LTC3859ALIFE#TRPBF
RoHS 
RoHS compliant
RoHS compliantPackage 38-TFSOP (0.173, 4.40mm Width) Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
CURRENT-MODE CMOS DUAL Surface Mount DC-DC Controller IC -40C~125C TJ 115kHz~835kHz 350kHz~535kHz 4.5V 9.7mm
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Technical Details
Compliance
RoHS Status ROHS3 Compliant
Dimensions
Width 4.4mm
Length 9.7mm
Technical
Output Phases 2
Clock Sync No
Duty Cycle (Max) 99%, 100%
Synchronous Rectifier Yes
Control Technique PULSE WIDTH MODULATION
Frequency - Switching 115kHz~835kHz 350kHz~535kHz
Control Mode CURRENT-MODE
Topology Buck, Buck-Boost, SEPIC
Input Voltage (Min) 4.5V
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking
Voltage - Supply (Vcc/Vdd) 4.5V~38V
Output Configuration Positive
Analog IC - Other Type SWITCHING CONTROLLER
Input Voltage-Nom 12V
Output Type Transistor Driver
Number of Outputs 3
Function Step-Down, Step-Up/Step-Down
Base Part Number LTC3859
Terminal Pitch 0.5mm
Terminal Form GULL WING
Terminal Position DUAL
Technology CMOS
Subcategory Switching Regulator or Controllers
Terminal Finish Matte Tin (Sn)
ECCN Code EAR99
Number of Terminations 38
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Part Status Active
JESD-609 Code e3
Published 2013
Packaging Tape & Reel (TR)
Operating Temperature -40°C~125°C TJ
Physical
Surface Mount YES
Package / Case 38-TFSOP (0.173, 4.40mm Width) Exposed Pad
Mounting Type Surface Mount
Supply Chain
Factory Lead Time 16 Weeks
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