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LT3502 Datasheet

LT3502 Datasheet

1.1MHz, 500mA Step-Down Regulators in 2mm × 2mm DFN and MS10
Part No.: LT3502
Page: 24 Pages
Size: 491 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2023-11-30 17:26:04
DataSheet: Download

LT3502 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT3502EDC#PBF Tube   LCLV 1 8 -40°C ~ 125°C 8-Lead 2mm × 2mm Plastic DFN  
LT3502EDC#TRPBF Reel 2500 LCLV 1 8 -40°C ~ 125°C 8-Lead 2mm × 2mm Plastic DFN  
LT3502EDC#TRMPBF Reel 500 LCLV 1 8 -40°C ~ 125°C 8-Lead 2mm × 2mm Plastic DFN  
LT3502IDC#PBF Tube   LCLV 1 8 -40°C ~ 125°C 8-Lead 2mm × 2mm Plastic DFN  
LT3502IDC#TRPBF Reel 2500 LCLV 1 8 -40°C ~ 125°C 8-Lead 2mm × 2mm Plastic DFN  
LT3502IDC#TRMPBF Reel 500 LCLV 1 8 -40°C ~ 125°C 8-Lead 2mm × 2mm Plastic DFN  
LT3502EMS#PBF Tube 50 LTDTR 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT3502EMS#TRPBF Reel 2500 LTDTR 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT3502EMS#TRMPBF Reel 500 LTDTR 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT3502IMS#PBF Tube 50 LTDTR 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT3502IMS#TRPBF Reel 2500 LTDTR 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT3502IMS#TRMPBF Reel 500 LTDTR 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT3502 Datasheet(PDF)

LT3502 Datasheet(Picture)

LT3502 Features

  • 3V to 40V Input Voltage Range
  • 500mA Output Current
  • Switching Frequency: 1.1MHz (LT3502)
  • 800mV Feedback Voltage
  • Short-Circuit Robust
  • Soft-Start
  • Low Shutdown Current: <2μA
  • Internally Compensated
  • Internal Boost Diode
  • Thermally Enhanced 2mm × 2mm 8-Lead DFN and 10-Lead MS10 Package

LT3502 Applications

  • Automotive Systems
  • Battery-Powered Equipment
  • Wall Transformer Regulation
  • Distributed Supply Regulation

LT3502 Description

The LT3502 are current mode PWM step-down DC/DC converters with an internal 500mA power switch, in tiny 8-lead 2mm × 2mm DFN and 10-lead MS10 packages. The wide input voltage range of 3V to 40V makes the LT3502 suitable for regulating power from a wide variety of sources, including 24V industrial supplies and automotive batteries. Its high operating frequency allows the use of tiny, low cost inductors and capacitors, resulting in a very small solution. 

Cycle-by-cycle current limit and frequency foldback provide protection against shorted outputs. Soft-start and frequency foldback eliminates input current surge during start-up. DA current sense provides further protection in fault conditions. An internal boost diode reduces component count.

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