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LTC3855EFE#TRPBF
RoHS 
RoHS compliant
RoHS compliantPackage 38-TFSOP (0.173, 4.40mm Width) Exposed Pad
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC3855 Buck Tape & Reel (TR) PolyPhase? DC to DC switching controller 9.7mm 12.5V 250kHz~770kHz -40C~85C TA
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Buying Options
Total Price: USD $10.07
Unit Price: USD $10.068066
≥1 USD $10.068066
≥10 USD $9.498175
≥100 USD $8.960544
≥500 USD $8.453341
≥1000 USD $7.974853
Inventory: 9686
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 16 Weeks
Lifecycle Status PRODUCTION (Last Updated: 3 weeks ago)
Technical
Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
Published 2009
Series PolyPhase?
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 38
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.5mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LTC3855
Function Step-Down
Number of Outputs 2
Output Voltage 12.5V
Output Type Transistor Driver
Input Voltage-Nom 15V
Number of Channels 1
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Voltage - Supply (Vcc/Vdd) 4.5V~38V
Control Features Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
Input Voltage (Min) 4.5V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 250kHz~770kHz
Control Technique PHASE-SHIFT CONTROL
Synchronous Rectifier Yes
Switcher Configuration PHASE-SHIFT
Max Frequency 850kHz
Duty Cycle (Max) 95%
Clock Sync No
Physical
Mounting Type Surface Mount
Package / Case 38-TFSOP (0.173, 4.40mm Width) Exposed Pad
Surface Mount YES
Number of Pins 38
Dimensions
Length 9.7mm
Width 4.4mm
Compliance
RoHS Status ROHS3 Compliant
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