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LTC3407 データシート(PDF) 2 Page - Linear Technology |
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LTC3407 データシート(HTML) 2 Page - Linear Technology |
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2 / 16 page  LTC3407 2 sn3407 3407fs TOP VIEW DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN EXPOSED PAD IS PGND (PIN 11) MUST BE CONNECTED TO GND 10 11 9 6 7 8 4 5 3 2 1 VFB2 RUN2 POR SW2 MODE/ SYNC VFB1 RUN1 VIN SW1 GND VIN Voltages.................................................– 0.3V to 6V VFB1, VFB2, RUN1, RUN2 Voltages ..................................... – 0.3V to VIN + 0.3V MODE/SYNC Voltage ...................... – 0.3V to VIN + 0.3V SW1, SW2 Voltage ......................... – 0.3V to VIN + 0.3V POR Voltage ................................................– 0.3V to 6V Ambient Operating Temperature Range (Note 2) ................................... – 40°C to 85°C ABSOLUTE AXI U RATI GS (Note 1) ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, unless otherwise specified. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Operating Voltage Range ● 2.5 5.5 V IFB Feedback Pin Input Current ● 30 nA VFB Feedback Voltage (Note 3) 0°C ≤ TA ≤ 85°C 0.588 0.6 0.612 V –40°C ≤ TA ≤ 85°C ● 0.585 0.6 0.612 V ∆VLINE REG Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 3) 0.3 0.5 %/V ∆VLOAD REG Output Voltage Load Regulation (Note 3) 0.5 % IS Input DC Supply Current Active Mode VFB1 = VFB2 = 0.5V 600 800 µA Sleep Mode VFB1 = VFB2 = 0.63V, MODE/SYNC = 3.6V 40 60 µA Shutdown RUN = 0V, VIN = 5.5V, MODE/SYNC = 0V 0.1 1 µA fOSC Oscillator Frequency VFBX = 0.6V ● 1.2 1.5 1.8 MHz fSYNC Synchronization Frequency 1.5 MHz ILIM Peak Switch Current Limit VIN = 3V, VFBX = 0.5V, Duty Cycle <35% 0.75 1 1.25 A RDS(ON) Top Switch On-Resistance (Note 6) 0.35 0.45 Ω Bottom Switch On-Resistance (Note 6) 0.30 0.45 Ω ISW(LKG) Switch Leakage Current VIN = 5V, VRUN = 0V, VFBX = 0V 0.01 1 µA Junction Temperature (Note 5) ............................. 125°C Storage Temperature Range LTC3407EMSE ................................. – 65°C to 150°C LTC3407EDD .................................... – 65°C to 125°C Lead Temperature (Soldering, 10 sec) LTC3407EMSE only .......................................... 300°C ORDER PART NUMBER DD PART MARKING TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W LAGK LTC3407EDD PACKAGE/ORDER I FOR ATIO Consult LTC Marketing for parts specified with wider operating temperature ranges. ORDER PART NUMBER MSE PART MARKING TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W LTABA LTC3407EMSE TOP VIEW 1 2 3 4 5 VFB1 RUN1 VIN SW1 GND 10 9 8 7 6 VFB2 RUN2 POR SW2 MODE/ SYNC 11 MSE PACKAGE 10-LEAD PLASTIC MSOP EXPOSED PAD IS PGND (PIN 11) MUST BE CONNECTED TO GND |
同様の部品番号 - LTC3407 |
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同様の説明 - LTC3407 |
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