Datasheet for LTC3811EUHF#TRPBF:
- Manufacturer Part Number : LTC3811EUHF#TRPBF
- Manufacturer : AD
- Description : High Speed Dual, Multiphase Step-Down DC/DC Controller IC
- Series : LTC3811
- Reference Price : USD 3.048
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 38-Lead QFN (5mm x 7mm w/ EP)
- Pins : 38
- MFG Package Case : 05-08-1701
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 2500
- Working Temperature : -40 to 125C
- Other Part Number : LTC3811EUHF#TRPBF
- 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 LTC3811 is a dual, PolyPhase® synchronous step- down switching regulator controller optimized for output voltages up to 3.3V. The LTC3811 includes high bandwidth error amplifiers as well as a high speed differential remote sense amplifier. The sense voltage range is programmable from 24mV to 85mV, allowing the use of either the inductor DCR or a discrete sense resistor. Multiphase operation is made possible using the MODE/SYNC input, the CLKOUT output and the PHASEMODE control pin, allowing 1-, 2-, 3-, 4-, 6- or 12-phase operation.
Large internal gate drivers minimize switching losses and allow the use of multiple power MOSFETs connected in parallel for high current applications.
The operating frequency of the LTC3811 can be programmed from 250kHz to 750kHz and can also be synchronized to an external clock using the internal PLL.
Tracking and sequencing are possible with the LTC3811, and soft-start is programmed with an external capacitor. Shutdown reduces supply current to 20µA.
Applications
- Network Servers
- High Current ASIC Supplies
- Low Voltage Power Distribution
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.
