Datasheet for LTC3618IFE#PBF:
- Manufacturer Part Number : LTC3618IFE#PBF
- Manufacturer : AD
- Description : Dual 4MHz, ±3A Synchronous Buck Converter for DDR Termination IC
- Series : LTC3618
- Reference Price : USD 3.76
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : DDR Memory/Bus Termination
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 24-Lead TSSOP w/ EP
- Pins : 24
- MFG Package Case : 05-08-1771
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 62
- Working Temperature : -40 to 125C
- Other Part Number : LTC3618IFE#PBF
- 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 LTC3618 is a dual synchronous step-down regulator using a current mode, constant-frequency architecture. It provides a complete DDR solution with an input voltage range from 2.25V to 5.5V.
The output of the first step-down regulator offers a high accuracy VDDQ supply. A buffered reference generates VTTR at 50% of VDDQIN and drives loads up to ±10mA. The second regulator generates the DDR termination voltage (VTT) equal to VTTR. Both regulators are capable of delivering ±3A of load current at 1MHz switching frequency.
The operating frequency is externally programmable up to 4MHz, allowing the use of small surface mount inductors. 0°, 90°, or 180° of phase shift between the two channels can be selected to minimize input current ripple. For switching noise-sensitive applications, the LTC3618 can be synchronized to an external clock up to 4MHz.
The LTC3618 is offered in leadless 24-pin 4mm × 4mm QFN and thermally enhanced 24-pin TSSOP packages.
Applications
- DDR Memory
- Supports DDR, DDR2, and DDR3 Standards
- Tracking Supplies
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
