LTM4628IV#PBF Power Supplies - Board Mount

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1. DESCRIPTION

The LTM4628IV#PBF is a complete dual 8A output switching mode DC/DC power supply and can be easily configured to provide a single 2-phase 16A output. Included in the package are the switchingcontroller, power FETs, inductor, and all supporting components. Operating from an input voltage range of 4.5V to 26.5V, the LTM4628IV#PBF supports two outputs each with an output voltage range of 0.6V to 5.5V, set by a single external resistor. Its high efficiency design delivers 8A continuous current for each output. Only a few input and output capacitors are needed. The device supports frequency synchronization, multiphase operation, Burst Mode operation and output voltage tracking for supply rail sequencing. It has an onboard temperature diode for device temperature monitoring. High switching frequency and a current mode architecture enable a very fast transient response to line and load changes without sacrificing stability. Fault protection features include overvoltage and overcurrent protection. The power module is offered in space saving and thermally enhanced 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm BGA packages. The LTM4628IV#PBF is available with SnPb (BGA) or RoHS compliant terminal finish.

2. FEATURES

    1. Complete Standalone Dual Power Supply

    2. Single 16A or Dual 8A Output

    3. Wide Input Voltage Range: 4.5V to 26.5V

    4. Output Voltage Range: 0.6V to 5.5V

    5. ±1.5% Total DC Output Error

    6. Differential Remote Sense Amplifier

    7. Current Mode Control/Fast Transient Response

    8. Adjustable Switching Frequency

    9. Overcurrent Foldback Protection

  10. Multiphase Parallel Current Sharing with Multiple LTM4628s

  11. Frequency Synchronization

  12. Internal Temperature Sensing Diode Output

  13. Selectable Burst Mode® Operation

  14. Soft-Start/Voltage Tracking

  15. Output Overvoltage Protection

  16. Small Surface Mount Footprint, Low Profile

        - 15mm × 15mm × 4.32mm LGA and

        - 15mm × 15mm × 4.92mm BGA Packages

3. APPLICATIONS

    1. Telecom and Networking Equipment

    2. Storage and ATCA Cards

    3. Industrial Equipment