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LTC3728LEUH-1#PBF
Linear Technology/Analog DevicesRoHS 
RoHS compliant
RoHS compliantPackage 32-WFQFN Exposed Pad
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3728 Buck Tube e3 DC to DC switching controller 3A 750mum 7V 260kHz~550kHz
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Inventory: 8537
Minimum: 1
Total Price: USD $5.79
Unit Price: USD $5.793532
≥1 USD $5.793532
≥10 USD $5.465594
≥100 USD $5.156225
≥500 USD $4.864358
≥1000 USD $4.589017
Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 1 week ago)
Dimensions
Height 750μm
Length 5mm
Width 5mm
Compliance
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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 32
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology CMOS
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LTC3728
Function Step-Down
Number of Outputs 2
Output Voltage 7V
Output Type Transistor Driver
Input Voltage-Nom 15V
Number of Channels 1
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Output Current 3A
Voltage - Supply (Vcc/Vdd) 4.5V~28V
Control Features Enable, Power Good, Soft Start
Input Voltage (Min) 4.5V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 260kHz~550kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PHASE-SHIFT
Max Frequency 590kHz
Duty Cycle (Max) 99.4%
Clock Sync No
Alternative Model
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