Diodes AH180N Manuel d'utilisateur télécharger pdf

AH180N

Document number: DS32174 Rev. 4 - 2

1 of 8

www.diodes.com

August 2012

H180N

MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH

Description

The AH180N is a high sensitivity, micro power Omnipolar Hall Effect

switch IC designed for portable and battery powered equipment such

as cellular phones, PDA’ s and portable PC’ s. Based on two sensitive

Hall Effect plates and a chopper stabilized architecture the AH180N

provides a reliable solution over the whole operating range. To

support portable and battery powered equipment the design has been

optimized to operate over the supply range of 2.5V to 5.5V and

consumes only 24µA with a supply of 3V.

The single open drain output can switched on with either a North or

South pole of sufficient strength. When the magnetic flux density (B)

is larger than operate point (Bop) the output is switched on (pulled

low). The output is turned off when B becomes lower than the release

point (Brp). The output will remain off when there is no magnetic field.

Features

• Omnipolar (North or South pole) Operation

• High Sensitivity

• Single Open Drain Output

• Micropower Operation

• 2.5V to 5.5V Operating Range

• Chopper Stabilized Design Provides

 Superior Temperature Stability

 Minimal Switch Point Drift

 Enhanced Immunity to Stress

• Good RF Noise Immunity

• -40°C to +85°C Operating Temperature

• ESD (HBM) > 6KV

• SC59 (SOT23), TSOT23, and SOT553 Low Profile Packages

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

Pin Assignments

Applications

• Cover Switch in Clam-Shell or Slide Type Cellular Phones

• Display Switch for Portable PCs

• On/Off Switch for PDAs and Digital Cameras

• Contact-Less Switch in Consumer Products

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)

and <1000ppm antimony compounds.

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Résumé du contenu

AH180N Document number: DS32174 Rev. 4 - 2 1 of 8 www.diodes.com August 2012© Diodes Incorporated AH180NMICROPOWER OMNIPOLAR HALL-EFFECT SWITCH De

Page 2 - Cancelling

AH180N Document number: DS32174 Rev. 4 - 2 2 of 8 www.diodes.com August 2012© Diodes Incorporated AH180N Typical Applications Circuit AH180N2.5V t

Page 3

AH180N Document number: DS32174 Rev. 4 - 2 3 of 8 www.diodes.com August 2012© Diodes Incorporated AH180N Absolute Maximum Ratings (Note 4) (@TA = +

Page 4 - Performance Characteristics

AH180N Document number: DS32174 Rev. 4 - 2 4 of 8 www.diodes.com August 2012© Diodes Incorporated AH180N Magnetic Characteristics (Note 7 & 8)

Page 5 - Marking Information

AH180N Document number: DS32174 Rev. 4 - 2 5 of 8 www.diodes.com August 2012© Diodes Incorporated AH180N Ordering Information AH 180N - XX G - 7P

Page 6 - (2) Package Type: TSOT23

AH180N Document number: DS32174 Rev. 4 - 2 6 of 8 www.diodes.com August 2012© Diodes Incorporated AH180N Package Outline Dimensions (All dimensions

Page 7 - (3) Package Type: SOT553

AH180N Document number: DS32174 Rev. 4 - 2 7 of 8 www.diodes.com August 2012© Diodes Incorporated AH180N Package Outline Dimensions (Continued) (Al

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AH180N Document number: DS32174 Rev. 4 - 2 8 of 8 www.diodes.com August 2012© Diodes Incorporated AH180N IMPORTANT NOTICE DIODES INCORPORATED MAK

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