LTC3809IDD-1#PBF
RoHS 
RoHS compliant
RoHS compliantPackage 10-WFDFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3809 Buck Tube e3 DC to DC switching controller 5A 3mm 9.8V 550kHz
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Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 3 months ago)
Physical
Mounting Type Surface Mount
Package / Case 10-WFDFN Exposed Pad
Surface Mount YES
Number of Pins 10
Technical
Operating Temperature -40°C~85°C TA
Packaging Tube
Published 2008
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 10
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology CMOS
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.5mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LTC3809
Function Step-Down
Number of Outputs 1
Output Voltage 9.8V
Output Type Transistor Driver
Input Voltage-Nom 4.2V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Output Current 5A
Voltage - Supply (Vcc/Vdd) 2.75V~9.8V
Control Features Enable, Soft Start, Tracking
Input Voltage (Min) 2.75V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 550kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 600kHz
Duty Cycle (Max) 100%
Clock Sync No
Dimensions
Height Seated (Max) 0.8mm
Length 3mm
Width 3mm
Compliance
RoHS Status ROHS3 Compliant
Alternative Model
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