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AH337 Schematic ( Datenblatt PDF ) - Diodes Incorporated

Teilenummer AH337
Beschreibung SINGLE PHASE HALL EFFECT SWITCH
Hersteller Diodes Incorporated
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Gesamt 9 Seiten
		
AH337 Datasheet, Funktion
AH337
SINGLE PHASE HALL EFFECT SWITCH
Description
Pin Assignments
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.
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.
(Top View)
SIP-3L
3. OUT
2. GND
1. Vdd
(Top View)
GND 2.
SC59
3. OUT
1. Vdd
The AH337 is available in SIP-3L and SC59 packages.
Applications
Features
• 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)
• VCD/DVD Loader, CD/DVD ROM
• Cover Detector
• Speed Measurement
• Home Appliances
• Home Safety
Notes: 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
AH337
Document number: DS31050 Rev. 9 - 2
Vdd
AH337
GND
RL
Output
1 of 9
www.diodes.com
July 2010
© Diodes Incorporated






AH337 Datasheet, Funktion
Marking Information
(1) SIP-3L
Part Number
AH337
SINGLE PHASE HALL EFFECT SWITCH
(Top View)
337
Y WW X
Y : Year : 0~9
WW : Week : 01~52, "52" represents
52 and 53 week
X : Internal Code : A~Z : Green
a~z : Lead Free
(2) SC59 (Commonly known as SOT23 in Asia)
(Top View)
XX Y W X
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
Part Number
AH337
Package
SC59
Identification Code
P1
AH337
Document number: DS31050 Rev. 9 - 2
6 of 9
www.diodes.com
July 2010
© Diodes Incorporated

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