Datasheet for LTC3802EUH#PBF:
- Manufacturer Part Number : LTC3802EUH#PBF
- Manufacturer : AD
- Description : Dual 550kHz Synchronous 2-Phase DC/DC Controller with Programmable Up/Down Tracking IC
- Series : LTC3802
- Reference Price : USD 3.84
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
- Pins : 32
- MFG Package Case : 05-08-1693
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 73
- Working Temperature : -40 to 125C
- Other Part Number : LTC3802EUH#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 LTC3802 is a dual switching regulator controller optimized for high efficiency step-down conversion from input voltages between 3V to 30V. The controller uses a leading edge modulation scheme to allow extremely low duty cycle operation. The constant frequency voltage mode controller allows a phase-lockable frequency between 330kHz and 750kHz. Power loss and noise due to the ESR of the input capacitors are minimized by operating the two controller output stages 180° out of phase. The synchronous buck architecture automatically shifts to Burst Mode operation as the output load decreases, ensuring maximum efficiency over a wide range of load currents.
The LTC3802 features an onboard, trimmed 0.6V reference and provides better than 1% regulation at the converter outputs. A separate output sense provides real time overvoltage protection and PGOOD sensing. An FBT pin programs the power-up/-down tracking between the two channels to meet various sequencing requirements. A RUN/SS pin provides soft-start and externally programmable current limit protection functions.
U.S. Patent Nos 5481178, 5846544, 6304066, 6580258, 5055767, 6307356
Applications
- Notebook and Palmtop Computers
- Portable Instruments
- Battery-Operated Digital Devices
- 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.
