L298 STMicroelectronics, L298 Datasheet
L298
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L298 Summary of contents
Page 1
... OVERTEMPERATURE PROTECTION LOGICAL ”0” INPUT VOLTAGE UP TO 1.5 V (HIGH NOISE IMMUNITY) DESCRIPTION The L298 is an integrated monolithic circuit in a 15- lead Multiwatt and PowerSO20 packages high voltage, high current dual full-bridge driver de- signed to accept standardTTL logic levels and drive inductive loads such as relays, solenoids, DC and stepping motors ...
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... L298 ABSOLUTE MAXIMUM RATINGS Symb ol V Power Supply S V Logic Supply Voltage Input and Enable Voltage Peak Output Current (each Channel ) O – Non Repetitive (t = 100 s) –Repetitive (80% on –20% off; t –DC Operation V Sensing Voltage sens P Total Power Dissipation (T tot case ...
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... –0.6V SS –0 –0. 0. ( (5) 1. (5) L –1 (1) L298 Typ . Max. Unit +2 4 1.5 V 2.3 VSS V – 100 A 1 ...
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... L298 ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Source Current Turn-off Delay Source Current Fall Time Source Current Turn-on Delay Source Current Rise Time Sink Current Turn-off Delay Sink Current Fall Time ...
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... Figure 3 : Source Current Delay Times vs. Input or Enable Switching. Figure 4 : Switching Times Test Circuits. Note : For INPUT Switching, set For ENABLE Switching, set L298 5/13 ...
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... L298 Figure 5 : Sink Current Delay Times vs. Input 0 V Enable Switching. Figure 6 : Bidirectional DC Motor Control. 6/ nctio Forward Reverse Fast Motor Stop Free Running en Motor Stop L = Low H = High X = Don’t care ...
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... Figure 7 : For higher currents, outputs can be paralleled. Take care to parallel channel 1 with channel 4 and channel 2 with channel 3. APPLICATION INFORMATION (Refer to the block diagram) 1.1. POWER OUTPUT STAGE TheL298integratestwo poweroutputstages(A ; B). The power output stage is a bridge configuration and its outputs can drive an inductive load in com- mon or differenzialmode, dependingon the state of the inputs ...
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... This solution can drive until 3 Amps In DC operation and until 3.5 Amps of a repetitive peak current. OnFig shownthe driving ofa twophasebipolar stepper motor ; the needed signals to drive the in- puts of the L298 are generated, in this example, from the IC L297. Fig 9 shows an example of P.C.B. designed for the application of Fig 8. ...
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... Figure 9 : Suggested Printed Circuit Board Layout for the Circuit of fig. 8 (1:1 scale). Figure 10 : Two Phase Bipolar Stepper Motor Control Circuit by Using the Current Controller L6506. R and R depend from the load current R sense L298 9/13 ...
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... L298 mm DIM. MIN. TYP. MAX. MIN 2. 0.49 0.55 0.019 F 0.66 0.75 0.026 G 1.02 1.27 1.52 0.040 G1 17.53 17.78 18.03 0.690 0.700 H1 19.6 0.772 H2 20.2 L 21.9 22.2 22.5 0.862 L1 21.7 22.1 22.5 0.854 L2 17.65 18.1 0.695 L3 17.25 17.5 17.75 0.679 0.689 L4 10.3 10.7 10.9 0.406 L7 2.65 2.9 0.104 M 4.25 4.55 4.85 0.167 0.179 M1 4.63 5.08 5.53 0.182 0.200 S 1.9 2.6 0.075 S1 1.9 2.6 0.075 Dia1 3.65 3.85 0.144 10/13 inch OUTLINE AND TYP. MAX. MECHANICAL DATA 0.197 0.104 0.063 ...
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... G1 17.57 17.78 17.91 0.692 0.700 H1 19.6 0.772 H2 20.2 L 20.57 0.810 L1 18.03 0.710 L2 2.54 0.100 L3 17.25 17.5 17.75 0.679 0.689 L4 10.3 10.7 10.9 0.406 0.421 L5 5.28 0.208 L6 2.38 0.094 L7 2.65 2.9 0.104 S 1.9 2.6 0.075 S1 1.9 2.6 0.075 Dia1 3.65 3.85 0.144 OUTLINE AND MAX. MECHANICAL DATA 0.197 0.104 0.063 0.022 0.030 0.055 0.705 0.795 0.699 0.429 0.114 0.102 Multiwatt15 H 0.102 0.152 L298 11/13 ...
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... L298 mm DIM. MIN. TYP. MAX. MIN. A 3.6 a1 0.1 0.3 0.004 a2 3 0.1 0.000 b 0.4 0.53 0.016 c 0.23 0.32 0.009 D (1) 15.8 16 0.622 D1 9.4 9.8 0.370 E 13.9 14.5 0.547 e 1.27 e3 11.43 E1 (1) 10.9 11.1 0.429 E2 2.9 E3 5.8 6.2 0.228 G 0 0.1 0.000 H 15.5 15.9 0.610 h 1.1 L 0.8 1.1 0.031 N 10 (max.) 8 (max (1) ”D and F” do not include mold flash or protrusions. - Mold flash or protrusions shall not exceed 0.15 mm (0.006”). ...
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... The ST logo is a registered trademark of STMicroelectronics 2000 STMicroelectronics – Printed in Italy – All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com L298 13/13 ...