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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4095 датащи(PDF) 2 Page - Linear Technology |
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LTC4095 датащи(HTML) 2 Page - Linear Technology |
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2 / 16 page  LTC4095 2 4095fa PACKAGE/ORDER INFORMATION ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS Input Supply Voltage (IN) t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V Steady State............................................. –0.3V to 6V BAT, SUSP, ⎯C⎯H⎯R⎯G Voltage............................ –0.3V to 6V PROG, NTC, HPWR Voltage............................ –0.3V to Max (IN, BAT) + 0.3V IBAT .............................................................................1A IPROG...................................................................1.25mA I⎯C⎯H⎯R⎯G......................................................................50mA Junction Temperature ........................................... 125°C Operating Temperature Range ................. –40°C to 85°C Storage Temperature Range................... –65°C to 125°C (Notes 1, 2, 3) TOP VIEW BAT GND CHRG SUSP IN PROG NTC HPWR DC PACKAGE 8-LEAD (2mm × 2mm) PLASTIC DFN 9 4 1 2 3 6 5 7 8 TJMAX = 125°C, θJA = 60°C/W EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB ORDER PART NUMBER DC PART MARKING LTC4095EDC LCLG Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. IN = HPWR = 5V, BAT = 3.8V, NTC = SUSP = 0V, RPROG = 1.74k unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Battery Charger IN Input Supply Voltage ● 4.3 5.5 V IIN Battery Charger Quiescent Current (Note 4) Standby Mode; Charger Terminated Suspend Mode; SUSP = 5V 200 8.5 400 17 µA µA VFLOAT BAT Regulated Output Voltage 0°C ≤ TA ≤ 85°C 4.179 4.165 4.200 4.200 4.221 4.235 V V ICHG Constant-Current Mode Charge Current HPWR = 5V HPWR = 0V ● 440 84 460 92 500 100 mA mA IBAT Battery Drain Current Standby Mode; Charger Terminated Shutdown Mode; IN < VUVLO, BAT = 4.2V Suspend Mode; SUSP = 5V, BAT = 4.2V –3.5 –2.0 –1.3 –7 –4 –3 µA µA µA VUVLO Undervoltage Lockout Threshold BAT = 3.5V, IN Rising 3.875 4.0 4.125 V ΔVUVLO Undervoltage Lockout Hystersis BAT = 3.5V 200 mV VDUVLO Differential Undervoltage Lockout Threshold BAT = 4.05V, (IN – BAT), IN Falling 25 40 60 mV ΔVDUVLO Differential Undervoltage Lockout Hysteresis BAT = 4.05V 125 mV PROG PROG Pin Servo Voltage HPWR = 5V HPWR = 0V BAT < VTRKL 1.000 0.200 0.100 V V V hPROG Ratio of IBAT to PROG Pin Current 800 mA/mA ITRKL Trickle Charge Current BAT < VTRKL 37 46 55 mA VTRKL Trickle Charge Threshold Voltage BAT Rising 2.8 2.9 3.0 V ΔVTRKL Trickle Charge Hysteresis Voltage 100 mV ΔVRECHRG Recharge Battery Threshold Voltage Threshold Voltage Relative to VFLOAT –75 –95 –115 mV |
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