LTC3728LZEUH#PBF
RoHS 
RoHS compliant
RoHS compliantPackage 32-WFQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3728 Buck Tube e3 DC to DC switching controller 3A 5mm 7V 260kHz~550kHz
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Buying Options
Total Price: USD $2.68
Unit Price: USD $2.6847
≥1 USD $2.6847
≥10 USD $2.20305
≥100 USD $2.13465
≥500 USD $2.0653
≥1000 USD $1.9969
Inventory: 1107
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 16 Weeks
Lifecycle Status PRODUCTION (Last Updated: 1 week ago)
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 32-WFQFN Exposed Pad
Number of Pins 32
Technical
Operating Temperature -40°C~85°C TA
Packaging Tube
Published 2011
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.5mm
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
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
Output Current-Max 3A
Frequency - Switching 260kHz~550kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 590kHz
Duty Cycle (Max) 99.4%
Clock Sync No
Dimensions
Height Seated (Max) 0.8mm
Length 5mm
Width 5mm
Compliance
RoHS Status ROHS3 Compliant
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