Datasheet for LTC1876:
- Manufacturer Part Number : LTC1876
- Manufacturer : AD
- Description : High Efficiency, 2-Phase, Dual Synchronous Step-Down Switching Controller and Step-Up Regulator
- Series : LTC1876
- Reference Price : USD 4.76
- Our Price : We have a better price, contact us by email
- Product Type : PMIC & Multifunction
- Function : Multitopology DC/DC
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : LTC1876
- 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 LTC1876 is a high performance triple output switching regulator. It incorporates a dual step-down switching controller that drives all N-channel synchronous power MOSFET stages. A step-up regulator with an internal 1A, 36V switch provides the third output.
The step-down controllers minimize power loss and noise by operating the output stage of each controller out of phase. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. A RUN/SS pin for each controller provides both soft-start and an optional timed, short-circuit shutdown that can be configured to latch offone or both controllers. Current foldback provides additional short-circuit protection. In an overvoltage condition, the bottom MOSFET is latched on until VOUT returns to normal. The FCB pin can be used to inhibit Burst Mode operation or to enable regulation of a secondary output voltage.
The step-up regulator operates at 1.2MHz, allowing the use of tiny low cost capacitors and inductors. In addition,its internal 1A switch allows high current outputs to be generated. Its current mode control scheme provides excellent line and load regulation.
Applications
- 3.3V Input Step-Down Converter
- Notebook and Palmtop Computers, PDAs
- Battery-Operated Digital Devices
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.
