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LTC3770EUH#TRPBF
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
LTC3770 Buck Tape & Reel (TR) e3 DC to DC switching controller 4A 5mm 4V 1MHz
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Inventory: 9473
Minimum: 1
Total Price: USD $94.66
Unit Price: USD $94.660417
≥1 USD $94.660417
≥10 USD $89.302281
≥100 USD $84.247436
≥500 USD $79.478709
≥1000 USD $74.979917
Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 2 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 Tape & Reel (TR)
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)
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 LTC3770
Function Step-Down
Number of Outputs 1
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Voltage - Supply (Vcc/Vdd) 4V~32V
Control Features Current Limit, Enable, On Time Control, Power Good, Soft Start, Tracking
Input Voltage (Min) 4V
Topology Buck
Control Mode CURRENT-MODE
Output Current-Max 4A
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 1MHz
Duty Cycle (Max) 90%
Clock Sync No
Compliance
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Dimensions
Height Seated (Max) 0.8mm
Length 5mm
Width 5mm
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