LT3724 - High Voltage, Current Mode Switching Regulator Controller
The LT3724 is a DC/DC controller used for medium power, low part count, low cost, high efficiency supplies. It offers a wide 4V-60V input range (7.5V minimum startup voltage) and CAN implement Step-down Step-up inverting and SEPIC topologies. The LT3724 includes Burst Mode operation, which reduces quiescent current below 100A and maintains high efficiency at light loads. An internal high voltage bias Regulator allows for simple biasing and CAN be back driven to increase efficiency.
Additional features include fixed frequency current mode control for fast line and load transient response; a Gate driver capable of driving large N-channel MOSFETs; a precision undervoltage lockout function; 10A shutdown current; short-circuit protection; and a programmable soft-start function that directly controls output voltage slew rates at startup which limits inrush current, minimizes overshoot and facilitates supply sequencing.
The LT3724 is available in a 16-lead thermally enhanced TSSOP package.
Protected by U.S. Patents including 5731694, 6498466, 6611131.
By Linear Technology Corporation
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