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PDF TLE4935 Data sheet ( Hoja de datos )
| Número de pieza | TLE4935 | |
| Descripción | Uni- and Bipolar Hall IC Switches for Magnetic Field Applications | |
| Fabricantes | Siemens Semiconductor Group | |
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Uni- and Bipolar Hall IC Switches for
Magnetic Field Applications
TLE 4905 G; TLE 4935 G
TLE 4935-2 G; TLE 4945-2 G
Features
• Temperature compensated magnetic performance
• Digital output signal
• For unipolar and alternating magnetic fields
• Large temperature range
• Protection against reversed polarity
• Output protection against electrical disturbances
SOT-89
Bipolar IC
Type
w TLE 4905 G
w TLE 4935 G
w TLE 4935-2 G
w TLE 4945-2 G
w New type
Ordering Code
Q62705-K402
Q62705-K404
Q62705-K405
Q62705-K403
Package
SOT-89
SOT-89
SOT-89
SOT-89
TLE 4905/35/35-2/45-2 (Unipolar/Bipolar Magnetic Field Switches) have been designed
specifically for automotive and industrial applications. Reverse polarity protection is
included on-chip as is output protection against negative voltage transients.
Typical applications are position/proximity indicators, brushless DC motor commutation,
rotational indexing etc.
Semiconductor Group
1
1998-04-29
1 page  
TLE 4905 G; TLE 4935 G
TLE 4935-2 G; TLE 4945-2 G
Functional Description Bipolar Type TLE 4935/35-2/45-2 (figure 5 and 6)
When a positive magnetic field is applied in the indicated direction (figure 5) and the
turn-on magnetic induction BOP is exceeded, the output of the Hall-effect IC will conduct
(Operate Point). The output state does not change unless a reverse magnetic field
exceeding the turn-off magnetic induction |BRP| is exceeded. In this case the output will
turn off (Release Point; figure 6).
+
Branded Side
Ι
S
N VQ
+-
VS
Figure 5 Sensor/Magnetic-Field Configuration
AES01231
B
BOP
0
BRP
Induction
t
VQ
VQH
VQL
t
AED01421
Figure 6 Switching Characteristics Bipolar Type
Output Voltage
Semiconductor Group
5
1998-04-29
5 Page 
TLE 4905 G; TLE 4935 G
TLE 4935-2 G; TLE 4945-2 G
If not otherwise specified, all curves reflect typical values at Tj = 25 °C and VS = 12 V.
Quiescent Current Difference
Saturation Voltage versus
versus Temperature
Output Current
1.0
AED01459
1.2
AED01461
∆Ι S
mA
∆Ι S = Ι SLow - Ι SHigh
VQ V
1.0
4.0 V <_ VS <_ 18 V
0.75 Ι Q = 40 mA
0.8
0.5 0.6 Tj = 125 ˚C
0.4
0.25
0.2 Tj = -40 ˚C
0
-40 0
50 100 150 ˚C 200
Tj
Quiescent Current versus
Junction Temperature
8
ΙS
mA
AED01249
VQ = High
6
4
VS = 18 V
VS = 4.0 V
2
0
-50 0 50 100 C 200
Tj
Semiconductor Group
0
0 20 40 60 mA 100
ΙQ
TLE 4905 Operate-and Release-Point
versus Junction Temperature
25 AED01424
B mT
4.0 V <_ VS <_18 V
20
B OPmax
15
B RPmax
B OPtyp
10
B RPtyp
B OPmin
5
B RPmin
0
-40 0
50 100 ˚C 200
Tj
11 1998-04-29
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet TLE4935.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
| TLE4935 | Uni- and Bipolar Hall IC Switches for Magnetic Field Applications | Siemens Semiconductor Group |
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