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LT3486EFE Datasheet(PDF) 2 Page - Linear Technology |
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LT3486EFE Datasheet(HTML) 2 Page - Linear Technology |
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2 / 20 page  LT3486 2 3486f 16 15 14 13 12 11 10 9 17 DHC PACKAGE 16-LEAD (5mm × 3mm) PLASTIC DFN EXPOSED PAD (PIN 17) IS GND MUST BE SOLDERED TO PCB 1 2 3 4 5 6 7 8 SW2 REF OVP2 SHDN VC2 FB2 CTRL2 PWM2 SW1 VIN OVP1 RT VC1 FB1 CTRL1 PWM1 Input Voltage (VIN) ...................................................25V ⎯S⎯H⎯D⎯N Voltage..........................................................25V SW1, SW2 Voltages .................................................40V OVP1, OVP2 Voltages...............................................40V CTRL1, CTRL2 Voltages ...........................................10V PWM1, PWM2 Voltages ...........................................10V FB1, FB2 Voltages.....................................................10V ORDER PART NUMBER DHC PART MARKING Consult LTC Marketing for parts specified with wider operating temperature ranges. (Note 1) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3V, VCTRL1 = 3V, VCTRL2 = 3V, VPWM1 = 3V, VPWM2 = 3V, VSHDN = 3V, unless otherwise noted. Operating Temperature Range (Note 2) ...– 40°C to 85°C Storage Temperature Range DFN ...................................................– 65°C to 125°C TSSOP ............................................... –65°C to 150°C Maximum Junction Temperature .......................... 125°C Lead Temperature (Soldering, 10sec, TSSOP) ...... 300°C ORDER PART NUMBER FE PART MARKING 3486EFE LT3486EFE SW2 REF OVP2 SHDN VC2 FB2 CTRL2 PWM2 SW1 VIN OVP1 RT VC1 FB1 CTRL1 PWM1 FE PACKAGE 16-LEAD PLASTIC TSSOP EXPOSED PAD IS GND (PIN 17) MUST BE SOLDERED TO PCB 1 2 3 4 5 6 7 8 TOP VIEW 16 15 14 13 12 11 10 9 17 TJMAX = 125°C, θJA = 43°C/W, θJC = 4°C/W TJMAX = 125°C, θJA = 38°C/W, θJC = 10°C/W 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/ LT3486EDHC 3486 PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Operating Voltage 2.5 V Maximum Operating Voltage 24 V Feedback Voltage (FB1, FB2) ● 194 200 206 mV Offset between FB1 and FB2 VOS = |FB1-FB2| 0 3 6 mV Feedback Pin Bias Current (FB1, FB2) VFB1 = VFB2 = 0.2V (Note 3) 10 45 100 nA Quiescent Current VFB1 = VFB2 = 1V 9 14 mA ⎯S⎯H⎯D⎯N = 0V, CTRL1 = CTRL2 = 0V 0.1 1 µA Switching Frequency RT = 53.6k 0.75 1 1.25 MHz Oscillator Frequency Range (Note 4) 200 2000 kHz Nominal RT Pin Voltage RT = 53.6k 0.54 V FOR ATIO PACKAGE/ORDER I ELECTRICAL CHARACTERISTICS ABSOLUTE AXI U RATI GS |
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