LT8627SP

RECOMMENDED FOR NEW DESIGNS

18V/16A Step-Down Silent Switcher 3 with Ultralow Noise Reference

Data Sheet (Rev. B) Product Selection Table
Part Models
2
1ku List Price
Starting From $5.94
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Part Details

  • 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
18V/16A Step-Down Silent Switcher 3 with Ultralow Noise Reference
LT8627SP Typical Application LT8627SP Performance Graph LT8627SP Performance Graph LT8627SP Performance Graph LT8625SP-1 LQFN 24 Pin Configuration LT8625SP-1 Block Diagram
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Documentation

Data Sheet 1

User Guide 1

Application Note 1

Technical Articles 4

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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LT8627SP
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
DC3147A

LT8627SP |18V, 16A Synchronous Step-Down Silent Switcher with Low Noise Reference

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Product Details

Demonstration circuit 3147A is a 18V, 16A synchronous step-down Silent Switcher® 3 with ultralow noise, high efficiency and power density featuring the LT8627SP. The input voltage range of DC3147A is 2.7V to 18V. The default demo board setting is 1V at 16A maximum DC output current. The LT8627SP is a compact, ultralow noise, ultralow emission, high efficiency, and high speed synchronous monolithic step-down switching regulator. The uniquely designed combination of the ultralow noise reference and the third-generation Silent Switcher architecture enables the LT8627SP to achieve both high efficiency and excellent wideband noise performance. Minimum on-time of 15ns allows high VIN to low VOUT conversion at high frequencies.
DC3147A
LT8627SP |18V, 16A Synchronous Step-Down Silent Switcher with Low Noise Reference
DC3147A Evaluation Board DC3147A Evaluation Board - Top View DC3147A Evaluation Board - Bottom View

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