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SDC281 Datasheet(PDF) 5 Page - Shaoxing Devechip Microelectronics Co., Ltd

Part # SDC281
Description  Smart Two-Phase DC Fan Driver
PDF  10 Pages
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Manufacturer  SDC [Shaoxing Devechip Microelectronics Co., Ltd]
Direct Link  http://www.sdc-semi.com/e/index.asp
Logo SDC - Shaoxing Devechip Microelectronics Co., Ltd

SDC281 Datasheet(HTML) 5 Page - Shaoxing Devechip Microelectronics Co., Ltd

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Datasheet
December, 2013 Rev. 1.1
5/10
©
2013 Shaoxing Devechip Microelectronics Co., Ltd.
www.sdc-semi.com
Smart Two-Phase DC Fan Driver
SDC281
Electrical Characteristics (Ta=25°C, VDD=12V, unless otherwise specified)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Supply current
IDD1
VDD=2.5V,output open
-
1
2
mA
IDD2
VDD=20V,output open
-
2
4
mA
Output saturation voltage
VSAT
VDD=12V, IOUT=300mA
-
200
300
mV
Output clamp voltage
VOUT-CLAMP
VDD=12V,output off
20
23
26
V
Leakage current of DO
IDOL
VDO=12V, B<BRP
-
120
200
uA
Leakage current of DOB
IDOBL
VDOB=12V, B>BOP
-
120
200
uA
Lock detection on time
tON
-
-
0.45
-
S
Lock detection off time
tOFF
-
-
3.2
-
S
Over temperature shutdown
TOTS
-
-
165
-
°C
Temperature hysteresis
-
-
-
30
-
°C
Table 4. Electrical Characteristics
Magnetic Characteristics (Ta=25°C, VDD=12V, unless otherwise specified)
Parameter
Symbol
Min
Typ
Max
Unit
Operating point
BOP
10
25
40
GS
Release point
BRP
-40
-25
-10
GS
Hysteresis
BHys
40
50
60
GS
Table 5. Magnetic Characteristics
Off-state
On-state
BH
BRP
BOP
0
VDO
N
S
BH
BRP
BOP
0
VDOB
Off-state
On-state
N
S
Figure 4. Magnetic Characteristics



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