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LT3484-0 Datasheet(PDF) 2 Page - Linear Technology |
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LT3484-0 Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page LT3484-0/LT3484-1/LT3484-2 2 3484012f VIN Voltage .............................................................. 16V VBAT Voltage ............................................................ 16V SW Voltage ................................................... –1V to 50V SW Pin Negative Current ...................................... –0.5A CHARGE Voltage ...................................................... 10V DONE Voltage .......................................................... 10V Current into DONE Pin .......................................... ±1mA Maximum Junction Temperature .......................... 125 °C Operating Temperature Range .................–40 °C to 85°C Storage Temperature Range ..................–65 °C to 150°C ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1) ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = VBAT = VCHARGE = 3V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Quiescent Current Not Switching 5 8 mA VCHARGE = 0V 0 1 µA VCC Voltage Range ● 2.5 16 V VBAT Voltage Range ● 1.7 16 V Switch Current Limit LT3484-0 1.1 1.2 1.3 A LT3484-2 0.75 0.85 0.95 A LT3484-1 0.45 0.55 0.65 A Switch VCESAT LT3484-0, ISW = 1A 330 430 mV LT3484-2, ISW = 650mA 210 280 mV LT3484-1, ISW = 400mA 150 200 mV VOUT Comparator Trip Voltage Measured as VSW – VIN ● 31 31.5 32 V VOUT Comparator Overdrive 300ns Pulse Width 200 400 mV DCM Comparator Trip Voltage Measured as VSW – VIN ● 10 60 120 mV CHARGE Pin Current VCHARGE = 3V 65 100 µA VCHARGE = 0V 0 0.1 µA Switch Leakage Current VIN = VSW = 5V, in Shutdown ● 0.01 1 µA CHARGE Input Voltage High ● 1V CHARGE Input Voltage Low ● 0.3 V DONE Output Signal High 100k Ω from VIN to DONE 3 V DONE Output Signal Low 33 µA into DONE Pin 100 200 mV DONE Leakage Current VDONE = 3V, DONE NPN Off 20 100 nA Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. TJMAX = 125°C θJA = 73.5°C/W EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB ORDER PART NUMBER DCB6 PART MARKING Consult LTC Marketing for parts specified with wider operating temperature ranges. LT3484EDCB-0 LT3484EDCB-1 LT3484EDCB-2 LBTM LBTN LBTP 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/ TOP VIEW VBAT SW SW DONE CHARGE VIN DCB6 PACKAGE 6-LEAD (2mm × 3mm) PLASTIC DFN 4 5 7 6 3 2 1 |
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