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LTC1759 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1759 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 28 page  2 LTC1759 ABSOLUTE MAXIMUM RATINGS (Note 1) Voltage at VCC, UV, BAT1, CLP,CLN, SPIN, SENSE with respect to AGND ....................– 0.3V to 27V Voltage at DCIN, BAT2 with Respect to DGND ....................................................– 0.3V to 27V Voltage at INTB, SDA, SCL, DCDIV with Respect to DGND ..................................................... – 0.3V to 7V BOOST, BOOSTC Voltage with Respect to VCC ........ 10V Voltage at VDD with Respect to DGND ........ – 0.3V to 7V SW Voltage with Respect to AGND .............. – 2V to VCC GBIAS, SYNC ............................................ – 0.3V to 10V VC, PROG, VSET Voltage with Respect to AGND ...................................................... – 0.3V to 7V TGATE, BGATE Current Continuous .................. ±200mA TGATE, BGATE Output Energy (per Cycle) ................ 2 µJ PGND, DGND with Respect to AGND .................... ±0.3V Current into Any Pin ......................................... ±100mA Operating Ambient Temperature Range ...... 0 °C to 70°C Operating Junction Temperature Range .............................. – 40 °C to 125°C Storage Temperature ........................... – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C ORDER PART NUMBER Consult factory for Industrial and Military grade parts. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TOP VIEW G PACKAGE 36-LEAD PLASTIC SSOP 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 PGND BGATE GBIAS BOOSTC VCC BAT1 SPIN SENSE PROG VC VSET VLIMIT ILIMIT BAT2 DCIN DCDIV RNR THERM BOOST TGATE SW SYNC SDB AGND UV INFET CLP CLN COMP1 CHGEN INTB SDA SCL VDD ISET DGND TJMAX = 125°C, θJA = 85°C/ W ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature range (TJ = 0°C to 100°C), otherwise specifications are TA = 25°C. VCC = DCIN = 18V, VBAT1, 2 = 12.6V, VDD = 3.3V unless otherwise specified. PARAMETER CONDITIONS MIN TYP MAX UNITS Supply and Reference DCIN, VCC Operating Voltage q 11 24 V VCC Operating Current VCC ≤ 24V q 12 20 mA DCIN Operating Current VDCIN = 24V q 85 150 µA UV Lockout Threshold Voltage on UV Pin Rising q 6.3 6.7 7.15 V UV Pin Input Current 0V ≤ VUV ≤ 8V q –1 5 µA Battery Discharge Current VUV ≤ 0.4V, All Connected Pins 40 80 µA VDD Operating Voltage q 3.0 5.5 V VDD Operating Current Charging, VDD = 5.5V, Shorted Thermistor 1.35 2 mA Not Charging, VDD = 5.5V 80 150 µA VDD Undervoltage Lockout q 1.6 2.2 2.9 V Switching Regulator Charging Voltage Accuracy (Notes 3, 5) 2.465V ≤ VBAT2 ≤ VMAX q –1 1 % Charging Current Accuracy (Note 3) RSET Tolerance = 1% – 5 5 % PACKAGE/ORDER INFORMATION LTC1759CG |
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