lt205a Sharp Microelectronics of the Americas, lt205a Datasheet
lt205a
Manufacturer Part Number
lt205a
Description
Gaas Hall Motor With Variable Speed Temperature
Manufacturer
Sharp Microelectronics of the Americas
Datasheet
1.LT205A.pdf
(1 pages)
Hall IC
LT205A
¡Space saving mounting due to combining a Hall device
¡Wind control depending on calorific value
¡Low noise
¡With automatic reset and alarm output function when a
¡Surface mount type (Taping: 1,000 pcs/reel)
¡Brushless fan motor
¡ Cooling fan motor for personal computers,word
¡Directly cooling fan for cooling fin, PCB, etc.
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices
shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device spcification sheets before using any SHARP device.
and a driver IC in a small 12-pin SOP package
motor is locked
processors, etc.
Operating supply voltage
Output current
Output saturation voltage
Output cut-off current
Operating magnetic flux density
Features
Applications
Motor drive current vs. temperature (Example)
Block diagram
Electrical Characteristics
Thermistor
100%
0.1 F
50%
*1,*2 Set at random
1
2
Parameter
Hall device
C+
C-
25˚C(*1)
Temperature
Output time
control
control
circuit
-
+
C
Lock/automatic
Rotation
detection
circuit
reset
EXT
4
(under development)
REG
GND
Hall IC in the dotted line
6
45˚C(*2)
1
Regulator
A
7
LOUT
Symbol
Thermistor ambient
temperature
V
12
11
10
I
9
V
8
I
OUT
B
B
OUT
OC
V
CC
O
GND
O
1
2
Fan Motor
V
UT1
UT2
CC
REG
2
V
V
V
CC
CC
O
=55V
=12V, I
O
=0.5A
Conditions
As for dimensions of tape-packaged products, refer to page 44 .
Outline Dimentions
Terminal connection
0.8
12
1
GaAs Hall IC for Fan Motor with
Variable Speed by Temperature
1 : C+
2 : C-
3 : NC
4 : C
5 : NC
6 : GND
205
S
5.0
Y
EXT
1
MIN.
-10
10 : GND
11 : V
12 : V
8
-
-
-
-
7
6
7 : A
8 : O
9 : O
0.35
LOUT
UT2
UT1
CC
REG
0.7
0.6
2
TYP.
-
-
-
-
-
-
MAX.
(0.5)
(1.5)
28
30
10
(Unit : Fmm)
-
0.15
LT205A
(T
a
=25˚C)
Unit
mT
mT
V
A
V
A
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