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XC6371DXX2PL Datasheet(PDF) 8 Page - Torex Semiconductor |
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XC6371DXX2PL Datasheet(HTML) 8 Page - Torex Semiconductor |
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8 / 14 page  XC6371 Series 444 4 XC6371D501PR Ta=25 °C VOUT=5.0V,FOSC=100kHZ 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-up Voltage VST1 External Components Connected. IOUT=1mA. 0.90 V Oscillation Start-up Voltage VST2 No external components. Apply voltage to Vout. 0.80 V IDD1 Supply Current 1 Same as VST2. Apply output voltage ✕0.95 to VOUT. 40.0 66.8 µA Supply Current 2 IDD2 Same as VST2. Apply output voltage ✕1.1 to VOUT. 8.2 16.5 µA EXT "High" On Resistance REXTH Same as IDD 1. VEXT=–0.4V. 37.5 62.5 Ω EXT "Low" On Resistance REXTL Same as IDD 1. VEXT=0.4V. 50 30 Ω Same as IDD 1. Measuring of EXT waveform. Same as IDD 1. Existence of Lx Oscillation. Same as IDD 1. Disappearance of Lx Oscillation. Oscillator Frequency FOSC Same as IDD 1. Measuring of EXT waveform. 85 100 115 kHz Maximum Duty Ratio MAXDTY 80 87 92 % Stand-by Current ISTB Same as IDD 1. 0.5 µA CE"High"Current ICEH Same as IDD 1.VCE=VOUT ✕0.95. 0.25 µA CE"Low"Current ICEL Same as IDD 1.VCE=0V. –0.25 µA Efficiency EFFI 85 % Slow-Start Time TSS 4.0 10.0 20.0 ms CE"High"Voltage VCEH 0.75 V CE"Low"Voltage VCEL 0.20 V Measuring conditions: Unless otherwise specified, connect CE to VOUT,VIN=VOUT ✕0.6, IOUT=50mA. See Typical Application Circuits,Fig.4. XC6371E501PR Ta=25 °C VOUT=5.0V,FOSC=100kHZ PARAMETER Output Voltage Maximum Input Voltage Operation Start-up Voltage Oscillation Start-up Voltage VOUT VIN VST1 VST2 IDD1 IDD2 RSWON ILXL FOSC MAXDTY VLxLMT EFFI TSS Supply Current 1 Supply Current 2 Lx Switch-On Resistance Lx Leakage Current Osicillator Frequency Maximum Duty Ratio Lx Limit Voltage Efficiency Slow-Start Time SYMBOL CONDITIONS External Components Connected. IOUT=1mA. No external components. Apply voltage to VOUT. Same as VST2. Apply output voltage ✕0.95 to VOUT. Same as VST2. Apply output voltage ✕1.1 to VOUT. Same as IDD 1. VLX=0.4V. No external components. VOUT=VLX=10V. Same as IDD 1. Measuring of Lx waveform. Same as IDD 1. Measuring of Lx waveform. Same as IDD 1. Apply output voltage to Lx. Voltage required to produce FOSC ✕2. MIN TYP MAX UNITS 4.875 5.000 5.125 V 10 V 0.90 V 0.80 V 80.2 133.8 µA 8.2 1.4 16.5 2.4 1.0 µA Ω µA 85 100 115 kHz 80 87 92 % 0.7 1.3 V 85 % 4.0 10.0 20.0 ms 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 oscillator frequency are properly stabilized when VDD=2.2V or higher. Note: Measuring conditions: Unless otherwise specified, connect VDD to Vout,VIN=VOUT ✕0.6, IOUT=50mA. SeeTypical Application Circuits,Fig.5. 04S_04XC6371 02.09.12 14:44 ページ 444 |
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