ah337 single phase hall effect switch ah337 rev. 1 1 of 8 november 2006 www.diodes.com ? diodes incorporated lead-free lead-free ? 4.2v to 28v dc operation voltage ? temperature compensation ? wide operating voltage range ? open drain pre-driver ? 25ma maximum sinking output current ? lead free finish/rohs compliant for lead free products (note 1) ? package: sip-3l, sc59 ah337 is a switched hall-effect ic that is 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. if a magnetic flux density larger th an threshold bop, do is turned on (low). the output state is held until a magnetic flux density reversal falls below brp causi ng do to be turned off (high). ? vcd/dvd loader, cd/dvd rom ? cover detector ? speed measurement ? home appliances ? home safety ordering information ah337- x x x packing -b: bulk (note 4) -a: ammo box (note 3) p: sip-3l w: sc59 package lead l : lead free -7: taping note: 1. rohs revision 13.2.2003. glass and hi gh temperature solder exemptions applied, see eu directive annex notes 5 and 7 . note: 2. pad layout as shown on diodes inc. suggested pad layout document ap 02001, which can be found on our website at http:// www.diodes.com/datasheets/ap02001.pdf. 3. ammo box is for sip-3 spread lead. 4. bulk is for sip-3 straight lead. features general description applications tube/bulk 7? tape and reel ammo box device package code packaging (note 2) quantity part number suffix quantity part number suffix quantity part number suffix ah337-p p sip-3l 1000 -b na na 4000/box -a ah337-w w sc59 na na 3000/tape & reel -7 na na
ah337 single phase hall effect switch ah337 rev. 1 2 of 8 november 2006 www.diodes.com ? diodes incorporated (sip-3l package) 1. v dd 2. gnd 3. (top view) out (sc59 package) 1. v dd 3. gnd 2. out (top view) ah337 4.2v ~28v output v dd gnd l r pin assignments pin descriptions name p/i/o pin # description v dd p 1 positive power su pp l y gnd p 2 ground out o 3 output pin typical application circuit
ah337 single phase hall effect switch ah337 rev. 1 3 of 8 november 2006 www.diodes.com ? diodes incorporated functional block diagrams regulator hall plate amp 2 gnd out 3 2 v dd 1 absolute maximum ratings (t a = 25 o c) characteristics symbol values unit supply voltage v dd 30 v magnetic flux density b unlimited output off voltage v ds 30 v output ?on? current continuous i d 25 ma operating temperature range t a -40~+125 c storage temperature range t s -65~+150 c maximum junction temperature t j 150 c sip-3l 550 mw package power dissipation sc59 p d 230 mw electrical characteristics (t a = + 25 c, v dd = 12v) characteristic symbol test conditions min typ max units supply voltage v dd 4 .2(note 5) - 28 v output saturation voltage v ds (sat) i out = 10ma, b > bop - 300 400 mv output leakage current i off b < brp - < 0.1 10 ua supply current i dd output open - 2 4 ma note: 5. the output of ic will be switched after the supply voltage is over 4.2v, but the magn etic characteristics won't be n ormal until the supply is over 4.5v.
ah337 single phase hall effect switch ah337 rev. 1 4 of 8 november 2006 www.diodes.com ? diodes incorporated magnetic characteristics (t a = 25 c, v dd = 4.5v to 28v) (1mt = 10 gauss) parameter symbol min. typ. max. unit operation point bop 90 120 150 gauss release point brp 30 60 90 gauss hysteresis bhys - 60 - gauss marking side s (sip3) n marking side s (sc59) n b hys v dd (output voltage) b rp b op 0 (magnetic flux density b) output turn off turn on (off-state) (on-state) v sat v sat performance characteristics (sip-3l) t a ( c) 25 50 60 70 80 85 90 95 100 p d (mw) 550 440 396 352 308 286 264 242 220 t a ( c) 105 110 115 120 125 130 135 140 150 p d (mw) 198 176 154 132 110 88 66 44 0 power dissipation curve 0 100 200 300 400 500 600 0 25 50 75 100 125 150 t a (c) p d (m w )
ah337 single phase hall effect switch ah337 rev. 1 5 of 8 november 2006 www.diodes.com ? diodes incorporated performance characteristics (sc59) t a ( c) 25 50 60 70 80 90 100 110 120 125 130 140 150 p d (mw) 230 184 166 147 129 110 92 74 55 46 37 18 0 p ow er d issipation c urve 0 100 200 300 0 255075100125150 t a (c ) p d (m w ) marking information (1) sip-3l (2) sc59 y ww x (top view) y : year: ? 1 ? = 2001 ? 2 ? = 2002 ww : nth week 01~52 x : internal code a~z: lead free 337 1 2 3 xx y m x (top view) xx : p1: ah337 y : year 0~9 m : month a~l x : internal code a~z: lead free part number package identification code ah337 sc59 p1
ah337 single phase hall effect switch ah337 rev. 1 6 of 8 november 2006 www.diodes.com ? diodes incorporated package information ( unit: mm ) (1) package type: sip-3l active area depth sensor location 123 2.00mm 1.15mm 0.51mm nom branded surface package dimension
ah337 single phase hall effect switch ah337 rev. 1 7 of 8 november 2006 www.diodes.com ? diodes incorporated package information (continued) (2) package type: sip-3l for ammo pack-only (3) package type: sc59 0.35/0.50 0.10/0.20 0.013/0.10 0.35/0.55 0.95 2.70/ 3.00 2.90/3.10 1.00/ 1.30 1.50/ 1.70 1.90 top view 0/8
ah337 single phase hall effect switch ah337 rev. 1 8 of 8 november 2006 www.diodes.com ? diodes incorporated important notice life support diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or ot her changes without further notice to any product herein. diodes incorporated does not assume any liability arising out of the application or use of any pr oduct described herein; neither does it convey any license under its patent rights, nor the rights of others. the user of products in such applications shall a ssume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on our website, harmless against all dam ages. diodes incorporated products are not authorized for use as critical components in life support devices or systems without the e xpressed written approval of the president of diodes incorporated.
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