UNISONIC TECHNOLOGIES CO., LTD SK6406/G
2-PHASE DC-FAN MOTOR PRE-DRIVER IC
LINEAR INTEGRATED CIRCUIT
DESCRIPTION
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UNISONIC TECHNOLOGIES CO., LTD SK6406/G
2-PHASE DC-FAN MOTOR PRE-DRIVER IC
LINEAR INTEGRATED CIRCUIT
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
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* Dual Coil DC FAN Motor
ORDERING INFORMATION
Order Number Normal Lead Free Plating SK6406-S08-R SK6406L-S08-R SK6406-S08-T SK6406L-S08-T SK6406G-S08-R SK6406GL-S08-R SK6406G-S08-T SK6406GL-S08-T
Package SOP-8 SOP-8 SOP-8 SOP-8
Packing Tape Reel Tube Tape Reel Tube
www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd
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QW-R109-026,A
SK6406/G
PIN CONFIGURATION
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 6
QW-R109-026,A
SK6406/G
Vcc REGULATOR
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
OUT1 OUT2 CONTROL BLOCK Hysteresis amplifier
H+ H-
FG (SK6406G)
CT GND
LOCK PROTECTION AUTORESTART BLOCK
LOCK DET
RD (SK6406)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 6
QW-R109-026,A
SK6406/G
ABSOLUTE MAXIMUM RATINGS (Ta = 25℃)
PARAMETER
LINEAR INTEGRATED CIRCUIT
SYMBOL RATINGS UNIT ...