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XC6372E351PR Datasheet(PDF) 11 Page - Torex Semiconductor |
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XC6372E351PR Datasheet(HTML) 11 Page - Torex Semiconductor |
11 / 18 page 591 XC6371/6372/6373 Series PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS Output Voltage VOUT 4.875 5.000 5.125 V Maximum Input Voltage VIN 10 - - V Operation Start Voltage VST1 External Components Connected, IOUT=1mA - - 0.90 V Oscillation Start Voltage VST2 No external components, Apply voltage to VOUT, Lx:10kΩpull-up to 5V - - 0.80 V No Load Input Voltage IIN VIN=VOUT×0.8, IOUT=0mA(*1) - 12.8 25.7 μ A Supply Current 1 IDD1 Same as VST2, Apply output voltage×0.95 to VOUT - 80.2 133.8 μ A Supply Current 2 IDD2 Same as VST2, Apply output voltage×1.1 to VOUT - 8.2 16.5 μ A Lx Switch-On Resistance RSWON Same as IDD1, VLX=0.4V - 1.4 2.4 Ω Lx Leak Current ILXL No external components, VOUT =VLX=10V - - 1.0 μ A Oscillation Frequency FOSC Same as IDD1, Measuring of Lx waveform 85 100 115 kHZ Maximum Duty Ratio MAXDTY Same as IDD1, Measuring of Lx waveform 80 87 92 % PFM Duty Ratio (*4) PFMDTY Same as IDD1, Measuring of Lx waveform 10 17 25 % Lx Limit Voltage VLxLMT Same as IDD1, Apply output voltage to Lx, Voltage required to produce FOSC×2 0.7 - 1.3 V Efficiency EFFI - 85 - % Slow-Start Time TSS 4.0 10.0 20.0 ms XC6371/72E501PR VOUT=5.0V, FOSC=100kHz Ta=25℃ NOTE: Unless otherwise stated, connect VDD to VOUT, VIN=VOUT×0.6, IOUT=50mA. See Typical Application Circuits, Circuit 3. *1: The Schottky diode (SD) must be type MA2Q735, with reverse current (IR)<1.0μA at reverse voltage (VR)=10.0V.(XC6372E) *2: "Supply current 1" is the supply current while the oscillator is continuously oscillating. In actual operation the oscillator periodically operates which results in less average power consumption. The current actually provided by external VIN source is represented by "No Load Input Current (IIN)". *3: When PWM operates at PWM Mode. *4: When PFM operates at PFM Mode.(XC6372E) *5: When the VDD and VOUT pins are independently used, the voltage range at the VDD pin should be 2.2V to 10V. The IC operates from VDD=0.8V. However, output voltage and oscillation frequency are properly stabilized when VDD=2.2V or higher. ■ ELECTRICAL CHARACTERISTICS (Continued) |
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