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KA3100D

Fairchild
Part Number KA3100D
Manufacturer Fairchild
Description Stepping Motor Driver
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA3100D Stepping Motor Driver Features • • • • • • • Built-in vertical PNP power transistors Wid...
Datasheet PDF File KA3100D PDF File

KA3100D
KA3100D

Overview
www.
fairchildsemi.
com KA3100D Stepping Motor Driver Features • • • • • • • Built-in vertical PNP power transistors Wide supply voltage range(VCC = 2.
5V ~ 7.
0V) Low saturation voltage (0.
4V@ 0.
4A) Built-in chip enable function Built-in shoot-through current protector Built-in thermal shutdown(TSD) function Built-in current-mode control circuit (IPEAK: 1A) Description The KA3100D is a monolithic integrated circuit designed for a two-phase stepping motor driver of a FDD system.
16-SOP-225 Typical Application • Floppy disk drive • Camera stepping motor • General stepping motor Ordering Information Device KA3100D KA3100DTF Package 16-SOP-225 16-SOP-225 Operating Temp.
−20 ~ +75°C −20 ~ +75°C Rev.
1.
0.
2 May.
2000.
©2000 Fairchild Semiconductor International 1 KA3100D Pin Assignments PGND OUT3 OUT4 CE2 VS2 IN2 NC 16 15 14 13 12 11 10 9 KA3100D 1 VCC 2 CE1 3 OUT1 4 VS1 5 OUT2 6 IN1 7 SGND 8 PGND Pin Definitions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name VCC CE1 OUT1 VS1 OUT2 IN1 SGND PGND NC NC IN2 OUT4 VS2 OUT3 CE2 PGND I/O I O O I I O O I Chip enable 1 Output 1 Power supply 1 Output 2 Input 1 Signal ground Power ground No connection No connection Input 2 Output 4 Power supply 2 Output 3 Chip enable 2 Power ground Pin Function Description Logic part supply voltage 2 NC KA3100D Internal Block Diagram 4 VS1 VCC 1 3 OUT1 IN1 6 Control Part1 CE1 2 5 OUT2 SGND 7 TSD & BIAS 8 PGND 13 VS2 14 IN2 11 Control Part2 OUT3 CE2 15 12 OUT4 16 PGND 10 NC 9 NC 3 KA3100D Absolute Maximum Ratings (Ta = 25°C) Parameter Supply voltage Power supply voltage Output voltage Input voltage Peak output current Continuous output current Power dissipation Junction temperture Storage temperature Operating temperature Symbol VCC(MAX) VS(MAX) VOUT(MAX) VIN(MAX) IO(PEAK) IO PD TJ TSTG TA Value 9.
0 9.
0 VS + Vef 7.
0 1 0.
4 0.
55 150 −40 ~ 125 −20 ~ 75 Unit V V V V A A W °C °C °C Power Dissipation Curve 1.
33 Power Dissipation : PD[W]...


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