LTC3811EUHF#TRPBF
RoHS 
RoHS compliant
RoHS compliantPackage 38-WFQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3811 Buck Tape & Reel (TR) PolyPhase? DC to DC switching controller 7mm 3.3V 250kHz~750kHz -40C~85C TA
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Buying Options
Total Price: USD $6.98
Unit Price: USD $6.9806
≥1 USD $6.9806
≥10 USD $5.72755
≥100 USD $5.54895
≥500 USD $5.37035
≥1000 USD $5.1908
≥1000 USD $4.65405
Inventory: 67
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 16 Weeks
Lifecycle Status PRODUCTION (Last Updated: 3 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 Tape & Reel (TR)
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
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