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LTC3855IFE

LTC3855IFE

LTC3855IFE

Linear Technology/Analog Devices

38 Terminals 4.5V~38V LTC3855 DC to DC converter IC DUAL SWITCHING CONTROLLER 2 Outputs 250kHz~770kHz Transistor Driver

SOT-23

LTC3855IFE Datasheet

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Specifications
Name Value
Type Parameter
Mounting Type Surface Mount
Package / Case 38-TFSOP (0.173, 4.40mm Width) Exposed Pad
Surface Mount YES
Operating Temperature -40°C~125°C TJ
Packaging Tube
Series PolyPhase®
JESD-609 Code e3
Part Status Obsolete
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
JESD-30 Code R-PDSO-G38
Function Step-Down
Number of Outputs 2
Output Type Transistor Driver
Input Voltage-Nom 15V
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
Input Voltage (Max) 38V
Control Technique PHASE-SHIFT CONTROL
Synchronous Rectifier Yes
Switcher Configuration PHASE-SHIFT
Duty Cycle (Max) 95%
Clock Sync No
Length 9.7mm
Width 4.4mm
RoHS Status Non-RoHS Compliant
LTC3855IFE Product Details

LTC3855IFE Overview


Capsuled in the 38-TFSOP (0.173, 4.40mm Width) Exposed Pad package, the switching controller suits most application needs. The dc motor controller is adquate to generate for 2 outputs. The pmic is packaged in Tube solid enclosure. It is capable of dealing with Transistor Driver dc switching's output (s). dc switching'sThe supply and operating voltage of the dc control are 4.5V~38V. Qualified to work in a -40°C~125°C TJ dc switcher. This switching controller can switch at 250kHz~770kHz. Surface Mount makes it suitable for general dc dc regulator. The dcdc regulator features Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking for efficient switching control. The switch converters are connected to a DUAL SWITCHING CONTROLLER analog IC. Terminal (s) of the switching converters are designed at the DUAL position. 38 terminations with a variety of function. To name a few of the control techniques these dc dc converter ics adapt, it includes PHASE-SHIFT CONTROL. 15V nominal DC switcher's voltage input. Other relevant dc to dc converter ics can be found by searching "LTC3855". Switching converter is a type of Switching Regulator or Controllers in particular. The minimum input voltage of the dc dc voltage regulator should be 4.5V. It should be fully noted that the dc to dc regulator only accepts 38V input voltage at most. It belongs to the PolyPhase® series of dc to dc voltage regulator.

LTC3855IFE Features


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


LTC3855IFE Applications


There are a lot of Linear Technology/Analog Devices
LTC3855IFE DC to DC converter applications.


  • CNC system
  • Servo drive system
  • Digital display device
  • Linear guide
  • Ball screw pair
  • Computer application technology
  • Network technology
  • Automation technology
  • CMM
  • Various precision measuring instruments

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