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KA3903

Fairchild Semiconductor
Part Number KA3903
Manufacturer Fairchild Semiconductor
Description Power Window Motor Control IC
Published Feb 26, 2015
Detailed Description FAN8903(KA3903) Power Window Motor Control IC www.fairchildsemi.com Features • Protections - Human body protection wit...
Datasheet PDF File KA3903 PDF File

KA3903
KA3903

Overview
FAN8903(KA3903) Power Window Motor Control IC www.
fairchildsemi.
com Features • Protections - Human body protection with a simple switch - Over current protection with an integrator - Over voltage protection - Load dump protection - Reverse battery voltage protection • Low off-state quiescent current (150µA) • Adjustable output control time after car-key turn-off • Four selectable operating modes • Thermal shutdown (TSD) • Under voltage lockout Description The FAN8903 is a monolithic integrated circuit, suitable for a window motor control and sun roof motor control in automotive systems.
16-DIP-300A Typical Applications • Power Window • Sun Roof Ordering Information Device Package Operating Temperature FAN8903 16-DIP-300A −40°C ~ +90°C ©2001 Fairchild Semiconductor Corporation Rev.
1.
0.
2 Pin Assignments FAN8903(KA3903) VCC START DOWN UP M1 M2 OUT 2 PG GND VREF CT STEP F/C A/O CS OUT 1 16 15 14 13 12 11 10 9 FAN8903 12 34 5 67 8 Pin Definitions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name GND Vref CT STEP F/C A/O CS OUT 1 PG OUT 2 M2 M1 UP DOWN START VCC Pin Function Descrition Signal ground Voltage reference output (typ=5.
0V) Step / Auto pulse generator output Step bias signal input Full close signal input OP amp output Current sense signal input Up signal output Power ground Down signal output Selectable mode signal input 2 Selectable mode signal input 1 Up signal input Down signal input Start up signal input Supply voltage 2 FAN8903(KA3903) Internal Block Diagram Start 15 Start COMP + Vref1 − VCC 16 18.
6V UVLO Delay Up 13 Down 14 CS 7 A/O 6 F/C 5 TSD OVP Input Gate drive logic − + Vref2 Human protection Latch 1 Vref Delay DQ CLK Q Latch 2 GND 1 Mode selection Vref Delay DQ CLK Q 5V reference Vref3 + − Vref4 + − 12 11 M1 M2 2 Vref 8 OUT 1 10 OUT 2 9 PG 3 CT 4 Step 3 FAN8903(KA3903) Absolute Maximum Rating Parameter Supply voltage 1 Supply voltage 2: reverse bias Output current Power dissipation Opera...


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