DESCRIPTION
The LT® 1765 is a 1.25MHz monolithic buck switching regulator. A high efficiency 3A, 0.09Ω switch is included on the die together with all the control circuitry required to construct a high frequency, current mode switching regulator. Current mode control provides fast transient response and excellent loop stability.

FEATURES
■ 3A Switch in a Thermally Enhanced 16-Lead TSSOP or 8-Lead SO Package
■ Constant 1.25MHz Switching Frequency
■ Wide Operating Voltage Range: 3V to 25V
■ High Efficiency 0.09ΩSwitch
■ 1.2V Feedback Reference Voltage
■ Uses Low Profile Surface Mount Components
■ Low Shutdown Current: 15µA
■ Synchronizable to 2MHz
■ Current Mode Loop Control
■ Constant Maximum Switch Current Rating at All Duty Cycles