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puts of the L298 are generated, in this example,from the IC L297Fig 9 shows an example of PCB designedfor theapplication of Fig 8, L298 ...to sense and control the current in steppingmotorsand similar devices When used in conjunctionwiththe L293, L298, L7150, L6114/L6115,the chip setforms a constant current drive for an inductiveload, L298 ...neededUseful are L293E, L298, L6203 and L6202 Thedevice is intended to drive DC-Motors in typewrit-ers, printers, plotters and general purpose indus-, L298 ...Using the UC3717 to drive the L298 provides a uniquelypackaged state-of-the-art high power stepper motor con-trol and drive See Figure 15Figure 8, L298 ...SN74ABT543APWRE4 ACTIVE TSSOP PW 24 2000 Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSNJ54ABT543AFK ACTIVE LCCC FK 28 1 TBD Call TI Level-NC-NC-NC, L298412345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012PS812703/17/98PI74ALVCH162260, L298a73 INTERNAL CURRENT AND THERMAL LIMITa73 OUTPUT LOW NOISE VOLTAGE 30μVRMS OVER 10Hz to 100KHza73 SVR OF 60dB AT 1KHz, 50dB AT 10KHz, L298made with minimal propagation delay The device is organized as one 8-bit switch When output enable (OE) is low, the switch is on and port A is connected to port B When OE is high, the switch is open and a high-impedance , L298values (not normal operating conditions) and are not valid simultaneously If these limits are exceeded, device functional operation is not implied,damage may occur and reliability may be affectedNB100ELT23Lhttp://onsemicom, L298limit at 65A (LT1076 = 26A) A 7-pin TO-220 package isalso available which allows current limit to be adjusteddown to zero In addition, full micropower shutdown canbe programmed See Application Note 44 for design, L298
