Datasheet for DC648A:
- Manufacturer Part Number : DC648A
- Manufacturer : AD
- Description : 3-Phase, 5-Bit VID, 600kHz, Synchronous Buck Switching Regulator Controller IC
- Series : LTC3732
- 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 : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LTC3733CG Demo Board | 3-Phase, AMD Hammer Processor Power Supply, Vin = 7V to 21V, Vout = 0.8V to 1.55V @ 65A
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC648A
- 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 LTC3732 is a PolyPhase® synchronous step-down switching regulator controller that drives all N-channel external power MOSFET stages in a phase-lockable fixed frequency architecture. The 3-phase controller drives its output stages with 120° phase separation at frequencies of up to 600kHz per phase to minimize the RMS current losses in both the input and output filter capacitors. The 3-phase technique effectively triples the fundamental frequency, improving transient response while operating each controller at an optimal frequency for high efficiency and ease of thermal design. Light load efficiency is optimized by using a choice of output Stage Shedding or Burst Mode technology.
A differential amplifier provides true remote sensing of both the high and low side of the output voltage at load points.
Soft-start and a defeatable, timed short-circuit shutdown protect the MOSFETs and the load. A foldback current circuit also provides protection for the external MOSFETs under short-circuit or overload conditions.
Applications
- Desktop Computers
- High Performance Notebook Computers
- High Output Current DC/DC Power Supplies
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.
