LTC3891IFE#PBF
RoHS 
RoHS compliant
RoHS compliantPackage 20-TSSOP (0.173, 4.40mm Width) Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3891 Buck Tube e3 DC to DC switching controller 5A 6.5mm 24V 105kHz~835kHz 350kHz~535kHz
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Buying Options
Total Price: USD $10.55
Unit Price: USD $10.5512
≥1 USD $10.5512
≥10 USD $9.53568
≥100 USD $9.091949
≥500 USD $7.894489
≥1000 USD $7.539699
≥3000 USD $6.874428
Inventory: 1710
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 1 week ago)
Physical
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173, 4.40mm Width) Exposed Pad
Surface Mount YES
Number of Pins 20
Technical
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 DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 225
Terminal Pitch 0.65mm
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
Dimensions
Length 6.5mm
Width 4.5mm
Compliance
RoHS Status ROHS3 Compliant
Alternative Model
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