LTC3811 - High Speed Dual, Multiphase Step-Down DC/DC Controller

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 20A.
By Linear Technology Corporation
Part Manufacturer Description Datasheet Samples
LTC3811EUHF#TRPBF Linear Technology IC DUAL SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PQCC38, 5 X 7 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38, Switching Regulator or Controller
LTC3811EG#TRPBF Linear Technology IC DUAL SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PDSO36, 5.30 MM, LEAD FREE, PLASTIC, SSOP-36, Switching Regulator or Controller
LTC3811EG#PBF Linear Technology IC DUAL SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PDSO36, 5.30 MM, LEAD FREE, PLASTIC, SSOP-36, Switching Regulator or Controller
LTC3811EUHF#PBF Linear Technology IC DUAL SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PQCC38, 5 X 7 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38, Switching Regulator or Controller
LTC3811 's PackagesLTC3811 's pdf datasheet
LTC3811EG-PBF SSOP
LTC3811EG-TRPBF SSOP
LTC3811EUHF-PBF QFN
LTC3811EUHF-TRPBF QFN

LTC3811 pdf datasheet download


LTC3811 Pinout, Pinouts
LTC3811 pinout,Pin out
This is one package pinout of LTC3811,If you need more pinouts please download LTC3811's pdf datasheet.

LTC3811 Application circuits
LTC3811 circuits
This is one application circuit of LTC3811,If you need more circuits,please download LTC3811's pdf datasheet.


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