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LTC3775 Datasheet High Frequency Synchronous Step-Down Voltage Mode DC/DC Controller

Manufacturer: Linear Technology (now Analog Devices)

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General Description

The LTC®3775 is a high efficiency synchronous step-down switching DC/DC controller that drives an all N-channel power MOSFET stage from a 4.5V to 38V input supply voltage.

A patented line feedforward compensation circuit and a high bandwidth error amplifier provide very fast line and load transient response.

High step-down ratios are made possible by a low 30ns minimum on-time, allowing extremely low duty cycles.

Key Features

  • n Wide VIN Range: 4.5V to 38V n Line Feedforward Compensation n Low Minimum On-Time: tON(MIN) < 30ns n Powerful Onboard MOSFET Drivers n Leading Edge Modulation Voltage Mode Control n ±0.75%, 0.6V Reference Voltage Accuracy Over Temperature n VOUT Range: 0.6V to 0.8VIN n Programmable, Cycle-by-Cycle Peak Current Limit n Sense Resistor or RDS(ON) Current Sensing n Programmable Soft-Start n Synchronizable Fixed Frequency from 250kHz to 1MHz n Selectable Pulse-Skipping or Forced Continuous Modes of.

More Datasheets from Linear Technology (now Analog Devices)

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LTC3700 Constant Frequency Step-Down DC/DC Controller
LTC3701 Dual Step-Down DC/DC Controller
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