L295 Datasheet PDF | STMicroelectronics

STMicroelectronics L295

The L295 is a monolithic integrated circuit in a 15 b -lead Multiwatt® package; it incorporates all the O functions for direct interfacing between digital cir- cuitry and inductive loads. The output current is completely condu BLOCK DIAGRAM MULTIWATT15 ORDERING NUMBER: L295 trolled by means of a switch-ing technique allowing very efficient operation. The L295 is particularly suitable for applications such as hammer driving in matrix printers, step motor driving and electromagnet controllers.

Part No.	L295
Datasheet	L295 Download
Manufacturer	STMicroelectronics
Description	DUAL SWITCH-MODE SOLENOID DRIVER
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DESCRIPTION

s t(s) The L295 is designed to accept standard micro- processor logic levels at the inputs and can drive c 2 solenoids. Furthermore, it includes an enable input and dual supplies (for interfacing with peripherals running at a higher voltage than the logic). Obsolete Pro +VSS 10 VOLTAGE REGULATOR THERMAL SHUTDOWN C R 9 OSCILLATOR 1 +VS H2 DRIVER 1 +VS H1 DRIVER D3 15 R2 D4 L2 14 LOGIC CIRCUITS R Q FF2 S R Q FF2 S LOGIC CIRCUITS 2 D1 R1 D2 L1 3 L2 DRIVER L1 DRIVER RS2 13 4 VREF2 12 5 VREF1 11 7 6 8 Vin2 EN Vin1 D03IN1503 October 2003 1/7 L295

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit VS Supply voltage 50 V VSS VEN, Vi Logic supply voltage Enable and input voltage 12 V 7 V Vref Reference voltage 7 V Io Peak output current (each channel) - non repetitive (t = 100 µsec) 3 A - repetitive (80% on - 20% off; Ton = 10ms) 2.5 A - DC operation 2 A Ptot t(s) Tstg, Tj Total power dissipation (at Tcase = 75 ″C Storage and junction temperature 25 W - 40 to 150 °C t(s) - Obsolet...