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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT7727 датащи(PDF) 3 Page - Holtek Semiconductor Inc |
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HT7727 датащи(HTML) 3 Page - Holtek Semiconductor Inc |
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3 / 15 page  Electrical Characteristics HT7727, +2.7V Output Type VIN=VOUT ´0.6; IOUT=10mA; Ta=25°C (Unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit VOUT Output Voltage ¾ 2.633 2.7 2.767 V VIN Input Voltage ¾¾ ¾ 6V VSTART Start-up Voltage VIN:0 ®2V; IOUT=1mA ¾ 0.6 0.7 V VHOLD Minimum Hold-on Voltage VIN:2 ®0V; IOUT=1mA ¾¾ 0.7 V IIN No load Input Current Measured at no load ¾ 10 ¾mA IDD1 Supply Current 1 VIN=VOUT ´0.95 Measured at VOUT pin ¾ 40 ¾mA IDD2 Supply Current 2 VIN=VOUT+0.5V Measured at VOUT pin ¾ 47 mA ISHDN Shutdown Current VCE=VIL,VIN=VOUT ´0.95 ¾ 0.5 ¾mA ILEAK LX Leakage Current VIN=6V ¾¾ 0.9 mA fOSC Maximum Oscillator Frequency VIN=VOUT ´0.95 Measured at LX pin ¾ 115 ¾ kHz h Efficiency ¾¾ 85 ¾ % DOSC Oscillator Duty Cycle VIN=VOUT ´0.95 Measured at LX pin 65 75 85 % HT7730, +3.0V Output Type VIN=VOUT ´0.6; IOUT=10mA; Ta=25°C (Unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit VOUT Output Voltage ¾ 2.925 3 3.075 V VIN Input Voltage ¾¾ ¾ 6V VSTART Start-up Voltage VIN:0 ®2V; IOUT=1mA ¾ 0.6 0.7 V VHOLD Min. Hold-on Voltage VIN:2 ®0V; IOUT=1mA ¾¾ 0.7 V IIN No load Input Current Measured at no load ¾ 10 ¾mA IDD1 Supply Current 1 VIN=VOUT ´0.95 Measured at VOUT pin ¾ 48 ¾mA IDD2 Supply Current 2 VIN=VOUT+0.5V Measured at VOUT pin ¾ 47 mA ISHDN Shutdown Current VCE=VIL,VIN=VOUT ´0.95 ¾ 0.5 ¾mA ILEAK LX Leakage Current VIN=6V ¾¾ 0.9 mA fOSC Maximum Oscillator Frequency VIN=VOUT ´0.95 Measured at LX pin ¾ 115 ¾ kHz h Efficiency ¾¾ 85 ¾ % DOSC Oscillator Duty Cycle VIN=VOUT ´0.95 Measured at LX pin 65 75 85 % HT77XX Rev 1.10 3 March 7, 2006 |
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