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LT8610AC-1 Datasheet

LT8610AC-1 Datasheet

42V, 3.5A Synchronous Step-Down Regulator with 2.5μA Quiescent Current
Part No.: LT8610AC-1
Page: 26 Pages
Size: 1811 KB
Manufacturer: Linear Technology
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Views: 2
Update Time: 2023-09-19 10:14:41
DataSheet: Download

LT8610AC-1 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT8610ACEMSE-1#PBF Tube 37 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACEMSE-1#TRPBF Reel 2500 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACEMSE-1#TRMPBF Reel 500 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACIMSE-1#PBF Tube 37 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACIMSE-1#TRPBF Reel 2500 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACIMSE-1#TRMPBF Reel 500 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACHMSE-1#PBF Tube 37 610AC1 1 16 -40°C ~ 150°C 16-Lead Plastic MSOP  
LT8610ACHMSE-1#TRPBF Reel 2500 610AC1 1 16 -40°C ~ 150°C 16-Lead Plastic MSOP  
LT8610ACHMSE-1#TRMPBF Reel 500 610AC1 1 16 -40°C ~ 150°C 16-Lead Plastic MSOP  
LT8610ACEMSE-1#WPBF Tube 37 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACEMSE-1#WTRPBF Reel 2500 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACEMSE-1#WTRMPBF Reel 500 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACIMSE-1#WPBF Tube 37 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACIMSE-1#WTRPBF Reel 2500 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACIMSE-1#WTRMPBF Reel 500 610AC1 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LT8610ACHMSE-1#WPBF Tube 37 610AC1 1 16 -40°C ~ 150°C 16-Lead Plastic MSOP  
LT8610ACHMSE-1#WTRPBF Reel 2500 610AC1 1 16 -40°C ~ 150°C 16-Lead Plastic MSOP  
LT8610ACHMSE-1#WTRMPBF Reel 500 610AC1 1 16 -40°C ~ 150°C 16-Lead Plastic MSOP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT8610AC-1 Datasheet(PDF)

LT8610AC-1 Datasheet(Picture)

LT8610AC-1 Features

  • LT8610 Feature Set, Plus:
    • 3V Minimum Input Voltage
    • 800mV Feedback Voltage
    • 3.5A Maximum Output Current
    • Fast 30ns Minimum Switch-On Time
    • Improved Burst Mode Efficiency
    • Improved EMI
  • Wide Input Voltage Range: 3V to 42V
  • Ultralow Quiescent Current Burst Mode® Operation:
    • 2.5μA IQ Regulating 12VIN to 3.3VOUT
  • Low Dropout Under All Conditions: 200mV at 1A
  • High Efficiency Synchronous Operation:
    • 95% Efficiency at 1A, 5VOUT from 12VIN
    • 93% Efficiency at 1A, 3.3VOUT from 12VIN
  • Safely Tolerates Inductor Saturation in Overload
  • Adjustable and Synchronizable Frequency:
    • LT8610AC-1: 1.5MHz to 2.2MHz
  • Accurate 1.015V Enable Pin Threshold
  • Output Soft-Start and Tracking
  • Small Thermally Enhanced 16-Lead MSOP Package
  • AEC-Q100 Qualified for Automotive Applications

LT8610AC-1 Applications

  • Automotive and Industrial Supplies
  • GSM Power Supplies

LT8610AC-1 Description

The LT8610AC-1 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 2.5μA of quiescent current. Compared to the LT8610AB, the LT8610AC-1 has a lower feedback voltage of 800mV and a lower minimum VIN of 3V. The LT8610AC-1 has the same additional features of the LT8610AB as compared to the LT8610: higher maximum output current of 3.5A, faster minimum on time of 30ns, and higher light load efficiency.

The LT8610AC-1 has a SYNC pin for synchronization to an external clock. A capacitor on the TR/SS pin programs the output voltage ramp rate during startup. The PG flag signals when VOUT is within ±8% of the programmed output voltage as well as fault conditions. The LT8610AC-1 has internal compensation optimized for high switching frequencies resulting in improved transient response compared to the LT8610AC. The LT8610AC-1 also has a feature which will soft-start the part when exiting dropout or brownout conditions reducing output voltage overshoot.

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