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LT3435EFE Datasheet(PDF) 2 Page - Linear Technology |
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LT3435EFE Datasheet(HTML) 2 Page - Linear Technology |
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2 / 24 page  LT3435 2 3435fa SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VSHDN SHDN Threshold 1.15 1.3 1.45 V ISHDN SHDN Input Current SHDN = 12V ● 520 µA Minimum Input Voltage (Note 3) ● 2.4 3 V IVINS Supply Shutdown Current SHDN = 0V, BOOST = 0V, FB/PGFB = 0V 0.1 2 µA Supply Sleep Current (Note 4) BIAS = 0V, FB = 1.35V ● 170 250 µA FB = 1.35V ● 45 75 µA IVIN Supply Quiescent Current BIAS = 0V, FB = 1.15V 3.3 7 mA BIAS = 5V, FB = 1.15V 2.6 6 mA Minimum BIAS Voltage (Note 5) ● 2.7 3.1 V IBIASS BIAS Sleep Current (Note 4) ● 125 180 µA IBIAS BIAS Quiescent Current SYNC = 3.3V 700 900 µA Minimum Boost Voltage (Note 6) ISW = 1.5A 1.8 V Input Boost Current (Note 7) ISW = 3A 65 85 mA VREF Reference Voltage (VREF) 3.3V < VVIN < 60V ● 1.225 1.25 1.275 V IFB FB Input Bias Current 75 200 nA EA Voltage Gain (Note 8) 900 V/V EA Voltage gm dI(VC)= ±10µA 400 650 900 µMho ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS (Note 1) VIN, SHDN, BIAS, PGOOD, SW ............................... 60V BOOST Pin Above SW ............................................ 35V BOOST Pin Voltage ................................................. 68V SYNC, CSS, PGFB, FB................................................ 6V Operating JunctionTemperature Range (Note 2) ........................................... – 40 °C to 125°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TJ = 25°C. VIN = 12V, SHDN = 12V, BIAS = 5V, FB/PGFB = 1.25V, CSS/SYNC = 0V unless otherwise noted. TJMAX = 125°C, θJA = 45°C/W, θJC(PAD) = 10°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO GND (PIN 8) FE PART MARKING Consult LTC Marketing for parts specified with wider operating temperature ranges. 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/ ORDER PART NUMBER LT3435EFE LT3435IFE 3435EFE 3435IFE FE PACKAGE 16-LEAD PLASTIC TSSOP 1 2 3 4 5 6 7 8 TOP VIEW 16 15 14 13 12 11 10 9 NC SW VIN VIN SW BOOST CT GND PGOOD SHDN SYNC PGFB FB VC BIAS CSS 17 |
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