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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4010CFE датащи(PDF) 3 Page - Linear Technology |
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LTC4010CFE датащи(HTML) 3 Page - Linear Technology |
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3 / 24 page  LTC4010 4010fb SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS PWM Current Source VFS BAT – SENSE Full-Scale Regulation Voltage (Fast Charge) 0.3V < BAT < VCC – 0.3V (Note 8) BAT = 4.8V l 95 95 100 100 105 105 mV mV VPC BAT – SENSE Precharge Regulation Voltage 0.3V < BAT < VCC – 0.3V (Note 8) BAT = 4.8V l 16 16 20 20 24 24 mV mV VTC BAT – SENSE Top-Off Charge Regulation Voltage 0.3V < BAT < VCC – 0.3V (Note 8) BAT = 4.8V l 6.5 6.5 10 10 13.5 13.5 mV mV ∆VLI BAT – SENSE Line Regulation 5.5V < VCC < 25V, Fast Charge ±0.3 mV IBAT BAT Input Bias Current 0.3V < BAT < VCC – 0.1V –2 2 mA ISENSE SENSE Input Bias Current SENSE = BAT 50 150 µA IOFF Input Bias Current, (VCELL = 0V) SENSE BAT l l –1 0 0 2 1 6 µA µA fTYP Typical Switching Frequency l 460 550 640 kHz fMIN Minimum Switching Frequency l 20 30 kHz DCMAX Maximum Duty Cycle 98 99 % VOL(TG) TGATE Output Voltage Low (VCC – TGATE) (Note 6) VCC > 9V, No Load VCC < 7V, No Load l l 5 VCC – 0.5 5.6 VCC 8.75 V V VOH(TG) TGATE Output Voltage High VCC – TGATE, No Load l 0 50 mV tR(TG) TGATE Rise Time CLOAD = 3nF, 10% to 90% 35 100 ns tF(TG) TGATE Fall Time CLOAD = 3nF, 10% to 90% 45 100 ns VOL(BG) BGATE Output Voltage Low No Load l 0 50 mV VOH(BG) BGATE Output Voltage High No Load l INTVDD – 0.075 INTVDD V tR(BG) BGATE Rise Time CLOAD = 1.6nF, 10% to 90% 30 80 ns tF(BG) BGATE Fall Time CLOAD = 1.6nF, 10% to 90% 15 80 ns ADC Inputs ILEAK Analog Channel Leakage 0V < VCELL < 2V ±100 nA Charger Thresholds VBP Battery Present Threshold Voltage l 320 350 370 mV VBOV Battery Overvoltage l 1.815 1.95 2.085 V VMFC Minimum Fast Charge Voltage l 850 900 950 mV VFCBF Fast Charge Battery Fault Voltage l 1.17 1.22 1.27 V ∆VTERM –∆V Termination CHEM OPEN (NiCd) CHEM = 0V (NiMH) l l 16 6 20 10 25 14 mV mV VAR Automatic Recharge Voltage VCELL Decreasing l 1.260 1.325 1.390 V ∆TTERM ∆T Termination (Note 7) CHEM = 3.3V (NiCd) CHEM = 0V (NiMH) l l 1.3 0.5 2 1 2.7 1.5 °C/min °C/min TMIN Minimum Charging Temperature (Note 7) VTEMP Increasing l 0 5 9 °C TMAXI Maximum Charge Initiation Temperature (Note 7) VTEMP Decreasing, Not Charging l 41.5 45 47 °C TMAXC Maximum Charging Temperature (Note 7) VTEMP Decreasing, Charging l 57 60 63 °C VTEMP(D) VTEMP Disable Threshold Voltage l 2.8 3.3 V VTEMP(P) Pause Threshold Voltage l 130 280 mV elecTrical characTerisTics The l indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 12V, BAT = 4.8V, GND = PGND = 0V, unless otherwise noted. |
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