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L6258EX Datasheet(PDF) 8 Page - STMicroelectronics |
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L6258EX Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 32 page Block diagram L6258EX 8/32 Figure 3. Thermal characteristics Table 4. Electrical characteristics (VS = 40V; VDD = 5V; Tj = 25°; unless otherwise specified.) Parameter Description Test condition Min. Typ. Max. Unit VS Supply voltage 12 40 V VDD Logic supply voltage 4.75 5.25 V VBOOT Storage voltage VS = 12 to 40V VS+6 VS+12 V VSense Max drop across sense resistor 1.25 V VS(off) Power off reset Off threshold 6 7.2 V VDD(off) Power off reset Off threshold 3.3 4.1 V IS(on) VS quiescent current Both bridges ON, no load 15 mA IS(off) VS quiescent current Both bridges OFF 7 mA IDD VDD operative current 15 mA Conditions Power Dissipated (W) T Ambient (˚C) Thermal J-A resistance (˚C/W) 5.3 70 15 4.0 70 20 2.3 70 35 pad layout + ground layers + 16 via hol PCB ref.: 4 LAYER cm 12 x 12 pad layout + ground layers PCB ref.: 4 LAYER cm 12 x 12 pad layout + 6cm2 on board heat sink PCB ref.: 2 LAYER cm 12 x 12 D02IN1370 0 0 2 4 6 8 15˚C/W 20˚C/W 35˚C/W 10 12 20 40 60 80 100 120 140 160 Ambient Temperature (˚C) D02IN1371 |
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