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LT8608 Datasheet

LT8608 Datasheet

42V, 1.5A Synchronous Step-Down Regulator with 2.5μA Quiescent Current
Part No.: LT8608
Page: 24 Pages
Size: 1810 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2025-01-03 09:23:34
DataSheet: Download

LT8608 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT8608EMSE#PBF Tube 50 LTGVZ 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT8608EMSE#TRPBF Reel 2500 LTGVZ 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT8608IMSE#PBF Tube 50 LTGVZ 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT8608IMSE#TRPBF Reel 2500 LTGVZ 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT8608HMSE#PBF Tube 50 LTGVZ 1 10 -40°C ~ 150°C 10-Lead Plastic MSOP  
LT8608HMSE#TRPBF Reel 2500 LTGVZ 1 10 -40°C ~ 150°C 10-Lead Plastic MSOP  
LT8608EDC#TRPBF Reel 2500 LGXB 1 8 -40°C ~ 125°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608EDC#TRMPBF Reel 500 LGXB 1 8 -40°C ~ 125°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608IDC#TRPBF Reel 2500 LGXB 1 8 -40°C ~ 125°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608IDC#TRMPBF Reel 500 LGXB 1 8 -40°C ~ 125°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608HDC#TRPBF Reel 2500 LGXB 1 8 -40°C ~ 150°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608HDC#TRMPBF Reel 500 LGXB 1 8 -40°C ~ 150°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608EMSE#WPBF Tube 50 LTGVZ 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT8608EMSE#WTRPBF Reel 2500 LTGVZ 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT8608IMSE#WPBF Tube 50 LTGVZ 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT8608IMSE#WTRPBF Reel 2500 LTGVZ 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT8608JMSE#WPBF Tube 50 LTGVZ 1 10 -40°C ~ 150°C 10-Lead Plastic MSOP  
LT8608JMSE#WTRPBF Reel 2500 LTGVZ 1 10 -40°C ~ 150°C 10-Lead Plastic MSOP  
LT8608HMSE#WPBF Tube 50 LTGVZ 1 10 -40°C ~ 150°C 10-Lead Plastic MSOP  
LT8608HMSE#WTRPBF Reel 2500 LTGVZ 1 10 -40°C ~ 150°C 10-Lead Plastic MSOP  
LT8608EDC#WTRPBF Reel 2500 LGXB 1 8 -40°C ~ 125°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608EDC#WTRMPBF Reel 500 LGXB 1 8 -40°C ~ 125°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608IDC#WTRPBF Reel 2500 LGXB 1 8 -40°C ~ 125°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608IDC#WTRMPBF Reel 500 LGXB 1 8 -40°C ~ 125°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608JDC#WTRPBF Reel 2500 LGXB 1 8 -40°C ~ 150°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608JDC#WTRMPBF Reel 500 LGXB 1 8 -40°C ~ 150°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608HDC#WTRPBF Reel 2500 LGXB 1 8 -40°C ~ 150°C 8-Lead (2mm × 2mm) Plastic DFN  
LT8608HDC#WTRMPBF Reel 500 LGXB 1 8 -40°C ~ 150°C 8-Lead (2mm × 2mm) Plastic DFN  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT8608 Datasheet(PDF)

LT8608 Datasheet(Picture)

LT8608 Features

  • Wide Input Voltage Range: 3.0V to 42V
  • Ultralow Quiescent Current Burst Mode® Operation:
    • <2.5μA IQ Regulating 12VIN to 3.3VOUT
    • Output Ripple <10mVP-P
  • High Efficiency 2MHz Synchronous Operation:
    • >92% Efficiency at 0.5A, 5VOUT from 12VIN
  • 1.5A Continuous Output Current
  • Fast Minimum Switch-On Time: 35ns
  • Adjustable and Synchronizable: 200kHz to 2.2MHz
  • Spread Spectrum Frequency Modulation for Low EMI
  • Allows Use of Small Inductors
  • Low Dropout
  • Peak Current Mode Operation
  • Accurate 1V Enable Pin Threshold
  • Internal Compensation
  • Output Soft-Start and Tracking
  • Small 10-Lead MSOP Package or 8-Lead 2mm × 2mm DFN Package
  • AEC-Q100 Qualified for Automotive Applications

LT8608 Applications

  • General Purpose Step Down
  • Low EMI Step Down

LT8608 Description

The LT8608 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7µA of quiescent current. The LT8608 can deliver 1.5A of continuous current. Low ripple Burst Mode operation enables high efficiency down to very low output currents while keeping the output ripple below 10mV. Internal compensation with peak current mode topology allows the use of small inductors and results in fast transient response and good loop stability. The EN/ UV pin has an accurate 1V threshold and can be used to program VIN undervoltage lockout or to shut down the LT8608. The PG flag signals when VOUT is within ±8.5% of the programmed output voltage as well as fault conditions.

The MSOP package includes a SYNC pin to synchronize to an external clock, or to select Burst Mode operation or pulse-skipping with or without spread-spectrum; the TR/SS pin programs soft-start or tracking. The DFN package omits these pins and can be purchased in pulse-skipping or Burst Mode operation varieties.

LT8608 Related Parts

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