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LTC3115-2 Datasheet

LTC3115-2 Datasheet

40V, 2A Synchronous Buck-Boost DC/DC Converter
Part No.: LTC3115-2
Page: 42 Pages
Size: 3368 KB
Manufacturer: Linear Technology
Logo:
Views: 2
Update Time: 2023-09-19 16:39:43
DataSheet: Download

LTC3115-2 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC3115EDHD-2#PBF Tube 73 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115EDHD-2#TRPBF Reel 2500 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115EDHD-2#TRMPBF Reel 500 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115IDHD-2#PBF Tube 73 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115IDHD-2#TRPBF Reel 2500 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115IDHD-2#TRMPBF Reel 500 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115EFE-2#PBF Tube 74 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115EFE-2#TRPBF Reel 2500 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115EFE-2#TRMPBF Reel 500 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115IFE-2#PBF Tube 74 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115IFE-2#TRPBF Reel 2500 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115IFE-2#TRMPBF Reel 500 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115HFE-2#PBF Tube 74 LTC3115FE-2 1 20 -40°C ~ 150°C 20-Lead Plastic TSSOP  
LTC3115HFE-2#TRPBF Reel 2500 LTC3115FE-2 1 20 -40°C ~ 150°C 20-Lead Plastic TSSOP  
LTC3115HFE-2#TRMPBF Reel 500 LTC3115FE-2 1 20 -40°C ~ 150°C 20-Lead Plastic TSSOP  
LTC3115MPFE-2#PBF Tube 74 LTC3115FE-2 1 20 -55°C ~ 150°C 20-Lead Plastic TSSOP  
LTC3115MPFE-2#TRPBF Reel 2500 LTC3115FE-2 1 20 -55°C ~ 150°C 20-Lead Plastic TSSOP  
LTC3115MPFE-2#TRMPBF Reel 500 LTC3115FE-2 1 20 -55°C ~ 150°C 20-Lead Plastic TSSOP  
LTC3115EDHD-2#WPBF Tube 73 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115EDHD-2#WTRPBF Reel 2500 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115EDHD-2#WTRMPBF Reel 500 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115IDHD-2#WPBF Tube 73 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115IDHD-2#WTRPBF Reel 2500 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115IDHD-2#WTRMPBF Reel 500 31152 1 16 -40°C ~ 125°C 16-Lead (5mm × 4mm) Plastic DFN  
LTC3115EFE-2#WPBF Tube 74 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115EFE-2#WTRPBF Reel 2500 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115EFE-2#WTRMPBF Reel 500 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115IFE-2#WPBF Tube 74 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115IFE-2#WTRPBF Reel 2500 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
LTC3115IFE-2#WTRMPBF Reel 500 LTC3115FE-2 1 20 -40°C ~ 125°C 20-Lead Plastic TSSOP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC3115-2 Datasheet(PDF)

LTC3115-2 Datasheet(Picture)

LTC3115-2 Features

  • Wide VIN Range: 2.7V to 40V
  • Wide VOUT Range: 2.7V to 40V
  • 0.8A Output Current for VIN ≥ 3.6V, VOUT = 5V
  • 2A Output Current in Step-Down Operation for VIN ≥ 6V
  • Programmable Frequency: 100kHz to 2MHz
  • Synchronizable Up to 2MHz with an External Clock
  • Up to 95% Efficiency
  • 30µA No-Load Quiescent Current in Burst Mode® Operation
  • Ultralow Noise Buck-Boost PWM
  • Internal Soft-Start
  • 3µA Supply Current in Shutdown
  • Programmable Input Undervoltage Lockout
  • Small 4mm × 5mm × 0.75mm DFN Package
  • Thermally Enhanced 20-Lead TSSOP Package
  • AEC-Q100 Qualified for Automotive Applications

LTC3115-2 Applications

  • 24V/28V Industrial Applications
  • Automotive Power Systems
  • Telecom, Servers and Networking Equipment
  • FireWire Regulator
  • Multiple Power Source Supplies

LTC3115-2 Description

The LTC3115-2 is a high voltage monolithic synchronous buck-boost DC/DC converter optimized for applications subject to fast (<1ms) input voltage transients. For all other applications, the LTC3115-1 is recommended. With its wide 2.7V to 40V input and output voltage ranges, the LTC3115-2 is well suited for use in a wide variety of automotive and industrial power supplies. A proprietary low noise switching algorithm optimizes efficiency with input voltages that are above, below or even equal to the output voltage and ensures seamless transitions between operational modes.

Programmable frequency PWM mode operation provides low noise, high efficiency operation and the ability to synchronize switching to an external clock. Switching frequencies up to 2MHz are supported to allow use of small value inductors for miniaturization of the application circuit. Pin selectable Burst Mode operation reduces standby current and improves light load efficiency which, combined with a 3µA shutdown current, make the LTC3115-2 ideally suited for battery-powered applications. Additional features include output disconnect in shutdown, short-circuit protection and internal soft-start. The LTC3115-2 is available in thermally enhanced 16-lead 4mm × 5mm × 0.75mm DFN and 20-lead TSSOP packages.

LTC3115-2 Datasheet Related Parts

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