LT1767

LT1767/LT1767-1.8/ LT1767-2.5/LT1767-3.3/LT1767-5 Monolithic 1.5A, 1.25MHz Step-Down Switching Regulators Features n 1.5A Switch in a Small MSOP Package n Constant 1.25MHz Switching Frequency n High Power Exposed Pad (MS8E) Package n Wide Operating Voltage Range: 3V to 25V n High Efficiency 0.22Ω Switch n 1.2V Feedback Reference Voltage n Fixed Output Voltages of 1.8V, 2.5V, 3.3V, 5V n 2% Overall Output Tolerance n Uses Low Profile Surface Mount Components n Low Shutdown Current: 6µA n Synchronizable to 2MHz n Current Mode Loop Control n Constant Maximum Switch Current Rating at All Duty Cycles* Applications n DSL Modems n Portable Computers n Wall Adapters n Battery-Powered Systems n Distributed Power Description The LT®1767 is a 1.25MHz monolithic buck switching regulator. A high efficiency 1.5A, 0.22Ω switch is included on the die together with all the control circuitry required to complete a high frequency, current mode switching regulator. Current mode cont...