LT205A
s
Electrical Characteristics
(T
a
=25C)
Operating supply voltage
Output current
Output saturation voltage
Output cut-off current
Operating magnetic flux density
Symbol
V
CC
I
OUT
V
OUT
I
OC
B
1
Conditions
V
CC
=12V, I
O
=0.5A
V
O
=55V
MIN.
8
-
-
-
-10
TYP.
-
-
-
-
-
MAX.
28
(0.5)
(1.5)
30
-
Unit
V
A
V
A
mT
Parameter
B
2
-
-
10
mT
s
Outline Dimentions
(Unit : Fmm)
GaAs Hall IC for Fan Motor with
Variable Speed by Temperature
s
Block diagram
205
S
Y
1
6
12
7
0.8
5.0
0.15
4.4
6.5
(5.05)
0.35
0.7
0.6
1 : C+
2 : C-
3 : NC
4 : C
EXT
5 : NC
6 : GND
1
7 : A
LOUT
8 : O
UT2
9 : O
UT1
10 : GND
2
11 : V
CC
12 : V
REG
Terminal connection
-
+
12
11
10
9
8
4
6
7
1
2
REG
V
CC
V
CC
C
EXT
Hall IC in the dotted line
Hall device
Temperature
control
circuit
Output time
control
Lock/automatic
reset
Rotation
detection
circuit
Thermistor
C-
C+
GND
1
A
LOUT
GND
2
O
UT1
O
UT2
V
REG
Fan Motor
0.1
F
Regulator
s
Applications
Brushless fan motor
Cooling fan motor for personal computers,word
processors, etc.
Directly cooling fan for cooling fin, PCB, etc.
s
Motor drive current vs. temperature (Example)
Output current
25C(*1)
45C(*2)
Thermistor ambient
temperature
*1,*2 Set at random
100%
50%
As for dimensions of tape-packaged products, refer to page 44 .
Hall IC
LT205A
(under development)
s
Features
Space saving mounting due to combining a Hall device
and a driver IC in a small 12-pin SOP package
Wind control depending on calorific value
Low noise
With automatic reset and alarm output function when a
motor is locked
Surface mount type (Taping: 1,000 pcs/reel)
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.
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