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KA3027D2

Fairchild
Part Number KA3027D2
Manufacturer Fairchild
Description 4-Channel Motor Driver
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA3027D2 4-Channel Motor Driver Features • • • • • • 3-Channel Balanced TransformerLess(BTL) dri...
Datasheet PDF File KA3027D2 PDF File

KA3027D2
KA3027D2

Overview
www.
fairchildsemi.
com KA3027D2 4-Channel Motor Driver Features • • • • • • 3-Channel Balanced TransformerLess(BTL) driver 1-Channel forward-Reverse control DC motor driver Built-in thermal shutdown circuit Built-in mute circuit Operating supply voltage: 4.
5~5.
5V Corresponds to 3.
3V or 5V DSP Description The KA3027D2 is a monolithic IC, suitable for a 1-ch (forward.
reverse) control DC motor driver and a 3-ch motor driver which drives the focus actuator,tracking actuator, and sled motor of a CD-media system.
28-SSOPH-300 Typical Applications • Notebook compact disk ROM (CD-ROM) • Other portable compact disk media Ordering Information Device KA3027D2 Package 28-SSOPH-300 Operating Temp.
-35 °C ~ 85 °C -35 °C ~ 85 °C KA3027D2TF 28-SSOPH-300 Rev.
1.
0.
1 February.
2000.
©2000 Fairchild Semiconductor International 1 1 2 3 4 5 6 7 27 26 25 24 23 22 28 VCC DO4DO4+ VM3,4 PGND1 DO3DO3+ MUTE3 MUTE1,2 REF REV FWD CTL SGND Pin Assignments FIN (GND) KA3027D2 MUTE4 VM1,2 DO2DO2+ PGND2 DO1DO1+ FIN (GND) 2 21 8 9 10 11 12 13 14 IN3 20 19 18 17 16 15 OUT2 IN2.
2 IN2.
1 OUT1 IN1.
2 IN1.
1 KA3027D2 KA3027D2 Pin Definitions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name VCC DO4DO4+ VM3, 4 PGND1 DO3DO3+ MUTE4 VM1,2 DO2DO2+ PGND2 DO1DO1+ IN1.
1 IN1.
2 OUT1 IN2.
1 IN2.
2 OUT2 IN3 SGND CTL FWD REV REF MUTE1,2 MUTE3 I/O O O O O O O O O I I O I I O I I I I I I I Signal VCC Drive4 Output (-) Drive4 Output (+) BTL CH3, 4 Power VCC CH3, 4 Power Ground Drive3 Output (-) Drive3 Output (+) CH4 Mute BTL CH1, 2 Power VCC Drive2 Output (-) Drive2 Output (+) CH1,2 Power Ground Drive1 Output (-) Drive1 Output (+) OP-AMP CH1 Input (+) OP-AMP CH1 Input (-) OP-AMP CH1 Output OP-AMP CH2 Input (+) OP-AMP CH2 Input (-) OP-AMP CH2 Output OP-AMP CH3 Input Signal Ground Pin Function Description CH4 Motor Speed Control CH4 Forward CH4 Reverse Bias Voltage Input CH1, 2 Mute CH3 Mute 3 KA3027D2 Internal Block Diagram MUTE1,2 MUTE3 SGND OUT2 ...


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