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LTC3859AHUHF#PBF
RoHS 
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 7mm 5.4V 115kHz~835kHz 350kHz~535kHz -40C~150C TJ
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Buying Options
Total Price: USD $12.53
Unit Price: USD $12.533845
≥1 USD $12.533845
≥10 USD $11.824384
≥100 USD $11.155078
≥500 USD $10.523662
≥1000 USD $9.92798
Inventory: 3617
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Physical
Mounting Type Surface Mount
Package / Case 38-WFQFN Exposed Pad
Surface Mount YES
Technical
Operating Temperature -40°C~150°C TJ
Packaging Tube
Published 2011
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
Terminal Pitch 0.5mm
Base Part Number LTC3859
Function Step-Down, Step-Up/Step-Down
Number of Outputs 3
Output Voltage 5.4V
Output Type Transistor Driver
Input Voltage-Nom 12V
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
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 PHASE-SHIFT
Duty Cycle (Max) 99%, 100%
Clock Sync No
Output Phases 2
Compliance
RoHS Status ROHS3 Compliant
Dimensions
Height Seated (Max) 0.8mm
Length 7mm
Width 5mm
Alternative Model
M38510/05651BEA
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