AH337 SINGLE PHASE HALL EFFECT SWITCH Description Pin Assignments (Top View) AH337 is an unipolar Hall-Effect sensor for contactless switching applications. The device includes an on-chip Hall voltage generator for magnetic sensing, an amplifier that amplifies the Hall voltage, a Schmitt trigger to provide switching hysteresis for noise rejection, and an open-collector output. The band-gap regulator allows a wide operating voltage range. 3. OUT 2. GND 1. Vdd SIP-3L (Top View) When the magnetic flux density (B) is larger than operate point (Bop), output is switched on (OUT pin is pulled low). The output state is held on until a magnetic flux density falls below Brp. When B is less than Brp, the output is switched off. The AH337 is available in SIP-3L and SC59 packages. • SC59 • • • • • Unipolar Hall-Effect sensor 4.2V to 28V DC operating voltage Temperature compensation Open drain pre-driver 25mA maximum output sink current Operating temperature: -40°C to +125°C SIP-3L and SC59 packages (SC59 is commonly known as SOT23 in Asia) Green Molding Compound (No Br, Sb) (Note 1) Notes: 1. Vdd Applications Features • • • • • • • 3. OUT GND 2. VCD/DVD Loader, CD/DVD ROM Cover Detector Speed Measurement Home Appliances Home Safety 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. Typical Application Circuit 4.2V ~ 28 V Vdd RL AH337 Output GND AH337 Document number: DS31050 Rev. 9 - 2 1 of 9 www.diodes.com July 2010 © Diodes Incorporated AH337 SINGLE PHASE HALL EFFECT SWITCH Pin Descriptions Pin Name P/I/O Pin # Vdd GND OUT P P O 1 2 3 Description Positive Power Supply Ground Output Pin Functional Block Diagram Vdd 1 Regulator Hall plate 23 OUT 2 GND Amp Absolute Maximum Ratings (TA = 25°C) Symbol Vdd B VDS Id TS TJ(MAX) PD Characteristics Supply Voltage Magnetic Flux Density Output OFF Voltage Output “ON” Current Storage Temperature Range Maximum Junction Temperature Package Power Dissipation Continuous SIP-3L SC59 Values 30 Unlimited 30 25 -65~+150 150 550 230 Unit V V mA °C °C mW mW Recommended Operating Conditions Symbol Vdd TA Notes: Parameter Supply Voltage (Note 2) Operating Ambient Temperature Conditions Operating Operating Min 4.2 -40 Max 28 125 Unit V °C 2. The output of IC will be switched after the supply voltage is over 4.2V, but the magnetic characteristics won't be normal until the supply is over 4.5V. AH337 Document number: DS31050 Rev. 9 - 2 2 of 9 www.diodes.com July 2010 © Diodes Incorporated AH337 SINGLE PHASE HALL EFFECT SWITCH Electrical Characteristics (TA = 25°C, Vdd = 12V) Symbol VDS (SAT) Ioff Idd Characteristic Output Saturation Voltage Output Leakage Current Supply Current Test Conditions Iout = 10mA, B > Bop B < Brp Output Open Min - Typ. 300 < 0.1 2 Max 400 10 4 Unit mV uA mA Magnetic Characteristics (TA = 25°C, Vdd = 4.5V to 28V, Note 3) Symbol Bops(south pole to brand side) Brps(south pole to brand side) Bhy(|Bopx|-|Brpx|) Notes: Parameter Operation Point Release Point Hysteresis Min 90 30 - (1mT = 10 Gauss) Max Unit 150 Gauss 90 Gauss Gauss Typ. 120 60 60 3. Magnetic characteristics may vary with supply voltage, operating temperature and after soldering. Operating Characteristics S S Marking side Marking side N ( Output Voltage ) Output ( off -state ) B hy Turn on Turn off N ( on -state ) V SAT (SC59) 0 (SIP-3L) Vdd B rp B op ( Magnetic flux density B ) AH337 Document number: DS31050 Rev. 9 - 2 3 of 9 www.diodes.com July 2010 © Diodes Incorporated AH337 SINGLE PHASE HALL EFFECT SWITCH Performance Characteristics (1) SIP-3L TA (°C) PD (mW) TA (°C) PD(mW) 25 550 105 198 50 440 110 176 P D (m W ) 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 o w e r D is s ip a tio n C u rve 600 500 400 300 200 100 0 00 -4 25 50 75 100 125 150 T A (°C ) (2) SC59 (commonly known as SOT23 in Asia) TA (°C) 25 50 60 70 80 85 90 100 110 120 130 140 150 PD (mW) 230 184 166 147 129 120 110 92 74 55 37 18 0 P D (m W ) P o w e r D is s ip a tio n C u rv e 300 200 100 0 -400 25 50 75 100 125 150 T A (°C ) AH337 Document number: DS31050 Rev. 9 - 2 4 of 9 www.diodes.com July 2010 © Diodes Incorporated AH337 SINGLE PHASE HALL EFFECT SWITCH Ordering Information AH337 - X X - X Package P : SIP-3L W : SC59 Device AH337-PL-A AH337-PL-B AH337-PG-A AH337-PG-B AH337-WL-7 AH337-WG-7 Notes: Lead Free Packing L : Lead Free G : Green (Note 4) Bulk Package Packaging Part Code (Note 5, 6) Quantity Number Suffix P SIP-3L NA NA P SIP-3L 1000 -B P SIP-3L NA NA P SIP-3L 1000 -B W SC59 NA NA W SC59 NA NA A : Ammo Box (Note 7) B : Bulk (Note 8) 7 : Tape & Reel 7” Tape and Reel Ammo Box Part Part Quantity Number Quantity Number Suffix Suffix NA NA 4000/Box -A NA NA NA NA NA NA 4000/Box -A NA NA NA NA 3000/Tape & Reel -7 NA NA 3000/Tape & Reel -7 NA NA 4. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. 5. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 6. Reverse taping as shown on Diodes Inc. Surface Mount (SMD) Packaging document AP02007, which can be found on our website http://www.diodes.com/datasheets/ap02007.pdf. 7. Ammo Box is for SIP-3L Spread Lead. 8. Bulk is for SIP-3L Straight Lead. AH337 Document number: DS31050 Rev. 9 - 2 5 of 9 www.diodes.com July 2010 © Diodes Incorporated AH337 SINGLE PHASE HALL EFFECT SWITCH Marking Information (1) SIP-3L (Top View) Y : Year : 0~9 WW : Week : 01~52, "52" represents 52 and 53 week X : Internal Code : A~Z : Green a~z : Lead Free 337 Part Number Y WW X (2) SC59 (Commonly known as SOT23 in Asia) (Top View) XX Y W X Part Number AH337 AH337 Document number: DS31050 Rev. 9 - 2 XX : Identification code Y : Year 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : A~Z : Green a~z : Lead Free Package SC59 6 of 9 www.diodes.com Identification Code P1 July 2010 © Diodes Incorporated AH337 SINGLE PHASE HALL EFFECT SWITCH Package Outline Dimensions (All Dimensions in mm) (1) Package Type: SIP-3L for Bulk pack 0.51mm NOM 2.00 +/0.10mm 1.15 +/0.10mm BRANDED SURFACE 1 Active Area Depth 2 3 Sensor Location Package Dimension AH337 Document number: DS31050 Rev. 9 - 2 7 of 9 www.diodes.com July 2010 © Diodes Incorporated AH337 SINGLE PHASE HALL EFFECT SWITCH Package Outline Dimensions (Continued) (2) Package Type: SIP-3L for Ammo pack (3) SC59 (Commonly known as SOT23 in Asia) TOP VIEW 1.50/ 1.70 0.35/0.50 2.70/ 3.00 1.90 2.90/3.10 1.00/ 1.30 0.10/0.20 0.013/0.10 0.95 0.35/0.55 0 O /8 O AH337 Document number: DS31050 Rev. 9 - 2 8 of 9 www.diodes.com July 2010 © Diodes Incorporated AH337 SINGLE PHASE HALL EFFECT SWITCH IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 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