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LTC3728IUH#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 25A 5mm 5.5V 260kHz~550kHz
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Inventory: 7484
Minimum: 1
Total Price: USD $166.93
Unit Price: USD $166.934416
≥1 USD $166.934416
≥10 USD $157.485302
≥100 USD $148.571033
≥500 USD $140.161353
≥1000 USD $132.227689
Technical Details
Supply Chain
Factory Lead Time 20 Weeks
Lifecycle Status PRODUCTION (Last Updated: 3 weeks ago)
Physical
Mounting Type Surface Mount
Package / Case 32-WFQFN Exposed Pad
Surface Mount YES
Number of Pins 32
Technical
Operating Temperature -40°C~85°C TA
Packaging Tube
Published 2009
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)
Additional Feature ALSO OPERATES AT 5V
Subcategory Switching Regulator or Controllers
Technology CMOS
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 5.5V
Output Type Transistor Driver
Voltage - Output 1 5.5V
Input Voltage-Nom 15V
Number of Channels 1
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Output Current 25A
Voltage - Supply (Vcc/Vdd) 3.5V~30V
Control Features Enable, Power Good, Soft Start
Voltage - Output 2 5.5V
Topology Buck
Min Input Voltage 3.5V
Control Mode CURRENT-MODE
Frequency - Switching 260kHz~550kHz
Max Input Voltage 36V
Control Technique PULSE WIDTH MODULATION
Current - Output 1 5A
Synchronous Rectifier Yes
Switcher Configuration PHASE-SHIFT
Max Frequency 590kHz
Max Duty Cycle 99.4 %
Current - Output 2 5A
Clock Sync No
Dimensions
Height Seated (Max) 0.8mm
Length 5mm
Width 5mm
Compliance
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
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