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  • LTC3891EUDC#PBF

LTC3891EUDC#PBF

20 Terminals 4V~60V LTC3891 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 105kHz~835kHz 350kHz~535kHz Transistor Driver


  • Manufacturer: Linear Technology/Analog Devices
  • Origchip NO: 471-LTC3891EUDC#PBF
  • Package: 20-WFQFN Exposed Pad
  • Datasheet: PDF
  • Stock: 425
  • Description: 20 Terminals 4V~60V LTC3891 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 105kHz~835kHz 350kHz~535kHz Transistor Driver (Kg)

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Details

Tags

Parameters
Factory Lead Time 8 Weeks
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Surface Mount YES
Operating Temperature -40°C~125°C TJ
Packaging Tube
Published 2012
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Additional Feature ALSO OPERATES IN ADJUSTABLE MODE FROM 0.80V TO 24V
Subcategory Switching Regulator or Controllers
Technology CMOS
Terminal Position QUAD
Peak Reflow Temperature (Cel) 225
Terminal Pitch 0.5mm
Base Part Number LTC3891
JESD-30 Code S-PQCC-N20
Function Step-Down
Number of Outputs 1
Output Voltage 5.1V
Output Type Transistor Driver
Input Voltage-Nom 12V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Voltage - Supply (Vcc/Vdd) 4V~60V
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Input Voltage (Min) 4V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 105kHz~835kHz 350kHz~535kHz
Input Voltage (Max) 60V
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Duty Cycle (Max) 99%
Clock Sync No
Height Seated (Max) 0.8mm
Length 4mm
Width 3mm
RoHS Status ROHS3 Compliant

LTC3891EUDC#PBF Overview


With its 20-WFQFN Exposed Pad package, the switching controller fits the needs of most applications. It is sufficient to generate 1 outputs with this dc motor controller. Tube is the solid enclosure in which PMIC is packaged. With this function, you can deal with Transistor Driver dc switching's outputs (s). This dc control has a supply voltage and operating voltage of 4V~60V. A -40°C~125°C TJ dc switcher is not a problem. In this switching controller, the switch can be set to 105kHz~835kHz 350kHz~535kHz. Surface Mount makes it suitable for general dc dc regulator. To ensure efficient switching, this dcdc regulator features a Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking. Switch converters are connected to ICs with SWITCHING CONTROLLER analog outputs. Thare switching converters has a terminal (s) at QUAD . A variety of terminations with 20 of dc switching. PULSE WIDTH MODULATION is an example of one of the control techniques these dc dc converter ics adapt. The DC switcher's nominal voltage is 12V. You can find other relevant dc to dc converter ics by searching "LTC3891". Switching converter is a special type of Switching Regulator or Controllers. The minimum input voltage of the dc dc voltage regulator should be 4V. As determined by the test statistics, the output voltage of DC regulator is 5.1V. A maximum voltage of 60V is accepted by the dc to dc regulator as an input voltage. DC to DC voltage regulator has the value of ALSO OPERATES IN ADJUSTABLE MODE FROM 0.80V TO 24V to better satisfy the requirement.

LTC3891EUDC#PBF Features


Transistor Driver Outputs
Switching Frequency: 105kHz~835kHz 350kHz~535kHz
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
PULSE WIDTH MODULATION
ALSO OPERATES IN ADJUSTABLE MODE FROM 0.80V TO 24V

LTC3891EUDC#PBF Applications


There are a lot of Linear Technology/Analog Devices LTC3891EUDC#PBF DC to DC converter applications.

  • Surge protection circuits
  • CNC system
  • Laboratories
  • ATMs
  • Various precision measuring detectors
  • Gear/thread machining machines
  • Nuclear power plants
  • Low output voltage switching power supply circuits
  • Flaw detection equipment
  • Smart grid