LTC3858IUH#TRPBF
RoHS 
RoHS compliant
RoHS compliantPackage 32-WFQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3858 Buck Tape & Reel (TR) PolyPhase? DC to DC switching controller 5mm 5.1V 105kHz~835kHz 350kHz~535kHz -40C~125C TJ
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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 32-WFQFN Exposed Pad
Surface Mount YES
Number of Pins 32
Technical
Operating Temperature -40°C~125°C TJ
Packaging Tape & Reel (TR)
Published 2010
Series PolyPhase?
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 32
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 LTC3858
Function Step-Down
Number of Outputs 2
Output Voltage 5.1V
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) 4V~38V
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start
Input Voltage (Min) 4V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 105kHz~835kHz 350kHz~535kHz
Input Voltage (Max) 38V
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PHASE-SHIFT
Max Frequency 850kHz
Duty Cycle (Max) 99.4%
Clock Sync No
Dimensions
Height Seated (Max) 0.8mm
Length 5mm
Width 5mm
Compliance
RoHS Status ROHS3 Compliant
Alternative Model
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