Datasheet for LTC3829:
- Manufacturer Part Number : LTC3829
- Manufacturer : AD
- Description : 3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp
- Series : LTC3829
- Reference Price : USD 3.248
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Recommended for New Designs
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : LTC3829
- 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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- Optional Nonlinear Control for Fast Response
- ±0.75%, 0.6V Reference Accuracy
- PWM, Stage Shedding™ or Burst Mode® Operation
- High Efficiency: Up to 95%
- RSENSE or DCR Current Sensing
- Programmable DCR Temperature Compensation
- Phase-Lockable Fixed Frequency: 250kHz to 770kHz
- True Remote Sense Differential Amplifier
- Programmable Active Voltage Positioning (AVP)
- Triple N-Channel MOSFET Synchronous Drive
- Wide VIN Range: 4.5V to 38V Operation
- VOUT Range: 0.6V to 5V without Diffamp
- VOUT Range: 0.6V to 3.3V with Diffamp
- Clock Input and Output for 6-Phase Operation
- Adjustable Soft-Start or VOUT Tracking
- 38-Pin (5mm × 7mm) QFN and FE Packages
- AEC-Q100 Qualified for Automotive Applications
The LTC3829 is a high performance 3-phase single output synchronous step-down DC/DC switching controller that drives all N-channel synchronous power MOSFET stages. A constant frequency current mode architecture allows a phase-lockable frequency of up to 770kHz. Power loss and noise due to ESR of the input capacitors are minimized by operating the three controller output stages out of phase.
The LTC3829 can be configured for 6-phase operation, has DCR temperature compensation, and output foldback current limiting. This device features a precision 0.6V reference and a power good indicator.
Light load efficiency is optimized by using a choice of output Stage Shedding or Burst Mode operation. A differential amplifier provides true remote sensing of the output voltage at the point of load.
The LTC3829 is available in both low profile 38-pin 5mm × 7mm QFN and Exposed Pad FE packages.
Applications
- Notebook and Palmtop Computers
- Telecom Systems
- DC Power Distribution Systems
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
