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PDF AH3761 Data sheet ( Hoja de datos )
| Número de pieza | AH3761 | |
| Descripción | High sensitivity Hall effect latch sensor | |
| Fabricantes | Diodes Incorporated | |
| Logotipo |  |
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AH3761
www.DataSheet4U.com
HIGH SENSITIVITY HALL EFFECT LATCH
Features
General Description
• 3V to 28V DC operation voltage
• Chopper stabilized
• Wide operating voltage range
• Built-in power reverse protection
• Built-in voltage overshoot protection
• Output short circuit protection
• Open drain pre-driver
• SIP3 and SC59 (Commonly known as SOT23 in Asia)
: Available in “Green” Molding Compound (No Br, Sb)
• Lead Free Finish/RoHS Compliant (Note 1)
Application
AH3761 is an integrated Hall effect latched sensor designed for
electronic commutation of brush-less DC motor applications. The
device includes an on-chip Hall voltage generator for magnetic
sensing, a comparator that amplifies the Hall voltage, and a
schmitt trigger to provide switching hysteresis for noise rejection,
and open drain output. An internal bandgap regulator is used to
provide temperature compensated supply voltage for internal
circuits and allows a wide operating supply range.
If a magnetic flux density larger than threshold Bop, DO is turned
on (low). The output state is held until a magnetic flux density
reversal falls below Brp causing DO to be turned off (high).
• Brush-less DC Motor Commutation
• RPM Detection
• Consumer and industrial position sensor
• Flow meters
Typical Application Circuit
Vdd
1
AH3761 3
2
R
Output
GND
AH3761 Rev. 1
1 of 9
www.diodes.com
SEPTEMBER 2009
© Diodes Incorporated
1 page  
AH3761
www.DataSheet4U.com
HIGH SENSITIVITY HALL EFFECT LATCH
Performance Characteristics
(1) SIP3
TA (°C)
PD (mW)
TA (°C)
PD (mW)
25 50 60 70 80 85 90 95 100
550 440 396 352 308 286 264 242 220
105 110 115 120 125 130 135 140 150
198 176 154 132 110 88 66 44
0
P D (m W )
600
500
400
300
200
100
0
-04 0
P ow e r D is s ipa tion C u rve
25 50 75 100 125 150
TA (°C )
(2) SC59 (Commonly known as SOT23 in Asia)
TA (°C) 25 50 60 70 80 90 100 110 120 125 130 140 150
PD (mW) 230 184 166 147 129 110 92 74 55 46 37 18 0
P D (m W )
300
Power D issipation C urve
200
100
0
- 400
25
50
75
100
125
150
TA (°C )
AH3761 Rev. 1
5 of 9
www.diodes.com
SEPTEMBER 2009
© Diodes Incorporated
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet AH3761.PDF ] | |
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