LTC3891HFE#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 $9.35
Unit Price: USD $9.347788
≥1 USD $9.347788
≥10 USD $8.818673
≥100 USD $8.319499
≥500 USD $7.848584
≥1000 USD $7.404321
Inventory: 1146
Minimum: 1
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Technical Details
Technical
Voltage - Supply (Vcc/Vdd) 4V~60V
Output Current 5A
Output Configuration Positive
Analog IC - Other Type SWITCHING CONTROLLER
Input Voltage-Nom 12V
Output Type Transistor Driver
Output Voltage 24V
Number of Outputs 1
Function Step-Down
Base Part Number LTC3891
Terminal Pitch 0.65mm
Peak Reflow Temperature (Cel) 225
Terminal Form GULL WING
Terminal Position DUAL
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 Tube
Operating Temperature -40°C~150°C TJ
Clock Sync No
Duty Cycle (Max) 99%
Max Frequency 835kHz
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
Physical
Number of Pins 20
Surface Mount YES
Package / Case 20-TSSOP (0.173, 4.40mm Width) Exposed Pad
Mounting Type Surface Mount
Supply Chain
Lifecycle Status PRODUCTION (Last Updated: 1 week ago)
Factory Lead Time 8 Weeks
Compliance
Lead Free Lead Free
RoHS Status ROHS3 Compliant
Dimensions
Width 4.5mm
Length 6.5mm
Alternative Model
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