Datasheet for LTC1873EG#PBF:
- Manufacturer Part Number : LTC1873EG#PBF
- Manufacturer : AD
- Description : Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID IC
- Series : LTC1873
- Reference Price : USD 4.16
- 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 : 28-Lead SSOP
- Pins : 28
- MFG Package Case : 05-08-1640 (G28)
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 47
- Working Temperature : -40 to 125C
- Other Part Number : LTC1873EG#PBF
- 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 LTC1873 is a dual switching regulator controller optimized for high efficiency with low input voltages. It includes two complete, on-chip, independent switching regulator controllers. Each is designed to drive a pair of external N-channel MOSFETs in a voltage mode feedback, synchronous buck configuration. The LTC1873 includes digital output voltage adjustment on side 1 that conforms to the Intel Desktop VID specification. A constant-frequency, true PWM design minimizes external component size and cost and optimizes load transient performance. The synchronous buck architecture automatically shifts to discontinuous and then to Burst Mode™ operation as the output load decreases, ensuring maximum efficiency over a wide range of load currents.
The LTC1873 features an onboard reference trimmed to 1% and delivers better than 1.5% regulation at the converter outputs over all combinations of line, load and temperature. Each channel can be enabled independently; with both channels disabled, the LTC1873 shuts down and supply current drops below 100µA.
Applications
- Microprocessor Core and I/O Supplies
- Multiple Logic Supply Generator
- High Efficiency Power Conversion
- Chipset Power Supply
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.
