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PDF AH372 Data sheet ( Hoja de datos )
| Número de pieza | AH372 | |
| Descripción | INTERNAL PULL-UP HALL EFFECT LATCH | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AH372 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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AH372
INTERNAL PULL-UP HALL EFFECT LATCH
Description
AH372 is a single-digital-output Hall-Effect latch sensor with internal
pull-up resistor for high temperature operation. The device includes
an on-chip Hall voltage generator for magnetic sensing, an amplifier
to amplify Hall voltage, and a comparator to provide switching
hysteresis for noise rejection, and an output driver with a pull-up
resistor. An internal band-gap regulator provides a temperature
compensated supply voltage for internal circuits and allows a wide
operating supply range.
When the magnetic flux density (B) perpendicular to the package is
larger than operation point (BOP), output is switched on (OUT pin is
pulled low). The output state is held on until a magnetic flux density
reversal falls below BRP. When B is less than BRP, the output is
switched off.
The AH372 is available in SIP-3 (Ammo Pack), SIP-3 (Bulk Pack),
SC59 and SOT23 packages.
Features
Bipolar Hall Effect Latch Operation
2.2V to 20V Operating Range
Single Output with Built-in Pull-up Resistor
25mA output Sink Capability
-40°C to +125°C Operating Temperature
Industry Standard SIP-3 (Ammo Pack), SIP-3 (Bulk Pack), SC59
and SOT23 Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Pin Assignments
(Top View)
GND 2.
3. OUT
1. VDD
SC59 and SOT23
(Front View)
SIP-3 (Bulk Pack)
3. OUT
2. GND
1. VDD
Applications
Rotor Position Sensing for Motor Commutation
Encoder
Speed Measurement – RPM Monitor
Contact-Less Current Switch
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/quality/lead_free.html 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.
Typical Application Circuits
Driver
&
IA
IB
IC
Ia
Ib
Ic
Control Logic
HA
HB
HC
Hall Motor Driver
AH372
Document number: DS38853 Rev. 1 - 2
M
RPM sensing
Digital Hall Effect Sensor
M: Three Phase Hall Motor
3 Phase Hall Motor
1 of 12
www.diodes.com
August 2016
© Diodes Incorporated
1 page  
AH372
Thermal Performance Characteristics
(1) Package Types: SIP-3 (Ammo Pack) and SIP-3 (Bulk Pack)
TA (°C) 25 50 60 70 80 85 90 95 100 105 110 115 120 125 130 135 140 150
PD (mW) 550 440 396 352 308 286 264 242 220 198 176 154 132 110 88 66 44 0
PD (mW)
600
500
400
300
200
100
0
-040
Power Dissipation Curve
25 50 75
100 125 150
TA (°C)
(2) Package Types: SC59 and SOT23
TA (°C)
25
50 60 70 80 85
90 100 110 120 130 140 150
PD (mW) 230
184 166 147 129 120
110
92
74
55
37
18
0
PD (mW)
300
Power Dissipation Curve
200
100
0
-040 25 50 75 100 125 150
TA (°C)
AH372
Document number: DS38853 Rev. 1 - 2
5 of 12
www.diodes.com
August 2016
© Diodes Incorporated
5 Page 
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
(1) Package Type: SC59
Y
Z
C
XE
Dimensions
Z
X
Y
C
E
Value (in mm)
3.4
0.8
1.0
2.4
1.35
(2) Package Type: SOT23
Y
Y1
C
X X1
Dimensions
C
X
X1
Y
Y1
Value (in mm)
2.0
0.8
1.35
0.9
2.9
AH372
AH372
Document number: DS38853 Rev. 1 - 2
11 of 12
www.diodes.com
August 2016
© Diodes Incorporated
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AH372.PDF ] | |
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