Datasheet for DC292B-D:
- Manufacturer Part Number : DC292B-D
- Manufacturer : AD
- Description : 2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulators IC
- Series : LTC1709-8
- 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 : LTC1709EG-85 | High Current VRM 9.0 CPU Power Supply, 12Vin, 1.6Vout @ 45A, (mostly Surface Mount Caps)
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC292B-D
- 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 LTC1709-8/LTC1709-9 are 2-phase, VID programmable, synchronous step-down switching regulator controllers that drive two all N-channel external power MOSFET stages in a fixed frequency architecture. The 2-phase controller drives its two output stages out of phase at frequencies from 150kHz to 300kHz to minimize the RMS ripple currents in both input and output capacitors. The 2-phase technique effectively multiplies the fundamental frequency by two, improving transient response while operating each channel at an optimum frequency for efficiency. Thermal design is also simplified.
An internal differential amplifier provides true remote sensing of the regulated supply’s positive and negative output terminals as required for high current applications.
The RUN/SS pin provides soft-start and optional timed, short-circuit shutdown. Current foldback limits MOSFET dissipation during short-circuit conditions when the overcurrent latchoff is disabled. OPTI-LOOP compensation allows the transient response to be optimized for a wide range of output capacitors and ESR values. The LTC1709-8/LTC1709-9 implement two different VID tables compliant with VRM8.4 and VRM9.0 respectively.
| Vout Range | VRM | |
| LTC1709 | 1.3V to 3.5V | VRM8.4 |
| LTC1709-7 | 0.925V to 2V | Mobile |
| LTC1709-8 | 1.3V to 3.5V | VRM8.4 |
| LTC1709-85 | 1.05V to 1.825V | VRM8.5 |
| LTC1709-9 | 1.1V to 1.85V | VRM9.0 |
Applications
- Workstations
- Internet Servers
- Large Memory Arrays
- DC Power Distribution Systems
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.
