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LTM4658 Datasheet

LTM4658 Datasheet

Low VIN, High Efficiency 10A Step-Down DC/DC μModule Regulator
Part No.: LTM4658
Page: 28 Pages
Size: 2913 KB
Manufacturer: Linear Technology
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Views: 3
Update Time: 2024-12-10 22:13:31
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LTM4658 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTM4658EV#PBF Tray 490 4658 4LTV 4 25 -40°C ~ 125°C 25-Lead (4mm × 4mm × 4.32mm)  
LTM4658IV#PBF Tray 490 4658 4LTV 4 25 -40°C ~ 125°C 25-Lead (4mm × 4mm × 4.32mm)  
LTM4658EY#PBF Tray 490 4658 1LTY 4 25 -40°C ~ 125°C 25-Lead (4mm × 4mm × 4.32mm)  
LTM4658IY#PBF Tray 490 4658 1LTY 4 25 -40°C ~ 125°C 25-Lead (4mm × 4mm × 4.32mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTM4658 Datasheet(PDF)

LTM4658 Datasheet(Picture)

LTM4658 Features

  • Tiny Surface Mount, 4mm × 4mm × 4.32mm LGA and 4mm × 4mm × 4.62mm BGA Packages
  • Silent Switcher®2 Architecture
  • Ultralow EMI Noise
  • Input Voltage Range: 2.25V to 5.5V
  • Output Voltage Range: 0.5V to VIN
  • 10A DC Output Current
  • Current Mode Control, Fast Transient Response
  • Multiphase Parallel Current Sharing with Multiple LTM4658s
  • Output Soft-Start with Voltage Tracking
  • External Frequency Synchronization
  • Selectable Pulse-Skipping Mode
  • Power Good Indicator
  • Die Temperature Monitoring Output
  • Overvoltage, Overcurrent and Overtemperature Protection

LTM4658 Applications

  • Telecom, Datacom, Networking System
  • Optical Module
  • Industrial Equipment
  • Point-of-Load Regulation

LTM4658 Description

The LTM4658 is a complete 10A step-down switching mode μModule® regulator in tiny 4mm × 4mm × 4.32mm LGA and 4mm × 4mm × 4.62mm BGA packages. Included in the package are the switching controller, power MOSFETs, inductor and all support components. Operating over an input voltage range of 2.25V to 5.5V, the LTM4658 supports an output voltage range of 0.5V to VIN set by external resistors. Its high efficiency design delivers 10A continuous output current. Only ceramic input and output capacitors are needed.

The LTM4658 employs a Silent Switcher 2 architecture with internal hot loop bypass capacitors to achieve both low EMI and high efficiency at high switching frequencies.

The LTM4658 also supports frequency synchronization, multiphase operation, selectable pulse-skipping mode operation, output voltage tracking for supply rail sequencing. Its high switching frequency and a current mode architecture enables a very fast transient response to line and load changes without sacrificing stability.

Fault protection features include overvoltage, overcurrent and overtemperature protection. The LTM4658 is Pb-Free and RoHS compliant.

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