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LTC3891EUDC#TRPBF

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-LTC3891EUDC#TRPBF
Package: 20-WFQFN Exposed Pad
Datasheet: PDF
Stock: 277
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: 3 weeks 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	Tape & Reel (TR)
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

LTC3891EUDC#TRPBF Overview

Capsuled in the 20-WFQFN Exposed Pad package, the switching controller can be used for a wide range of applications. The dc motor controller is adquate to generate for 1 outputs. A solid enclosure of Tape & Reel (TR) surrounds pmic. A total of Transistor Driver dc switching's outputs can be handled by it. dc control's supply and operating voltages are 4V~60V. Worked in a -40°C~125°C TJ dc switcher before. It can switch at 105kHz~835kHz 350kHz~535kHz. The Surface Mount value makes it suitable for general dc dc regulator. DCDC regulator is controlled efficiently by Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking. The switch converters are connected to an analog IC with a SWITCHING CONTROLLER output. There are a QUAD terminal on the switching converters. The 20 terminations can be used for a wide range of dc switching. These dc dc converter ics adapt a variety of control techniques, including PULSE WIDTH MODULATION. There is a DC switcher's nominal voltage of 12V. A search for "LTC3891" will reveal other relevant dc to dc converter ics. Switching converter has a total of 20 pins. Specifically, switching converter falls under the Switching Regulator or Controllers category. 4V should be the minimum input voltage for the dc dc voltage regulator. Test statistics indicate DC regulator outputs 24V voltage. It should be fully noted that the dc to dc regulator only accepts 60V input voltage at most. If you are starting a new project, you should note the dc dc regulator's typical output current is 5A. 835kHz is the maximum frequency of this dc regulators. As a result, DC to DC voltage regulator has a value of ALSO OPERATES IN ADJUSTABLE MODE FROM 0.80V TO 24V so that the need can be met more directly.

LTC3891EUDC#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

LTC3891EUDC#TRPBF Applications

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

Die casting equipment
Network technology
Sensitive electronic devices
Grinders
Post equipment
Window air conditioners
Printing equipment
Smart grid
Computer rooms
Direct power supply system