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LT3758 Datasheet(PDF) 36 Page - Linear Technology |
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LT3758 Datasheet(HTML) 36 Page - Linear Technology |
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36 / 36 page  LT3758 36 3758f Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com © LINEAR TECHNOLOGY CORPORATION 2009 LT 0709 • PRINTED IN USA TYPICAL APPLICATIONS PART NUMBER DESCRIPTION COMMENTS LT1619 Current Mode PWM Controller 300kHz Fixed Frequency, Boost, SEPIC, Flyback Topology; 1.9V ≤ VIN ≤ 18V LTC1624 Current Mode DC/DC Controller VIN Up to 36V, 300kHz Operating Frequency; Buck, Boost, SEPIC Design, SO-8 Package LTC1871, LTC1871-1 No RSENSE™ Boost, Flyback and SEPIC Controller 2.5V ≤ VIN ≤ 36V, Current Mode Control, Programmable Operating Frequency from 50kHz to 1MHz, 5V Gate Drive LTC1871-7 No RSENSE Boost, Flyback and SEPIC Controller 7V Gate Drive Version of LTC1871 LTC1872 TSOT-23 Boost Controller 550kHz Fixed Frequency, Current Mode, 2.5V ≤ VIN ≤ 9.8V LT1930 1.2MHz, SOT-23 Boost Converter 2.6V ≤ VIN ≤ 16V, Up to 34V Output, 1A Switch Current LT1931 Inverting 1.2MHz, SOT-23 Converter Positive-to-Negative DC/DC Conversion, Miniature Design LTC3704 Positive-to-Negative DC/DC Controller No RSENSE, Current Mode Control, 50kHz to 1MHz LT3844 High Voltage, Current Mode Switching Regulator Controller Wide Input Range: 4V to 60V LT3757 Boost, Flyback, SEPIC and Inverting Controller 2.9V ≤ VIN ≤ 40V, Current Mode Control, 100kHz to 1MHz Programmable Operation Frequency, 3mm × 3mm DFN-10 and MSOP-10E Packages LT3782A 2-Phase Step-Up DC/DC Controller 6V ≤ VIN ≤ 40V, 4A Gate Drive, 150kHz to 500kHz LTC3803, LTC3803-3, LTC3803-5 Constant-Frequency, Current Mode DC/DC Controller Wide Input Range; Flyback, Boost and SEPIC Topologies, ThinSOT™ Package LTC3805, LTC3805-5 Adjustable, Synchronizable Frequency, Current Mode DC/DC Controller VIN and VOUT Limited Only by External Components, Used in Flyback, Boost and SEPIC Topologies LT3845 Low IQ, High Voltage Single Output Synchronous Step-Down DC/DC Controller 1.23V ≤ VOUT ≤ 36V, 4V ≤ VIN ≤ 60V, 120μA IQ LTC3872 No RSENSE Boost, Flyback and SEPIC Controller 2.75V ≤ VIN ≤ 9.8V, Current Mode Control, TSOT-23 and 2mm × 3mm DFN-8 Packages No RSENSE and ThinSOT are trademarks of Linear Technology Corporation. RELATED PARTS 8V to 72V Input, 12V Output SEPIC Converter SENSE LT3758 VIN VIN 8V TO 72V CIN 2.2μF 100V X7R x2 CDC 2.2μF 100V X7R, x2 VOUT 12V 2A 0.012Ω M1 Si7456DP 41.2k 300kHz GATE FBX GND INTVCC SHDN/UVLO SYNC RT SS VC • • 154k 32.4k 0.47μF 10nF 10k L1A L1B D1 MBRS3100T3G 3757 TA08a 105k 1% 15.8k 1% COUT2 10μF 16V X5R x4 COUT1 47μF 20V x2 CVCC 4.7μF 10V X5R L1A, L1B: COILTRONICS DRQ127-220 + Efficiency vs Output Current VIN = 8V OUTPUT CURRENT (A) 10 30 20 40 50 60 70 80 90 100 3757 TA08b 0.001 0.01 0.1 1 10 VIN = 72V VIN = 42V |
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