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LTM4650A Datasheet

LTM4650A Datasheet

Dual 25A or Single 50A DC/DC μModule Regulator with 1% DC Accuracy
Part No.: LTM4650A
Page: 38 Pages
Size: 4593 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2024-12-07 14:47:23
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LTM4650A Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTM4650AEV#PBF Tray 90 LTM4650AV 3 144 -40°C ~ 125°C 144-Lead LGA (16mm x 16mm x 4.41mm)  
LTM4650AIV#PBF Tray 90 LTM4650AV 3 144 -40°C ~ 125°C 144-Lead LGA (16mm x 16mm x 4.41mm)  
LTM4650AEY#PBF Tray 90 LTM4650AY 3 144 -40°C ~ 125°C 144-Lead BGA (16mm x 16mm x 5.01mm)  
LTM4650AIY#PBF Tray 90 LTM4650AY 3 144 -40°C ~ 125°C 144-Lead BGA (16mm x 16mm x 5.01mm)  
LTM4650AIY Tray 90 LTM4650AY 3 144 -40°C ~ 125°C 144-Lead BGA (16mm x 16mm x 5.01mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTM4650A Datasheet(PDF)

LTM4650A Datasheet(Picture)

LTM4650A Features

  • Dual 25A or Single 50A Output
  • Input Voltage Range: 4.5V to 16V
  • Output Voltage Range: 0.6V to 5.5V
  • ±1% Maximum Total DC Output Error Over Line, Load and Temperature
  • Higher Light Load Efficiency and Wider VOUT Range Than LTM4650-1
  • Differential Remote Sense Amplifier
  • Current Mode Control/Fast Transient Response
  • Multiphase Parallel Current Sharing Up to 300A
  • Internal Temperature Monitor
  • Pin Compatible with the LTM4620A (Dual 13A, Single 26A) and LTM4630A (Dual 18A, Single 36A)
  • Adjustable Switching Frequency or Synchronization
  • Overcurrent Foldback Protection
  • Selectable Burst Mode® Operation, Pulse-Skipping Mode Operation
  • Soft-Start/Voltage Tracking
  • Output Overvoltage Protection
  • 16mm x 16mm x 4.41mm LGA and16mm × 16mm × 5.01mm BGA Package

LTM4650A Applications

  • Telecom and Networking Equipment
  • Storage and ATCA Cards
  • Industrial Equipment

LTM4650A Description

The LTM4650A is a dual 25A or single 50A output switching mode step-down DC/DC μModule® (micromodule) regulator with ±1% total DC output error. Included in the package are the switching controllers, power FETs, inductors and all supporting components. Operating from an input voltage range of 4.5V to 16V, the LTM4650A supports two outputs with an output voltage range of 0.6V to 5.5V, each set by a single external resistor. Its high efficiency design delivers up to 25A continuous current for each output. Only a few input and output capacitors are needed. Fast internal control loop compensation allows for fast transient response to minimize output capacitance when powering FPGAs, ASICs, and processors.

Fault protection features include overvoltage and overcurrent protection. The LTM4650A is offered in 16mm × 16mm × 5.01mm BGA package.

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