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L6726ATR Datasheet(PDF) 7 Page - STMicroelectronics |
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L6726ATR Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 35 page L6726A Electrical specifications Doc ID 12754 Rev 4 7/35 3 Electrical specifications 3.1 Absolute maximum ratings Table 4. Absolute maximum ratings 3.2 Electrical characteristics VCC = 12 V; TA = -20 °C to +85 °C unless otherwise specified. Symbol Parameter Value Unit VCC to GND -0.3 to 15 V VBOOT to PHASE to GND 15 45 V VUGATE to PHASE to PHASE; t < 50ns to GND -0.3 to (VBOOT - VPHASE) + 0.3 -1 VBOOT + 0.3 V VPHASE to GND -8 to 30 V VLGATE to GND to GND; t < 50ns -0.3 to VCC + 0.3 -2.5 V FB, COMP to GND -0.3 to 3.6 V Table 5. Electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit Recommended operating conditions VCC Device supply voltage See Figure 1 4.1 13.2 V VIN Conversion input voltage 13.2 V VCC < 7.0 V 19.0 V Supply current and power-ON ICC VCC supply current UGATE and LGATE = OPEN 6 mA IBOOT BOOT supply current UGATE = OPEN; PHASE to GND 0.5 mA UVLO VCC Turn-ON VCC rising 4.1 V Hysteresis 0.2 V Oscillator FSW Main oscillator accuracy TA = 0 °C to +70 °C 243 270 297 kHz 225 270 315 ΔV OSC PWM ramp amplitude 1.1 V dMAX Maximum duty cycle 80 % |
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