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LTC3225 Datasheet(PDF) 2 Page - Linear Technology |
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LTC3225 Datasheet(HTML) 2 Page - Linear Technology |
2 / 14 page LTC3225/LTC3225-1 2 3225fb PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS VIN, COUT to GND ......................................... –0.3V to 6V SHDN, VSEL...................................... –0.3V to VIN + 0.3V COUT Short-Circuit Duration ............................. Indefinite IVIN Continuous (Note 2)......................................350mA IOUT Continuous (Note 2).....................................175mA Operating Temperature Range (Note 3).... –40°C to 85°C Storage Temperature Range................... –65°C to 125°C (Note 1) TOP VIEW 11 DDB PACKAGE 10-LEAD (3mm 2mm) PLASTIC DFN C+ C– CX SHDN PGOOD COUT VIN GND PROG VSEL 6 8 7 9 10 5 4 2 3 1 TJMAX = 125°C, θJA = 76°C/W EXPOSED PAD (PIN 11) MUST BE SOLDERED TO LOW IMPEDANCE GND PLANE (PIN 8) ON PCB ORDER INFORMATION ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS LTC3225 VIN-UVLO Input Supply Undervoltage Lockout High-to-Low Threshold VSEL = VIN VSEL = 0 l l 2.65 2.4 2.75 2.5 2.85 2.6 V V VIN-UVLO-HYS Input Supply Undervoltage Lockout Hysteresis VSEL = VIN VSEL = 0 150 140 mV mV VIN Input Voltage Range VSEL = VIN VSEL = 0V l l 3 2.8 5.5 5.5 V V VCOUT Charge Termination Voltage Sleep Mode Threshold (Rising Edge) VSEL = VIN VSEL = 0V l l 5.2 4.7 5.3 4.8 5.4 4.9 V V VCOUT-HYS Output Comparator Hysteresis 100 mV VTOP/BOT Maximum Voltage Across Each of the Supercapacitors After Charging VSEL = VIN VSEL = 0V l l 2.75 2.5 V V LTC3225-1 VIN-UVLO Input Supply Undervoltage Lockout High-to-Low Threshold VSEL = VIN VSEL = 0 l l 2.25 2.0 2.35 2.1 2.45 2.2 V V VIN-UVLO-HYS Input Supply Undervoltage Lockout Hysteresis VSEL = VIN VSEL = 0 150 140 mV mV The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, CIN = 2.2μF, CFLY = 1μF, unless otherwise specified (Note 3). Lead Free Finish TAPE AND REEL (MINI) TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3225EDDB#TRMPBF LTC3225EDDB#TRPBF LCYR 10-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LTC3225EDDB-1#TRMPBF LTC3225EDDB-1#TRPBF LFFS 10-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C TRM = 500 pieces. Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ |
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