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LT3437IDD Datasheet(PDF) 2 Page - Linear Technology |
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LT3437IDD Datasheet(HTML) 2 Page - Linear Technology |
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2 / 28 page  2 LT3437 3437fc The ● denotes the specifications which apply over the –40 °C to 125°C temperature range, otherwise specifications are at TJ = 25°C. VIN = 12V, SHDN = 12V, BIAS = 5V, FB = 1.25V, CSS/SYNC = 0V unless otherwise noted. LT3437EFE LT3437IFE LT3437HFE ORDER PART NUMBER LT3437EDD LT3437IDD Consult LTC Marketing for parts specified with wider operating temperature ranges. DD PART MARKING ORDER PART NUMBER FE PART MARKING 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/ VIN, SHDN, BIAS, SW Operating ............................. 60V VIN, SHDN 100ms Transient, <15% Duty Cycle ....... 80V BOOST Pin Above SW ............................................ 35V BOOST Pin Voltage Operating ................................. 75V BOOST Pin 100ms Transient, <15% Duty Cycle ...... 85V SYNC, CSS, FB .......................................................... 6V θJA = 45°C/W, θJC(PAD) = 10°C/W EXPOSED PAD IS GND (PIN 11) MUST BE SOLDERED TO GND (PIN 4) Operating Junction Temperature Range LT3437EDD (Note 2) ....................... – 40 °C to 125°C LT3437IDD (Note 2) ........................ – 40 °C to 125°C LT3437EFE (Note 2) ........................ – 40 °C to 125°C LT3437IFE (Note 2) ......................... – 40 °C to 125°C LT3437HFE (Note 2) .......................... –40 °C to 140°C Storage Temperature Range ................. – 65 °C to 125°C DD Package ....................................... –65 °C to 125°C FE Package ........................................ –65 °C to 150°C 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 NC VIN NC BOOST NC GND NC SHDN SYNC NC FB VC BIAS CSS 17 θJA = 45°C/W, θJC(PAD) = 10°C/W EXPOSED PAD IS GND (PIN 17) MUST BE SOLDERED TO GND (PIN 8) 3437EFE 3437IFE 3437HFE LBDJ LBDK (Note 1) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VSHDN SHDN Threshold ● 1.15 1.3 1.45 V ISHDN SHDN Input Current SHDN = 12V ● 530 µA Minimum Input Voltage (Note 3) ● 2.5 3 V IVINS Supply Shutdown Current SHDN = 0V, BOOST = 0V, FB/PGFB = 0V, BIAS = 0V 0.1 2 µA Supply Sleep Current (Note 4) BIAS = 0V, FB = 1.35V ● 150 300 µA FB = 1.35V ● 45 75 µA ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS TOP VIEW DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN 10 9 6 7 8 4 5 3 2 1 SHDN SYNC FB VC BIAS SW VIN BOOST GND CSS 11 |
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