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PDF FAN8408D Data sheet ( Hoja de datos )
| Número de pieza | FAN8408D | |
| Descripción | 2 Phase Half Wave BLDC Motor Driver | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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www.fairchildsemi.com
FAN8408D
2 Phase Half Wave BLDC Motor Driver
Features
• A wide range of operation voltage: 4V to 15V
• Built-in motor lock detector.
• Automatic restart function
• Hall output for a motor speed detection
• Built-in thermal shut down circuits
• Built-in reverse current protection diode
• Compact package: 8-SOP-225
Description
The FAN8408D is a monolithic integrated circuit, and
suitable for DC cooling fan motors.
8-SOP-225
1
Typical Applications
• DC cooling fan motor
Ordering Information
Device
FAN8408D
FAN8408DTF
Package
8-SOP-225
8-SOP-225
Operating Temp.
−25°C ~ 85°C
−25°C ~ 85°C
©2002 Fairchild Semiconductor Corporation
Rev.1.0.4
1 page  
Air Speed & ΘJA
FAN8408D
350
300
250
200
150
100
50
0
0 12 3 45 6
Air Speed[m/s]
Recommended Operating Conditions (Ta = 25°C)
Parameter
Function compensation operating voltage
Symbol
VCC
Min.
4.0
Typ.
−
Max.
15.0
Unit
V
Electrical Characteristics
(Ta=25°C, VCC=12V unless otherwise specified)
Parameter
Supply current
Lock detector charging current
Lock detector discharging current
Lock detector charging/discharging ratio
Lock detector capacitor clamp voltage
Lock detector capacitor comparator voltage
Output low level voltage
Output leakage current
Output zener voltage
Hall output pin low level voltage
Hall output pin leakage current
Hall input dc range
Hall input offset
Symbol
ICC
ILDC
ILDD
RCD
VLDCL
VLDCP
VOL
IOL
VOZ
VHLL
IHLL
VHDC
VHOF
Conditions
When output is off.
VLD=1.8V
VLD=1.8V
RCD=ILDC/ILDD
-
-
IO=200mA
-
Clamp current=10mA
IO=10mA
-
-
VREF=6V
Min.
-
2.38
0.48
3.0
2.4
0.7
-
-
28
-
-
1
-10
Typ.
-
3.40
0.68
5.0
2.85
0.99
0.9
0
30
0.2
0
-
-
Max. Unit
3.0 mA
4.42 µA
0.88 µA
7.0 −
3.3 V
1.2 V
1.2 V
10 µA
32 V
0.5 V
10 µA
VCC-
2V
V
10 mV
5
5 Page 
FAN8408D
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet FAN8408D.PDF ] | |
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