LTC3891MPUDC#TRPBF
RoHS 
RoHS compliant
RoHS compliantPackage 20-WFQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3891 Buck Tape & Reel (TR) S-PQCC-N20 DC to DC switching controller 4mm 5.1V 105kHz~835kHz 350kHz~535kHz -55C~150C TJ
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Technical Details
Compliance
RoHS Status ROHS3 Compliant
Dimensions
Width 3mm
Length 4mm
Height Seated (Max) 0.8mm
Technical
Clock Sync No
Duty Cycle (Max) 99%
Switcher Configuration PUSH-PULL
Synchronous Rectifier Yes
Control Technique PULSE WIDTH MODULATION
Input Voltage (Max) 60V
Frequency - Switching 105kHz~835kHz 350kHz~535kHz
Control Mode CURRENT-MODE
Topology Buck
Input Voltage (Min) 4V
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Voltage - Supply (Vcc/Vdd) 4V~60V
Output Configuration Positive
Analog IC - Other Type SWITCHING CONTROLLER
Input Voltage-Nom 12V
Output Type Transistor Driver
Output Voltage 5.1V
Number of Outputs 1
Function Step-Down
JESD-30 Code S-PQCC-N20
Base Part Number LTC3891
Terminal Pitch 0.5mm
Terminal Position QUAD
Technology CMOS
Subcategory Switching Regulator or Controllers
Additional Feature ALSO OPERATES IN ADJUSTABLE MODE FROM 0.80V TO 24V
Terminal Finish Matte Tin (Sn)
ECCN Code EAR99
Number of Terminations 20
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Part Status Active
JESD-609 Code e3
Published 2012
Packaging Tape & Reel (TR)
Operating Temperature -55°C~150°C TJ
Physical
Surface Mount YES
Package / Case 20-WFQFN Exposed Pad
Mounting Type Surface Mount
Supply Chain
Factory Lead Time 16 Weeks
Alternative Model
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