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LT8627SP Datasheet

LT8627SP Datasheet

18V/16A Step-Down Silent Switcher 3 with Ultralow Noise Reference
Part No.: LT8627SP
Page: 33 Pages
Size: 4902 KB
Manufacturer: Linear Technology
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Update Time: 2025-01-20 15:32:37
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LT8627SP Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT8627SPJV#TRPBF Reel 2500 HNZ 3 24 -40°C ~ 150°C 24-Lead LQFN Package (4mm × 4mm × 0.95mm)  
LT8627SPJV#TRMPBF Reel 500 HNZ 3 24 -40°C ~ 150°C 24-Lead LQFN Package (4mm × 4mm × 0.95mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT8627SP Datasheet(PDF)

LT8627SP Datasheet(Picture)

LT8627SP Features

  • Silent Switcher®3 Architecture
    • Ultralow RMS Noise (10Hz to 100kHz): 4μVRMS
    • Ultralow Spot Noise: 4nV/√Hz at 10kHz
    • Ultralow EMI Emissions on Any PCB
    • Internal Bypass Capacitors Reduce Radiated EMI
  • High Efficiency at High Frequency
  • Ultrafast Transient Response: 1μs
  • Fast Minimum Switch On-Time: 15ns
  • Input Voltage Range: 2.8V to 18V
  • Output Voltage Range: 0V to (PVIN - 0.5V)
  • 16A Maximum Continuous Output Current
  • Precision Reference: ± 0.8% Over Temperature with Remote Sense
  • Supports Dynamic Output Voltage Control
  • PolyPhase® Operation: Up to 12 Phases
  • Forced Continuous Mode Capability
  • Adjustable and Synchronizable: 300kHz to 4MHz
  • Programmable Power Good
  • 24-Lead 4mm × 4mm LQFN Exposed Back Package for Optional Heat Sink Mount

LT8627SP Applications

  • RF Power Suppliers: PLLs, VCOs, Mixers, LNAs, PAs
  • High Speed/High Precision ADCs/DACs
  • Low Noise Instrumentation

LT8627SP Description

The LT8627SP synchronous step-down regulator features third-generation Silent Switcher technology which is uniquely designed to combine an ultralow noise reference with Silent Switcher architecture in order to achieve both high efficiency and excellent wideband noise performance.

The innovative ultralow noise architecture provides exceptional low frequency (0.1Hz to 100kHz) output noise performance in a switching regulator. The output voltage can be programmed with a single resistor, resulting in virtually constant output noise independent of output voltage.

Silent Switcher architecture minimizes EMI emissions while delivering high efficiency at high switching frequencies. The top of the package features exposed die for optional heat sink attachment which can be used to significantly improve thermal performance.

The LT8627SP is ideal for high current, noise sensitive applications which benefit from the high efficiency of a synchronous switching regulator.

Note: The LT8627SP is pin-to-pin compatible with the LT8625SP-1.

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