Datasheet4U Logo Datasheet4U.com

LTC7803 - 3MHz Synchronous Step-Down Controller

General Description

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.

Key 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 3MHz) n Selectable Continuous, Pulse-Skipping, or Low Ripple Burst Mode® Operation at Light Loads n Low Shutdown IQ: 1.2μA n Thermally Enhanced 16-Pin 3mm × 3mm QFN and MSOP Packages n AEC-Q100 Qualified.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
LTC7801 Synchronous Step-Down DC/DC Controller Linear Technology
LTC7812 38V Synchronous Boost+Buck Controller Linear Technology
LTC7815 Buck/Buck/Boost Synchronous Controller Linear Technology
LTC7820 Fixed Ratio High Power Inductorless (Charge Pump) DC/DC Controller Linear Technology
LTC7860 High Efficiency Switching Surge Stopper Linear Technology

Other Datasheets by Analog Devices

Part Number Description
LTC7800 High Frequency Synchronous Step-Down Controller
LTC7801 Synchronous Step-Down DC/DC Controller
LTC7804 Boost Controller
LTC7810 2-Phase Synchronous Step-Down DC/DC Controller
LTC7818 Buck/Buck/Boost Synchronous Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
LTC7803 40V Low IQ, 3MHz Synchronous Step-Down Controller with Spread Spectrum 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 3MHz) n Selectable Continuous, Pulse-Skipping, or Low Ripple Burst Mode® Operation at Light Loads n Low Shutdown IQ: 1.