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LT1107-12 Datasheet(PDF) 2 Page - Linear Technology |
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LT1107-12 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 12 page  2 LT1107 A G A U A R BSOLUTEXI TI S Supply Voltage (VIN) ............................................... 36V SW1 Pin Voltage (VSW1) ......................................... 50V SW2 Pin Voltage (VSW2) ............................ – 0.5V to VIN Feedback Pin Voltage (LT1107) ................................ 5V Sense Pin Voltage (LT1107-5, LT1107-12) ............ 36V Maximum Power Dissipation ............................ 500mW Set Pin Voltage ...................................................... 5.5V Maximum Switch Current ...................................... 1.5A Operating Temperature Range LT1107C ................................................ 0 °C to 70°C LT1107M ........................................ – 55 °C to 125°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec) .................. 300 °C ELECTRICAL C C HARA TERISTICS VIN = 3V, military or commercial version, TA = 25°C, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IQ Quiescent Current Switch OFF 320 450 µA Quiescent Current, Step-Up Mode Configuration No Load LT1107-5 360 µA LT1107-12 550 µA VIN Input Voltage Step-Up Mode q 2 12.6 V Step-Down Mode q 30.0 V Comparator Trip Point Voltage LT1107 (Note 1) q 1.2 1.25 1.3 V VOUT Output Sense Voltage LT1107-5 (Note 2) q 4.75 5 5.25 V LT1107-12 (Note 2) q 11.40 12 12.60 V Comparator Hysteresis LT1107 q 8 12.5 mV Output Hysteresis LT1107-5 q 32 50 mV LT1107-12 q 75 120 mV fOSC Oscillator Frequency 50 63 77 kHz Duty Cycle, Step-Up Mode Full Load 64 70 76 % tON Switch ON Time, Step-Up Mode ILIM Tied to VIN 8.8 11 12.7 µs Feedback Pin Bias Current LT1107, VFB = 0V q 70 120 nA Set Pin Bias Current VSET = VREF q 70 300 nA VOL Gain Block Output Low ISINK = 300µA, VSET = 1V q 0.15 0.4 V Reference Line Regulation 5V ≤ VIN ≤ 30V q 0.02 0.075 %/V PACKAGE/ORDER I FOR ATIO ORDER PART NUMBER ORDER PART NUMBER LT1107CN8 LT1107CN8-5 LT1107CN8-12 LT1107MJ8 LT1107MJ8-5 LT1107MJ8-12 LT1107CS8 LT1107CS8-5 LT1107CS8-12 TJMAX = 150°C, θJA = 120°C/W (J) TJMAX = 90°C, θJA = 130°C/W (N) TJMAX = 90°C, θJA = 150°C/W 1107 11075 110712 S8 PART MARKING 1 2 3 4 8 7 6 5 TOP VIEW ILIM VIN SW1 SW2 FB (SENSE)* SET AO GND J8 PACKAGE 8-LEAD CERAMIC DIP N8 PACKAGE 8-LEAD PLASTIC DIP * FIXED VERSIONS 1 2 3 4 8 7 6 5 TOP VIEW S8 PACKAGE 8-LEAD PLASTIC SO *FIXED VERSIONS ILIM VIN SW1 SW2 FB(SENSE)* SET AO GND |
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