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  • LTC3855EFE#TRPBF

LTC3855EFE#TRPBF

38 Terminals 4.5V~38V 38-Pin LTC3855 DC to DC converter ICDUAL SWITCHING CONTROLLER 2 Outputs 250kHz~770kHz Transistor Driver


  • Manufacturer: Linear Technology/Analog Devices
  • Origchip NO: 471-LTC3855EFE#TRPBF
  • Package: 38-TFSOP (0.173, 4.40mm Width) Exposed Pad
  • Datasheet: PDF
  • Stock: 154
  • Description: 38 Terminals 4.5V~38V 38-Pin LTC3855 DC to DC converter ICDUAL SWITCHING CONTROLLER 2 Outputs 250kHz~770kHz Transistor Driver (Kg)

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Details

Tags

Parameters
Length 9.7mm
Width 4.4mm
RoHS Status ROHS3 Compliant
Factory Lead Time 16 Weeks
Lifecycle Status PRODUCTION (Last Updated: 3 weeks ago)
Mounting Type Surface Mount
Package / Case 38-TFSOP (0.173, 4.40mm Width) Exposed Pad
Surface Mount YES
Number of Pins 38
Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
Published 2009
Series PolyPhase®
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 38
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.5mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LTC3855
Function Step-Down
Number of Outputs 2
Output Voltage 12.5V
Output Type Transistor Driver
Input Voltage-Nom 15V
Number of Channels 1
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Voltage - Supply (Vcc/Vdd) 4.5V~38V
Control Features Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
Input Voltage (Min) 4.5V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 250kHz~770kHz
Control Technique PHASE-SHIFT CONTROL
Synchronous Rectifier Yes
Switcher Configuration PHASE-SHIFT
Max Frequency 850kHz
Duty Cycle (Max) 95%
Clock Sync No

LTC3855EFE#TRPBF Overview


The switching controller fits in the 38-TFSOP (0.173, 4.40mm Width) Exposed Pad package and is ideal for most applications. For outputs of 2, this dc motor controller is suitable. The pmic is packaged in Tape & Reel (TR) solid enclosure. A total of Transistor Driver dc switching's outputs can be handled by it. dc control's supply and operating voltages are 4.5V~38V. Worked in a -40°C~85°C TA dc switcher before. Switching can be done at 250kHz~770kHz with this switching controller. As it has a Surface Mount value, it can be used for general dc dc regulator. For efficient switching control, the dcdc regulator features Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking. Thare switch converters are connected to an analog integrated circuit (IC) of type DUAL SWITCHING CONTROLLER. Terminal (s) of the switching converters are designed at the DUAL position. A variety of terminations with 38 of dc switching. A few of the control techniques these dc dc converter ics adapt include PHASE-SHIFT CONTROL. The nominal DC switcher's voltage input is 15V. Searching "LTC3855" will return other relevant dc to dc converter ics. Pins number 38 of switching converter in total. Switching converter is a special type of Switching Regulator or Controllers. It is recommended that the input voltage of the dc dc voltage regulator be 4.5V. Statistically, the DC regulator outputs 12.5V voltage. The max frequency of the pmic can reach 850kHz. The dc to dc voltage regulator belongs to the PolyPhase? series. Channels are 1 for high-quality communication.

LTC3855EFE#TRPBF Features


Transistor Driver Outputs
Switching Frequency: 250kHz~770kHz
Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
PHASE-SHIFT CONTROL

LTC3855EFE#TRPBF Applications


There are a lot of Linear Technology/Analog Devices LTC3855EFE#TRPBF DC to DC converter applications.

  • seismic instrument power circuits
  • Laboratories
  • Various precision measuring detectors
  • Printing
  • Printing equipment
  • Textile machinery
  • Surface processing equipment
  • Thermal power
  • Elevator lighting
  • Low output voltage switching power supply circuits