LT LTC3717EGN#PBF

控制器，DDR，QDR4V ~ 36V2V ~ 18V

Overview

The LTC3717EGN is a synchronous step-down switching regulator controller for double data rate (DDR) and Quad Data Rate™ (QDR™) memory termination. The controller uses a valley current control architecture to deliver very low duty cycles without requiring a sense resistor. Operating frequency is selected by an external resistor and is compensated for variations in VIN.

Fault protection is provided by an output overvoltage comparator and optional short-circuit shutdown timer. Soft-start capability for supply sequencing is accomplished using an external timing capacitor. The regulator current limit level is symmetrical and user programmable. Wide supply range allows operation from 4V to 36V at the VCC input.

Features

Bulk Package
Widely used in Controller, DDR, QDR applications
SWITCHING CONTROLLER analog IC

Surface Mount Mounting Type

Applications

There are a lot of Linear Technology/Analog Devices
LTC3717EGN#PBF Specialized Voltage Regulators applications.

• Copier/Printer
• Set-Top Box
• DDR Vooo and Vπ Voltage Generation
• PC Dual Power Supply
• Server DDR Power
• Desktop Computer
• Graphics Cards
• Cell Phones
• Wireless Modems
• PCS Phones