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LTC3859EUHF#PBF
Linear Technology/Analog DevicesRoHS 
RoHS compliant
RoHS compliantPackage 38-WFQFN Exposed Pad
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3859 Buck Buck-Boost SEPIC Tube e3 DC to DC switching controller 25A 7mm 60V 115kHz~835kHz 350kHz~535kHz
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Pricing & Ordering
Inventory: 7593
Minimum: 1
Total Price: USD $7.17
Unit Price: USD $7.167675
≥1 USD $7.167675
≥10 USD $6.761964
≥100 USD $6.379207
≥500 USD $6.018119
≥1000 USD $5.677475
Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 1 week ago)
Physical
Mounting Type Surface Mount
Package / Case 38-WFQFN Exposed Pad
Surface Mount YES
Number of Pins 38
Technical
Operating Temperature -40°C~125°C TJ
Packaging Tube
Published 2010
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)
Subcategory Switching Regulator or Controllers
Technology CMOS
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.5mm
Base Part Number LTC3859
Function Step-Down, Step-Up/Step-Down
Number of Outputs 3
Output Voltage 60V
Output Type Transistor Driver
Input Voltage-Nom 12V
Number of Channels 1
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Output Current 25A
Voltage - Supply (Vcc/Vdd) 4.5V~38V
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking
Input Voltage (Min) 4.5V
Topology Buck, Buck-Boost, SEPIC
Control Mode CURRENT-MODE
Frequency - Switching 115kHz~835kHz 350kHz~535kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 850kHz
Duty Cycle (Max) 99%, 100%
Clock Sync No
Output Phases 2
Dimensions
Height Seated (Max) 0.8mm
Length 7mm
Width 5mm
Compliance
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Alternative Model
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