LT3692

www.DataSheet.co.kr FEATURES Wide Input Range: – Operation from 3V to 36V – OVLO Protects Circuit Through 60V Transients n Independent Supply, Shutdown, Soft-Start, Programmable Current Limit and Programmable Power Good for Each 3.5A Regulator n Die Temperature Monitor n Adjustable/Synchronizable Fixed Frequency Operation from 250kHz to 2.25MHz with Synchronized Clock Output n Independent Synchronized Switching Frequencies Optimize Component Size n Antiphase Switching n Outputs Can Be Paralleled n Flexible Output Voltage Tracking n Enhanced Short-Circuit Protection n Low Dropout: 95% Maximum Duty Cycle n 5mm × 5mm QFN Package n LT3692 Monolithic Dual Tracking 3.5A Step-Down Switching Regulator DESCRIPTION The LT®3692 is a dual current mode PWM step-down DC/DC converter with two internal 3.8A switches. Independent input voltage, shutdown, feedback, soft-start, current limit and comparator pins for each channel simplify complex power supply tracking and sequencing requirements. To optimize efficiency and component size, both converters have a programmable maximum current limit and are synchronized to either a common external clock input, or a resistor settable fixed 250kHz to 2.25MHz internal oscillator. A frequency divider is provided for channel 1 to further optimize component size. At all frequencies, a 180° phase relationship between channels is maintained, reducing voltage ripple and component size. A clock output is available for synchronizing multiple r...