Datasheet for DC2155A-A:
- Manufacturer Part Number : DC2155A-A
- Manufacturer : AD
- Description : Dual Output PolyPhase Step-Down Controller with Sub-Milliohm DCR Sensing and Digital Power System Management IC
- Series : LTC3884/-1
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Digitally Programmable Regulators
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LTC3886UKG Demo Board (RSENSE) Dual Phase Dual Output PMBus Buck 18V=VIN=54V, VOUT0/VOUT1=5V to 12V at 12A per channel, 150kHz
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC2155A-A
- 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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- PMBus/I2C Compliant Serial Interface
- Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, Temperature and Faults
- Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV/OC
- Sub-Milliohm DCR Current Sensing
- Digitally Adjustable Loop Compensation Parameters
- ±0.5% Output Voltage Accuracy Over Temperature
- Integrated Input Current Sense Amplifier
- Internal EEPROM with ECC and Fault Logging
- Integrated N-Channel MOSFET Gate Drivers
Power Conversion
- Wide VIN Range: 4.5V to 38V
- VOUT Range: 0.5V to 3.5V (with Low DCR Setting); 0.5V to 5.5V (without Low DCR Setting)
- Accurate PolyPhase® Current Sharing for Up to 6 Phases
- AEC-Q100 Qualified for Automotive Applications
The LTC3884/LTC3884-1 are dual output PolyPhase DC/DC synchronous step-down switching regulator controllers with an I2C-based PMBus compliant serial interface. The controllers employ a constant-frequency current mode architecture, together with a unique scheme to provide excellent performance for sub-milliohm DCR applications. The LTC3884/LTC3884-1 are supported by the LTpowerPlay® software development tool with graphical user interface (GUI).
Programmable loop compensation allows the controller to be compensated digitally. Switching frequency, channel phasing, output voltage, and device address can be programmed both by the digital interface as well as external configuration resistors. Additionally, parameters can be set via the digital interface or stored in EEPROM. Both outputs have independent power good indicators and FAULT function.
The LTC3884-1 has all the features that the LTC3884 has except the LTC3884 includes MOSFET gate drivers while the LTC3884-1 does not.
Applications
- Telecom, Datacom, and Storage Systems
- Industrial and Point-of-Load Applications
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.
