LTC3728LEGN#TRPBF
RoHS 
RoHS compliant
RoHS compliantPackage 28-SSOP (0.154, 3.90mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3728 Buck Tape & Reel (TR) e3 DC to DC switching controller 3A 9.893mm 7V 260kHz~550kHz
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Buying Options
Total Price: USD $7.86
Unit Price: USD $7.86125
≥1 USD $7.86125
≥10 USD $6.4505
≥100 USD $6.2491
≥500 USD $6.0477
≥1000 USD $5.84535
Inventory: 1172
Minimum: 1
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Technical Details
Technical
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Number of Channels 1
Input Voltage-Nom 15V
Output Type Transistor Driver
Output Voltage 7V
Number of Outputs 2
Function Step-Down
Base Part Number LTC3728
Time@Peak Reflow Temperature-Max (s) 30
Terminal Pitch 0.635mm
Peak Reflow Temperature (Cel) 260
Terminal Form GULL WING
Terminal Position DUAL
Technology CMOS
Subcategory Switching Regulator or Controllers
Terminal Finish Matte Tin (Sn)
ECCN Code EAR99
Number of Terminations 28
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Part Status Active
JESD-609 Code e3
Published 2008
Packaging Tape & Reel (TR)
Operating Temperature -40°C~85°C TA
Clock Sync No
Duty Cycle (Max) 99.4%
Max Frequency 590kHz
Switcher Configuration PHASE-SHIFT
Synchronous Rectifier Yes
Control Technique PULSE WIDTH MODULATION
Input Voltage (Max) 30V
Frequency - Switching 260kHz~550kHz
Output Current-Max 3A
Control Mode CURRENT-MODE
Topology Buck
Input Voltage (Min) 3.6V
Control Features Enable, Power Good, Soft Start
Voltage - Supply (Vcc/Vdd) 4.5V~28V
Output Configuration Positive
Physical
Number of Pins 28
Package / Case 28-SSOP (0.154, 3.90mm Width)
Mounting Type Surface Mount
Mount Surface Mount
Supply Chain
Lifecycle Status PRODUCTION (Last Updated: 2 weeks ago)
Factory Lead Time 8 Weeks
Compliance
Lead Free Lead Free
RoHS Status ROHS3 Compliant
Dimensions
Width 3.9mm
Length 9.893mm
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