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  • LTC3891IUDC#PBF

LTC3891IUDC#PBF

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


  • Manufacturer: Linear Technology/Analog Devices
  • Origchip NO: 471-LTC3891IUDC#PBF
  • Package: 20-WFQFN Exposed Pad
  • Datasheet: PDF
  • Stock: 205
  • Description: 20 Terminals 4V~60V 20-Pin 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
Lifecycle Status PRODUCTION (Last Updated: 1 week ago)
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Surface Mount YES
Number of Pins 20
Operating Temperature -40°C~125°C TJ
Packaging Tube
Published 2011
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
Function Step-Down
Number of Outputs 1
Output Voltage 24V
Output Type Transistor Driver
Input Voltage-Nom 12V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Output Current 5A
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
Max Frequency 835kHz
Duty Cycle (Max) 99%
Clock Sync No
Height Seated (Max) 0.8mm
Length 4mm
Width 3mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free

LTC3891IUDC#PBF Overview


It comes in the 20-WFQFN Exposed Pad package, which makes switching controller suitable for most applications. This dc motor controller can be used to generate outputs with 1 numbers. Packaged in solid enclosures, this pmic has a Tube rating. A total of Transistor Driver dc switching's outputs can be handled by it. dc controls with 4V~60V voltage are supplied and operated. 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. The Surface Mount makes it ideal for general dc dc regulator. For efficient switching control, the dcdc regulator features Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking. Connected to a SWITCHING CONTROLLER analog IC, the switch converters are connected to a power supply. Switching converters are designed with the terminal (s) at position QUAD . Different dc switching's functions can be applied to 20 terminations. Some of the control techniques adapted by these dc dc converter ics include PULSE WIDTH MODULATION. DC switcher's voltage input of 12V. LTC3891 can be searched for other relevant dc to dc converter ics. 20 pins are on switching converter. Particularly, switching converter is a type of Switching Regulator or Controllers. It is recommended that the dc dc voltage regulator's minimum input voltage be 4V. Statistically, DC regulator outputs 24V volts. It should be noted that the dc to dc regulator only accepts 60V voltage as input voltage. In most cases, the output current of the dc dc regulator will be 5A, so note that when you start the project. DC regulator835kHz has the maximum frequency. To better satisfy the need, DC to DC voltage regulator has a value of ALSO OPERATES IN ADJUSTABLE MODE FROM 0.80V TO 24V.

LTC3891IUDC#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

LTC3891IUDC#PBF Applications


There are a lot of Linear Technology/Analog Devices LTC3891IUDC#PBF DC to DC converter applications.

  • Power supplies of electronic gadgets
  • Electrical distribution systems
  • Computed tomography (CT)
  • Gear/thread machining machines
  • Television equipment
  • Balance equipment
  • Direct power supply system
  • Automation technology
  • Printing
  • Electric heating, lighting