LTC3728LEGN-1
RoHS
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Package 28-SSOP (0.154, 3.90mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
CURRENT-MODE CMOS DUAL Surface Mount DC to DC switching controller -40C~85C TA 260kHz~550kHz 3.35V 9.893mm
PDF
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Buying Options
Total Price: USD $9.75
Unit Price: USD $9.7489
≥1 USD $9.7489
≥10 USD $7.999
≥100 USD $7.74915
≥500 USD $7.4993
≥1000 USD $7.24945
Inventory: 1124
Minimum: 1
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Technical Details
Physical
Mounting Type Surface Mount
Package / Case 28-SSOP (0.154, 3.90mm Width)
Surface Mount YES
Technical
Operating Temperature -40°C~85°C TA
Packaging Tube
Published 2008
JESD-609 Code e0
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Subcategory Switching Regulator or Controllers
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 235
Terminal Pitch 0.635mm
Time@Peak Reflow Temperature-Max (s) 20
Base Part Number LTC3728
Function Step-Down
Number of Outputs 2
Output Voltage 3.35V
Output Type Transistor Driver
Input Voltage-Nom 15V
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 PHASE-SHIFT
Duty Cycle (Max) 99.4%
Clock Sync No
Dimensions
Height Seated (Max) 1.75mm
Length 9.893mm
Width 3.899mm
Compliance
RoHS Status Non-RoHS Compliant
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