LTC3811EUHF#PBF
RoHS 
RoHS compliant
RoHS compliantPackage 38-WFQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3811 Buck Tube PolyPhase? DC to DC switching controller 7mm 3.3V 250kHz~750kHz -40C~85C TA
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Buying Options
Total Price: USD $9.48
Unit Price: USD $9.4776
≥1 USD $9.4776
≥10 USD $8.56064
≥100 USD $8.162678
≥500 USD $7.087634
≥1000 USD $6.769092
≥3000 USD $6.171827
Inventory: 96
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 26 Weeks
Lifecycle Status PRODUCTION (Last Updated: 2 weeks ago)
Physical
Mounting Type Surface Mount
Package / Case 38-WFQFN Exposed Pad
Surface Mount YES
Number of Pins 38
Technical
Operating Temperature -40°C~85°C TA
Packaging Tube
Published 2007
Series PolyPhase?
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 38
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Terminal Position QUAD
Terminal Form NO LEAD
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.5mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LTC3811
Function Step-Down
Number of Outputs 2
Qualification Status Not Qualified
Output Voltage 3.3V
Output Type Transistor Driver
Input Voltage-Nom 12V
Number of Channels 1
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Voltage - Supply (Vcc/Vdd) 4.5V~30V
Control Features Current Limit, Enable, Phase Control, Power Good, Soft Start, Tracking
Input Voltage (Min) 4.5V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 250kHz~750kHz
Input Voltage (Max) 30V
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 850kHz
Duty Cycle 90 %
Dimensions
Height Seated (Max) 0.8mm
Length 7mm
Width 5mm
Compliance
RoHS Status ROHS3 Compliant
Alternative Model
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