Datasheet LT3757, LT3757A (Analog Devices) - 38

LT3757/LT3757A
TYPICAL APPLICATION High Efficiency Inverting Power Supply Efficiency vs Output Current
VIN 5V TO C 100 R2 15V IN CDC 47µF V • 105k IN 47µF L1 90 16V 25V, X5R X5R SHDN/UVLO L2 VOUT • 80 R1 –5V VIN = 5V 46.4k LT3757 3A to 5A 70 SYNC GATE M1 V 84.5k IN = 16V Si7848BDP 60 SENSE D1 0.006Ω 50 RT MBRD835L 1W EFFICIENCY (%) SS FBX 40 VC GND INTVCC 30 41.2k 300kHz 9.1k CVCC 16k COUT 20 0.1µF 4.7µF 100µF 10V 10 10nF 6.3V, X5R X5R 0.001 ×2 0.01 0.1 1 10 OUTPUT CURRENT (A) 3757 TA11b L1, L2: COILTRONICS DRQ127-3R3 (*COUPLED INDUCTORS) 3757 TA11a
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LT3758/LT3758A 100V Flyback, Boost, SEPIC and Inverting Controllers 5.5V ≤ VIN ≤ 100V, with Small Packages and Powerful Gate Drive LT3759 40V Flyback, Boost, SEPIC and Inverting Controller 1.6V ≤ VIN ≤ 42V, with Small Packages and Powerful Gate Drive LT8300/LT8303 100V Isolated Flyback Converters in SOT-23 Monolithic No-Opto Flybacks with Integrated 240A/500mA Switch LT8304/LT8304-1 100V Isolated Flyback Converter Monolithic No-Opto Flyback with Integrated 2A Switch, SO-8 Package LT3748 100V Isolated Flyback Converter 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 VIN and VOUT Limited Only by External Components with Active PFC LT3799/LT3799-1 Offline Isolated Flyback LED Controller 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 5V ≤ VIN ≤ 80V, 100kHz to 1MHz Programmable Operation Frequency, 3.3A, 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 x 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 x 3mm DFN-12 Packages Rev. F 38 12/18 www.analog.com For more information www.analog.com ANALOG DEVICES, INC. 2008–2018 Document Outline 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