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AH3372 Schematic ( PDF Datasheet ) - Diodes

Teilenummer AH3372
Beschreibung HIGH VOLTAGE HIGH SENSITIVITY HALL EFFECT UNIPOLAR SWITCH
Hersteller Diodes
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Gesamt 15 Seiten
AH3372 Datasheet, Funktion
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






AH3372 Datasheet, Funktion
Typical Operating Characteristics (Cont.)
Supply Reverse Current
Output Switch On Voltage
Output Switch Leakage Current
AH3372
AH3372
Document number: DS38874 Rev. 1 - 2
6 of 15
www.diodes.com
July 2016
© Diodes Incorporated

6 Page









AH3372 pdf, datenblatt
Package Outline Dimensions (Cont.) (All dimensions in mm.)
Please see http://www.diodes.com/package-outlines.html for the latest version.
(3) Package Type: SIP-3 (Bulk Pack)
Sensor location to be added
a1
a2
B
P
A
EF
L
J
C
N
D
GH
a4
AH3372
SIP-3 (Bulk Pack)
Dim Min Max
A 3.9 4.3
a1 5Typ
a2 5Typ
a3 45Typ
a4 3Typ
B 2.8 3.2
C 1.40 1.60
D 0.33 0.432
E 0.40 0.508
F 0 0.2
G 1.24 1.30
H 2.51 2.57
J 0.35 0.43
L 14.0 15.0
N 0.63 0.84
P 1.55
-
All Dimensions in mm
PART
MARKING
SURFACE
1.90/2.10
Min/Max
0.63/0.84
0.27/0.48
1.05/1.25
Hall Sensor
PART
MARKING
SURFACE
123
Sensor Location To be updated
AH3372
Document number: DS38874 Rev. 1 - 2
12 of 15
www.diodes.com
July 2016
© Diodes Incorporated

12 Page





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