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PDF SDC477 Data sheet ( Hoja de datos )
| Número de pieza | SDC477 | |
| Descripción | Switch Hall IC | |
| Fabricantes | SDC | |
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Switch Hall IC
Datasheet
SDC477
General Description
Features
The SDC477, is an integrated Hall sensor with H-bridged
Toutput driver designed for brushless DC motor
applications. The high sensitivity of Hall-effect sensor is
Nsuitable for motors from mini-type CPU coolers to
Eblowers and DC fans. Typical operation current is 250mA
OCUMand operating voltage range is wide.
One-chip hall sensor
Wide operating voltage range: 3.8V~20V
Output sink current up to 250mA
Output thermal shutdown protection
Package : TO-94
Applications
Brushless DC motor
Brushless DC fan
Revolution counting
Speed measurement
FIDENTIAL DTO-94
CON Figure 1. Package Type
SDC
December, 2013 Rev. 1. 2
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
1/8
www.sdc-semi.com
1 page  
Switch Hall IC
Datasheet
SDC477
Magnetic Characteristics (VCC=18V, unless otherwise specified)
VDO
VDOB
TBH BH
MENN BRP
OCUGrade A
DParameter
Operate point
LRelease point
IAGrade a
TParameter
Operate point
NRelease point
EGrade B
IDParameter
Operate point
FRelease point
NGrade C
OParameter
COperate point
Release point
CGrade D
DParameter
SOperate point
0 BOP
SN
BRP 0 BOP
Figure 4. Magnetic Characteristics
Symbol
B OP
B RP
Symbol
B OP
B RP
Symbol
B OP
B RP
Symbol
B OP
B RP
Symbol
B OP
Min
10
-41
Min
10
-70
Min
-
-70
Min
-
-90
Min
-
Max
41
-10
Max
70
-10
Max
70
-
Max
90
-
Max
110
S
Unit
GS
GS
Unit
GS
GS
Unit
GS
GS
Unit
GS
GS
Unit
GS
Release point
BRP -110 -
GS
Table 5. Magnetic Characteristics
December, 2013 Rev. 1. 2
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
5/8
www.sdc-semi.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SDC477.PDF ] | |
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