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LTC1731ES8-8.2 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1731ES8-8.2 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 12 page  2 LTC1731-8.2/LTC1731-8.4 sn1731 17318fs SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Input Supply Voltage q 8.8 12 V ICC Input Supply Current Charger On, Current Mode q 13 mA Shutdown Mode q 12 mA Sleep Mode (Battery Drain Current) 15 30 µA VBAT Regulated Output Voltage LTC1731-8.2 (9V ≤ VCC ≤ 12V) q 8.118 8.2 8.282 V LTC1731-8.4 (9V ≤ VCC ≤ 12V) q 8.316 8.4 8.484 V IBAT Current Mode Charge Current RPROG = 19.6k, RSENSE = 0.2Ω 465 500 535 mA RPROG = 19.6k, RSENSE = 0.2Ω q 415 500 585 mA RPROG = 97.6k, RSENSE = 0.2Ω 70 100 130 mA ITRIKL Trickle Charge Current VBAT = 4V, RPROG = 19.6k, ITRIKL = (VCC – VSENSE)/0.2Ω q 30 50 100 mA VTRIKL Trickle Charge Threshold Voltage BAT Rising q 4.7 4.95 5.1 V VUV VCC Undervoltage Lockout Voltage VCC Rising q 8.2 8.8 V ∆VUV VCC Undervoltage Lockout Hysteresis VCC Falling 200 mV VMSD Manual Shutdown Threshold Voltage PROG Pin Rising 2.457 V PROG Pin Falling 2.446 V IDRV Drive Pin Current VDRV = VCC – 2V 26 µA ORDER PART NUMBER (Note 1) Input Supply Voltage (VCC) ................................... 13.2V SENSE, DRV, BAT, TIMER, PROG ............ – 0.3V to VCC CHRG ..................................................... – 0.3V to 13.2V LTC1731EMS8-8.2 LTC1731EMS8-8.4 TJMAX = 150°C, θJA = 200°C/W Consult LTC Marketing for parts specified with wider operating temperature ranges. ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION Operating Temperature Range (Note 2) .....– 40 ° to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C MS8 PART MARKING LTSW LTPE 1 2 3 4 BAT CHRG TIMER GND 8 7 6 5 SENSE VCC DRV PROG TOP VIEW MS8 PACKAGE 8-LEAD PLASTIC MSOP ORDER PART NUMBER LTC1731ES8-8.2 LTC1731ES8-8.4 S8 PART MARKING 173182 173184 The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 9V unless otherwise noted. ELECTRICAL CHARACTERISTICS 1 2 3 4 8 7 6 5 TOP VIEW SENSE VCC DRV PROG BAT CHRG TIMER GND S8 PACKAGE 8-LEAD PLASTIC SO TJMAX = 150°C, θJA = 125°C/W |
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