The LT3570 is a 1.5A buck converter, a 1.5A boost converter and an LDO controller, integrating power switches and LDO controllers. Each converter has a 1.5A current limit and an input range of 2.5V to 36V, making LT3570 ideal for a wide range of applications. Switching frequencies up to 2MHz are programmed with an external timing resistor and the oscillator can be synchronized to an external clock up to 2.75MHz. The LT3570 features a programmable soft-start function that limits the feedback voltage during start-up helping prevent overshoot and limiting inrush current. The LDO controller is capable of delivering up to 10mA of base current to an external NPN transistor.
