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PDF AH3372 Data sheet ( Hoja de datos )
| Número de pieza | AH3372 | |
| Descripción | HIGH VOLTAGE HIGH SENSITIVITY HALL EFFECT UNIPOLAR SWITCH | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Description
The AH3372 is a high voltage high sensitivity Hall Effect Unipolar
switch IC designed for proximity, position and level sensing in
industrial and consumer home appliances and personal care
applications. To support wide range of demanding applications, the
design has been optimized to operate over the supply range of 3.0V
to 28V. With chopper stabilized architecture and an internal bandgap
regulator to provide temperature compensated supply for internal
circuits, the AH3372 provides a reliable solution over the whole
operating range. For robustness and protection, the device has a
reverse blocking diode with a Zener clamp on the supply. The output
has an over current limit and a Zener clamp.
AH3372
HIGH VOLTAGE HIGH SENSITIVITY
HALL EFFECT UNIPOLAR SWITCH
Pin Assignments
(TOP View)
GND 2
3 OUTPUT
1 VDD
SC59 and SOT23
The single open drain output can be switched on with South pole of
sufficient strength. When the magnetic flux density (B) perpendicular
to the package is larger than the operate point (BOP) the output is
switched on (pulled low) and is held on until magnetic flux density B is
lower than the release point (BRP). The output remains switched off for
North pole fields to or no magnetic fields.
The magnetic operating and release polarity is opposite for SOT23
and SC59 packages. The SOT23 and SIP-3 (Ammo Pack), SIP-3
(Bulk Pack) packages require south pole to the part marking side to
operate while SC59 requires south pole to the non-part marking side.
(TOP View)
SIP-3 (Bulk Pack)
3. OUTPUT
2. GND
1. VDD
Features
• Unipolar Operation
• High Sensitivity: BOP and BRP of +30G and +20G Typical
• Single Open Drain Output with Over Current Limit
• 3.0V to 28V Operating Voltage Range
• Chopper Stabilized Design Provides
o Superior Temperature Stability
o Minimal Switch Point Drift
o Enhanced Immunity to Stress
• Good RF Noise Immunity
• Reverse Blocking Diode
• Zener Clamp on Supply and Output Pins
• -40C to +125C Operating Temperature
• ESD: HBM ＞ 6kV
• Industry Standard SC59, SOT23 and SIP-3 (Ammo Pack), SIP-3
(Bulk Pack) Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
• Position and Proximity Sensing in Consumer Home Appliances,
Building Automation, Office Equipments and Industrial Applications
• Open and Close Detect
• Position Detect
• Level Detect
• Flow Meters
• Contact-less switches
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.
AH3372
Document number: DS38874 Rev. 1 - 2
1 of 15
www.diodes.com
July 2016
© Diodes Incorporated
1 page  
Typical Operating Characteristics
Output Switch Operate and Release Points (Magnetic Thresholds) – BOPS and BRPS
AH3372
Supply Current
AH3372
Document number: DS38874 Rev. 1 - 2
5 of 15
www.diodes.com
July 2016
© Diodes Incorporated
5 Page 
Package Outline Dimensions (Cont.) (All dimensions in mm.)
Please see http://www.diodes.com/package-outlines.html for the latest version.
(2) Package Type: SOT23
K1 K
H
A
All 7°
J
M
L
GAUGE PLANE
0.25
a
L1
CB
D
FG
AH3372
SOT23
Dim Min Max Typ
A 0.37 0.51 0.40
B 1.20 1.40 1.30
C 2.30 2.50 2.40
D 0.89 1.03 0.915
F 0.45 0.60 0.535
G 1.78 2.05 1.83
H 2.80 3.00 2.90
J 0.013 0.10 0.05
K 0.890 1.00 0.975
K1 0.903 1.10 1.025
L 0.45 0.61 0.55
L1 0.25 0.55 0.40
M 0.085 0.150 0.110
a 0° 8° --
All Dimensions in mm
Min/Max
PART
MARKING
SURFACE
Hall Sensor
Die
Pin1
1.4/1.5
Sensor Location – To be updated
AH3372
Document number: DS38874 Rev. 1 - 2
11 of 15
www.diodes.com
July 2016
© Diodes Incorporated
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet AH3372.PDF ] | |
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