LTC7803 Datasheet (Analog Devices) - 3MHz Synchronous Step-Down Controller

LTC7803, 3MHz Synchronous Step-Down Controller

The LTC®7803 is a high performance, 100% Duty Cycle Capable, synchronous step-down DC/DC switching regulator controller that drives an all N-channel power MOSFET stage.

Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements.

A constant frequency current m

LTC7803 Features

* n Low Operating IQ: 12µA (14V VIN to 3.3V VOUT) n Wide Input Voltage Range: 4.5V to 40V n Output Voltage Up to 40V n Spread Spectrum Operation n RSENSE or DCR Current Sensing n PassThru™/100% Duty Cycle Capable n Programmable Fixed Frequency (100kHz to 3MHz) n Phase-Lockable Frequency (100kHz to 3MH