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Linear Technology/Analog Devices
RoHS RoHS compliant
Package 32-WFQFN Exposed Pad
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description LTC3728 Buck Tube PRODUCTION (Last Updated: 2weeks ago) DC to DC switching controller 25A 7V 260kHz~550kHz 0C~85C TA
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Pricing & Ordering
Inventory: 3822
Minimum: 1
Total Price: USD $1.15
Unit Price: USD $1.147454
≥1 USD $1.147454
≥10 USD $1.0825
≥100 USD $1.021228
≥500 USD $0.963429
≥1000 USD $0.908886

Technical Details

Supply Chain

Factory Lead Time 26 Weeks
Lifecycle Status PRODUCTION (Last Updated: 2 weeks ago)


Mount Surface Mount
Mounting Type Surface Mount
Package / Case 32-WFQFN Exposed Pad
Number of Pins 32
Supplier Device Package 32-QFN (5x5)


RoHS Status ROHS3 Compliant
Lead Free Lead Free


Operating Temperature 0°C~85°C TA
Packaging Tube
Published 2010
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Max Operating Temperature 85°C
Min Operating Temperature 0°C
Base Part Number LTC3728
Function Step-Down
Number of Outputs 2
Output Voltage 7V
Output Type Transistor Driver
Voltage - Output 1 5.5V
Number of Channels 1
Output Configuration Positive
Output Current 25A
Voltage - Supply (Vcc/Vdd) 4.5V~28V
Control Features Enable, Power Good, Soft Start
Voltage - Output 2 5.5V
Topology Buck
Min Input Voltage 4.5V
Frequency - Switching 260kHz~550kHz
Max Input Voltage 28V
Current - Output 1 5A
Synchronous Rectifier Yes
Max Frequency 590kHz
Duty Cycle (Max) 99.4%
Current - Output 2 5A
Clock Sync No
Output Phases 2

Alternative Model

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