Datasheet for DC464A:
- Manufacturer Part Number : DC464A
- Manufacturer : AD
- Description : Wide Operating Range, No RSENSE™ Step-Down Controller for DDR/QDR Memory Termination IC
- Series : LTC3717-1
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : DDR Memory/Bus Termination
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LTC3718EG | Low Input Voltage, High Current, DDR Termination Supply, 1.5-5Vin, VRef/2 @ 0-12a
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC464A
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC3717-1 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 with or without a sense resistor. Operating frequency is selected by an external resistor and is compensated for variations in VIN and VOUT.
Forced continuous operation reduces noise and RF interference. Output voltage is internally set to half of VREF, which is user programmable.
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.
| Von Pin | Package | |
| LTC3717 | No | SSOP-16 |
| LTC3717-1 | Yes | QFN-32 |
Applications
- Bus Termination: DDR and QDR Memory, SSTL, HSTL, ...
- Notebook Computers, Desktop Servers
- Tracking/Margining Power Supply
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
