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LT8604C Datasheet

LT8604C Datasheet

High Efficiency 42V/120mA Synchronous Bucks
Part No.: LT8604C
Page: 28 Pages
Size: 4801 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2023-11-13 10:20:13
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LT8604C Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT8604CAV#TRPBF Reel 2500 LHJD 1 12 -40°C ~ 125°C 12-Lead (2mm × 2mm) LQFN (LaminatePackage with QFN footprint)  
LT8604CAV#TRMPBF Reel 500 LHJD 1 12 -40°C ~ 125°C 12-Lead (2mm × 2mm) LQFN (LaminatePackage with QFN footprint)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT8604C Datasheet(PDF)

LT8604C Datasheet(Picture)

LT8604C Features

  • High Efficiency 2MHz Synchronous Operation
    • > 90% Efficiency at 50mA, 12VIN to 5VOUT
    • Pin Selectable Forced Continuous or Burst Mode® Operation (LT8604C Only)
  • Ultralow Quiescent Current Burst Mode Operation
    • < 2.5μA IQ Regulating 24VIN to 3.3VOUT
    • Output Ripple < 10mVP-P
  • Wide Input Voltage Range: 3.2V to 42V
  • Fast Minimum Switch-On Time: 35ns
  • Adjustable (All) and Synchronizable (LT8604C Only) Switching Frequency: 200kHz to 2.2MHz
  • Accurate 1V Enable Pin Threshold (All) with Adjustable Hysteresis (LT8604C Only)
  • Internal Compensation
  • Output Soft-Start and Tracking
  • Small 12-Lead 2mm × 2mm LQFN (LT8604C) Package

LT8604C Applications

  • Industrial Sensors
  • Industrial Internet of Things
  • 4mA to 20mA Current Loops
  • Flow Meters
  • Automotive Housekeeping Supplies

LT8604C Description

The LT8604C is a compact, high speed synchronous monolithic step-down switching regulator that delivers up to 120mA to the output with high efficiency at a constant frequency, even up to 2.2MHz. It accepts a wide input voltage range up to 42V and consumes only 2.5μA of quiescent current when operating in Burst Mode. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components.

The LT8604C includes BST and INTVCC ceramic capacitors for a more compact solution while having SYNC/MODE and HYST pins. The SYNC/MODE pin selects the regulator’s operation between forced continuous mode, for predictive interference in sampling systems, Burst Mode, for increased efficiency at light loads or spread spectrum for Low EMI. It also allows synchronization to an external clock to further increase signal to noise ratio in high-resolution acquisition systems.

A PG flag signals when VOUT is within ±7.5% of the programmed output voltage and when in fault conditions. Thermal shutdown provides additional protection.

LT8604C Datasheet Related Parts

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