Win Source Electronics PMIC - PMIC - Voltage Regulators - DCDC Switching Controllers - LT3742EUF#PBF 781240-LT3742EUF#PBF

The LT3742EUF#PBF is a dual step-down DC/DC switching regulator controller designed to drive high-side N-channel power MOSFETs. It operates within a wide input voltage range of 4V to 30V and can provide output voltages from 0.8V up to VIN. The device features a low shutdown quiescent current of 20¬µA and utilizes a 500kHz fixed frequency current mode architecture, which ensures fast transient response and simple loop compensation. The LT3742 operates with two controllers that are 180¬8 out of phase, reducing input ripple current and minimizing noise on the input supply, which allows for less required input capacitance. An internal boost converter generates a bias rail for gate drive, enabling low dropout and 100% duty cycle operation. The device includes a power good voltage monitor for each output and supports programmable soft-start functionality. Housed in a compact 24-lead 4mm vó 4mm QFN package, the LT3742 is suitable for applications such as satellite and cable TV set-top boxes, distributed power regulation, automotive systems, and super capacitor chargers. The operating temperature range is specified from -40¬8C to 125¬8C, making it versatile for various environments.