SK6406L-S08-T [UTC]
2-PHASE DC-FAN MOTOR PRE-DRIVER IC; 两相直流风扇电机预驱动器IC
| 型号： | SK6406L-S08-T |
| 厂家： | 
Unisonic Technologies |
| 描述： | 2-PHASE DC-FAN MOTOR PRE-DRIVER IC |
| 文件： | 总6页 (文件大小：135K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
SK6406/G
LINEAR INTEGRATED CIRCUIT
2-PHASE DC-FAN MOTOR
PRE-DRIVER IC
DESCRIPTION
SK6406 is a 2-phase pre-driver IC for dc-fan motors, providing
the functions of motor lock protection, auto-restart, and rotation
detection signal output. SK6406 is with RD option and SK6406G
with FG.
SOP-8
FEATURES
* Wide supply voltage range of 2.5V to 30V
* Lock protection
* Auto-restart when the motor lock is undone
* RD(latch-type lockup detection) output (SK6406)
* FG(frequency generator) output (SK6406G)
*Pb-free plating product number:
SK6406L/SK6406GL
APPLICATION
* Dual Coil DC FAN Motor
ORDERING INFORMATION
Order Number
Package
Packing
Normal
Lead Free Plating
SK6406-S08-R
SK6406-S08-T
SK6406G-S08-R
SK6406G-S08-T
SK6406L-S08-R
SK6406L-S08-T
SK6406GL-S08-R
SK6406GL-S08-T
SOP-8
SOP-8
SOP-8
SOP-8
Tape Reel
Tube
Tape Reel
Tube
www.unisonic.com.tw
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Copyright © 2005 Unisonic Technologies Co., Ltd
QW-R109-026,A
SK6406/G
LINEAR INTEGRATED CIRCUIT
PIN CONFIGURATION
UNISONIC TECHNOLOGIES CO., LTD
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QW-R109-026,A
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SK6406/G
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
Vcc
REGULATOR
OUT1
OUT2
H+
H-
CONTROL
BLOCK
Hysteresis
amplifier
FG
(SK6406G)
RD
LOCK PROTECTION
AUTORESTART
BLOCK
(SK6406)
CT
LOCK
DET
GND
UNISONIC TECHNOLOGIES CO., LTD
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SK6406/G
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Ta = 25℃)
PARAMETER
SYMBOL
VCC
RATINGS
2.5V ~ 30V
1.0 ~ Vcc-0.5
80
UNIT
V
Supply Voltage
Hall Input Common Mode Voltage Range
Circuit Current
VHIC
V
IOUT
mA
mW
℃
Power Dissipation
PD
700
Operating Ambient Temperature
Storage Temperature
TOPR
TSTG
-20 ~ +85
-55 ~ +150
℃
Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS (Ta=25℃, VCC=12V)
PARAMETER
SYMBOL
ICC
TEST CONDITIONS
MIN TYP MAX UNIT
CT=L
CT=H
3.2
3.2
8.7
5
mA
mA
uA
Current Drain
In drive mode
Lockup Detection Capacitor Charge Current
Capacitor Discharge Current
Charge/Discharge Ratio
ICT1
ICT2
VCT= 1.1V
VCT= 1.1V
RCD=ICT1/ICT2
2
3.45 5.25
0.35 0.8 1.45
uA
RCT
VCT1
VCT2
VOL
3
4.5
2.6
8
3
CT Charge Voltage
2.2
0.4
10
V
V
V
CT Discharge Voltage
0.6
0.8
Output High Level Voltage
IOUT= 10 mA
10.5
Zero peak value
(including offset and hysteresis)
Hall Input Sensitivity
VHin
3
15
mV
V
RD Output Pin Low Voltage
(SK6406)
VRDL IRD=5mA
0.1
0.1
0.3
RD Current Capacity
(SK6406)
IRD
VRDL=2V
IFG=5mA
20
20
mA
V
FG Low Voltage
(SK6406G)
VFGL
0.3
50
FG Driver Capacity (SK6406G)
FG Leakage Current (SK6406G)
IFG
VFGL=2V
mA
uA
IFGL
VFGL=15V
UNISONIC TECHNOLOGIES CO., LTD
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SK6406/G
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUIT(SK6406)
*Same value of hall bias resistors is selected for R1 and R2
LOCKUP PROTECTION / AUTOMATIC RECOVERY
UNISONIC TECHNOLOGIES CO., LTD
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SK6406/G
LINEAR INTEGRATED CIRCUIT
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
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