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LTC3891IFE#TRPBF

LTC3891IFE#TRPBF

LTC3891IFE#TRPBF

Linear Technology/Analog Devices

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

SOT-23

LTC3891IFE#TRPBF Datasheet

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In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 8 Weeks
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173, 4.40mm Width) Exposed Pad
Surface Mount YES
Operating Temperature -40°C~125°C TJ
Packaging Tape & Reel (TR)
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 DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 225
Terminal Pitch 0.65mm
Base Part Number LTC3891
JESD-30 Code R-PDSO-G20
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
Length 6.5mm
Width 4.5mm
RoHS Status ROHS3 Compliant
Pricing & Ordering
Quantity Unit Price Ext. Price
2,500 $5.23900 $10.478
LTC3891IFE#TRPBF Product Details

LTC3891IFE#TRPBF Overview


Capsuled in the 20-TSSOP (0.173, 4.40mm Width) Exposed Pad package, the switching controller can be used for a wide range of applications. For 1 outputs, the dc motor controller is appropriate. PMIC is packaged in a solid enclosure of Tape & Reel (TR). Transistor Driver dc switching's outputs (s) can be handled by it. DC control operates at 4V~60V volts and has 4V~60V supply voltage. Worked in a -40°C~125°C TJ dc switcher before. There is a switch at 105kHz~835kHz 350kHz~535kHz that can be used with this controller. As it has a Surface Mount value, it can be used for general dc dc regulator. Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking is used for efficient switching control in the dcdc regulator. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. Thare switching converters has a terminal (s) at DUAL . 20 terminations with various dc switching's functions. Some of the control techniques used by these dc dc converter ics are PULSE WIDTH MODULATION. The DC switcher's nominal voltage is 12V. You can find other relevant dc to dc converter ics by searching "LTC3891". Specially, switching converter corresponds to type Switching Regulator or Controllers. 4V should be the minimum input voltage for the dc dc voltage regulator. As determined by the test statistics, the output voltage of DC regulator is 5.1V. The dc to dc regulator can only accept 60V input voltage. This value is ALSO OPERATES IN ADJUSTABLE MODE FROM 0.80V TO 24V so that DC to DC voltage regulator better serves the purpose.

LTC3891IFE#TRPBF 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

LTC3891IFE#TRPBF Applications


There are a lot of Linear Technology/Analog Devices LTC3891IFE#TRPBF DC to DC converter applications.

  • Automation technology
  • Printing
  • Emergency lighting monitoring equipment
  • Smoke prevention equipment
  • Special machining machine tools
  • Linear guide
  • Elevator lighting
  • Motor controller circuits
  • CMM
  • Window air conditioners

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