Datasheet Details
| Part number | LTC3811 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 538.78 KB |
| Description | Multiphase Step-Down DC/DC Controller |
| Datasheet | LTC3811_LinearTechnology.pdf |
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Overview: LTC3811.
| Part number | LTC3811 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 538.78 KB |
| Description | Multiphase Step-Down DC/DC Controller |
| Datasheet | LTC3811_LinearTechnology.pdf |
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Controller ■ Fixed Frequency, Peak Current Mode Control ■ ±0.5% Output Accuracy Over Temperature ■ Optimized for Low VOUT Applications (Up to 3.3V) ■ Dual or Single Output, Multiphase Operation ■ Wide VIN Range: 4.5V to 30V Operation ■ High Speed Differential Remote Sense Amplifier ■ Inductor DCR or Sense Resistor Capable ■ Adjustable Peak Current Sense Voltage: 24mV to 85mV ■ Very Low Duty Cycle Operation: tON(MIN) = 65ns (Typ) ■ Powerful Internal Gate Drivers ■ Output Voltage Soft-Start, Tracking and Sequencing ■ Programmable Load Line for Reduced COUT ■ Clock Input and Output for Up to 12-Phase Operation ■ Fixed Frequency Operation from 250kHz to 750kHz ■ PLL Synchronization from 150kHz Up to 900kHz ■ Selectable CCM or DCM Operation ■ Available in 5mm × 7mm QFN and G36 Packages APPLICATIONS ■ Network Servers ■ High Current ASIC Supplies ■ Low Voltage Power Distribution The LTC®3811 is a dual, PolyPhase® synchronous stepdown 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.
Compare LTC3811 distributor prices and check real-time stock availability from major suppliers. Prices and inventory may vary by region and order quantity.
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