3 -5 o o o 14.25mm +/-1.25mm 0.38mm +/-0.03mm o 3.65mm +/-0.1mm 0.46mm +/-0.03mm 0.41mm +/-0.03mm 3.81mm +/-0.03mm 5 -7 o o 3 -5 o o 5.22mm +/-0.1mm 4.20mm +/-0.1mm 0.2mm Max. 1.42mm+/-0.1mm 1.27mm +/-0.03mm Anachip Corp. www.anachip.com.tw 6/6 Rev 0.2 Jan 19, 2005
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