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LT3475 Datasheet(PDF) 2 Page - Linear Technology |
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LT3475 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 20 page  LT3475/LT3475-1 2 3475fb VIN Pin .........................................................(-0.3V), 40V BOOST Pin Voltage ...................................................60V BOOST Above SW Pin...............................................30V OUT, LED, Pins (LT3475)...........................................15V OUT, LED Pins (LT3475-1).........................................25V PWM Pin...................................................................15V VADJ Pin ......................................................................6V VC, RT, REF Pins ..........................................................3V SHDN Pin...................................................................VIN Maximum Junction Temperature (Note 2)............. 125°C Operating Temperature Range (Note 3) LT3475E/LT3475E-1............................. –40°C to 85°C LT3475I/LT3475I-1............................. –40°C to 125°C Storage Temperature Range................... –65°C to 150°C Lead Temperature Range (Soldering, 10 sec) ....... 300°C (Note 1) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VBOOST = 16V, VOUT = 4V unless otherwise noted (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Input Voltage ● 3.7 4 V Input Quiescent Current Not Switching 6 8 mA Shutdown Current SHDN = 0.3V, VBOOST = VOUT = 0V 0.01 2 μA ELECTRICAL CHARACTERISTICS ABSOLUTE AXI U RATI GS FE PACKAGE 20-LEAD PLASTIC TSSOP 1 2 3 4 5 6 7 8 9 10 TOP VIEW 20 19 18 17 16 15 14 13 12 11 OUT1 LED1 BOOST1 SW1 VIN VIN SW2 BOOST2 LED2 OUT2 PWM1 VADJ1 VC1 REF SHDN GND RT VC2 VADJ2 PWM2 21 TJMAX = 125°C, θJA = 30°C/W, θJC = 8°C/W EXPOSED PAD (PIN 21) IS GROUND AND MUST BE ELECTRICALLY CONNECTED TO THE PCB. LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LT3475EFE#PBF LT3475EFE#TRPBF LT3475EFE 20-Lead Plastic TSSOP –40°C to 85°C LT3475IFE#PBF LT3475IFE#TRPBF LT3475IFE 20-Lead Plastic TSSOP –40°C to 125°C LT3475EFE-1#PBF LT3475EFE-1#TRPBF LT3475FE-1 20-Lead Plastic TSSOP –40°C to 85°C LT3475IFE-1#PBF LT3475IFE-1#TRPBF LT3475FE-1 20-Lead Plastic TSSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard 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/ PIN CONFIGURATION ORDER INFORMATION |
Similar Part No. - LT3475_15 |
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Similar Description - LT3475_15 |
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