Datasheet LT3758, LT3758A (Analog Devices) - 38

LT3758/LT3758A
TYPICAL APPLICATION 8V to 72V Input, 12V Output SEPIC Converter Efficiency vs Output Current
VIN 8V TO 72V 100 C C IN DC • 2.2µF 154k V 2.2µF IN L1A 90 V 100V 100V D1 IN = 8V X7R X7R, ×2 SHDN/UVLO MBRS3100T3G V 80 OUT ×2 12V V 32.4k IN = 42V LT3758 70 2A V SYNC GATE M1 C IN = 72V OUT1 + 60 Si7456DP L1B 47µF SENSE • 105k 20V 50 1% ×2 0.012Ω EFFICIENCY (%) RT 40 SS FBX 30 41.2k VC GND INTVCC 20 300kHz 15.8k 1% COUT2 10µF 10 0.47µF 10k C 0.001 0.01 0.1 1 10 VCC 16V OUTPUT CURRENT (A) 10nF 4.7µF X5R 3758 TA10b 10V ×4 X5R 3758 TA10a L1A, L1B: COILTRONICS DRQ127-220
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LT3757A 40V Flyback, Boost, SEPIC and Inverting Controllers 2.9V ≤ VIN ≤ 40V, with Small Packages and Powerful Gate Drive LT3759 40V Flyback, Boost, SEPIC and Inverting Controller 1.6V ≤ VIN ≤ 42V, with Small Package and Powerful Gate Drive LT8300/LT8303 100V Isolated Flyback Converters in SOT-23 Monolithic No-Opto Flybacks with Integrated 240mA/500mA Switch LT8304/LT8304-1 100V Isolated Flyback Converter Monolithic No-Opto Flyback with Integrated 2A Switch, SO-8 Package LT3748 100V Isolated Flyback Controller 5V ≤ VIN ≤ 100V, No-Opto Flyback, MSOP-16 with High Voltage Spacing LT8301/LT8302 42V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 1.2A/3.6A, 65V Switch LT3798 Offline Isolated No Opto-Coupler Flyback Controller with VIN and VOUT Limited Only by External Components Active PFC LT3799/LT3799-1 Offline Isolated Flyback LED Controllers with Active PFC VIN and VOUT Limited Only by External Components LT3957A Boost, Flyback, SEPIC and Inverting Converter with 5A, 3V ≤ VIN ≤ 40V, 100kHz to 1MHz Programmable Operation Frequency, 40V Switch 5mm × 6mm QFN Package LT3958 Boost, Flyback, SEPIC and Inverting Converter with 3.3A, 5V ≤ VIN ≤ 80V, 100kHz to 1MHz Programmable Operation Frequency, 84V Switch 5mm × 6mm QFN Package LT8361 100V, 2A, Low IQ Boost/SEPIC/Inverting Converter VIN = 2.8V to 60V, VOUT(MAX) = 100V, IQ = 6µA (Burst Mode Operation), MSOP-16(12)E, 3mm × 3mm DFN-10 Packages LT8362 60V, 2A, Low IQ Boost/SEPIC/Inverting Converter VIN = 2.8V to 60V, VOUT(MAX) = 60V, IQ = 9µA (Burst Mode Operation), MSOP-16(12)E Package LT8364 60V, 4A, Low IQ Boost/SEPIC/Inverting Converter VIN = 2.8V to 60V, VOUT(MAX) = 60V, IQ = 9µA (Burst Mode Operation), MSOP-16(12)E, 4mm × 3mm DFN-12 Packages Rev F 38 01/19 www.analog.com For more information www.analog.com ANALOG DEVICES, INC. 2009-2019 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Applications Related Parts Typical Applications Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts