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L6726A 데이터시트(PDF) 7 Page - STMicroelectronics |
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L6726A 데이터시트(HTML) 7 Page - STMicroelectronics |
7 / 24 page L6726A Electrical specifications 7/24 3 Electrical specifications 3.1 Absolute maximum ratings Table 4. Absolute maximum ratings 3.2 Electrical characteristics Symbol Parameter (1) 1. ESD immunity for FB pin is guaranteed up to ±1000V (Human Body Model) 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 (VCC = 12V; TA = -20°C to +85°C unless otherwise specified). 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 < 7.0V 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 ∆V OSC PWM ramp amplitude 1.1 V dMAX Maximum duty cycle 80 % |
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