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XC6371A501PR Datasheet(PDF) 9 Page - Torex Semiconductor |
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XC6371A501PR Datasheet(HTML) 9 Page - Torex Semiconductor |
9 / 14 page XC6371 Series 445 4 XC6371F501PR Ta=25 °C VOUT=5.0V,FOSC=100kHZ PARAMETER Output Voltage Maximum Input Voltage SYMBOL VOUT VIN CONDITIONS MIN 4.875 10 TYP 5.000 MAX 5.125 UNITS V Operation Start-up Voltage VST1 External Components Connected. IOUT=1mA. 0.90 V Oscillation Start-up Voltage VST2 No external components. Appply voltage to VOUT. V Supply Current 1 IDD1 Same as VST2. Apply output voltage ✕0.95 to VOUT. Same as VST2. Apply output voltage ✕1.1 to VOUT. 40.0 66.8 µA Supply Current 2 IDD2 8.2 16.5 µA EXT "High" On-Resistance REXTH Same as IDD 1. VEXT=–0.4V. Same as IDD 1.Measuring of EXT waveform. Same as IDD 1.Measuring of EXT waveform. Same as IDD 1. VEXT=0.4V. 37.5 62.5 Ω EXT "Low" On-Resistance REXTL 30 50 Ω Oscillator Frequency FOSC 100 115 kHz Maximum Duty Ratio MAXDTY 85 85 87 92 % Efficiency EFFI 85 % TSS 20.0 Slow-Start Time 4.0 10.0 ms V Measuring conditions: Unless otherwise specified, connect VDD to VOUT,VIN=VOUT ✕0.6, IOUT=50mA. See Typical Application Circuits, Fig.6. 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: 0.80 SOT-89 (TOP VIEW) 12 3 GND Fig.1 XC6371A Application VOUT SOT-89 (TOP VIEW) VOUT Fig.2 XC6371B Application 13 2 GND CL (Tantalum) CL (Tantalum) L SD SD VIN VIN L Tr CB RB CIN CIN L : 100 µH (SUMIDA, CR-54) SD : MA2Q735 (Schottky diode; MATSUSHITA) CL : 16V 47 µF (Tantalum capacitor; NICHCON, MCE) CIN : 16V220 µF (Alminium Electrolytic Capacitor) L: 47 µH (SUMIDA, CR-54) SD : MA2Q735 (Schottky diode; MATSUSHITA) CL : 16V 47 µF (Tantalum capacitor; NICHCON MCE) CIN : 16V220 µF (Alminium Electrolytic Capacitor) RB :1k Ω, CB:3300pF (FOSC=100kHz) Tr : 2SC3279, 2SD1628G ■Typical Application Circuits 04S_04XC6371 02.09.12 14:44 ページ 445 |
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