LT3477EUF#PBF
RoHS 
RoHS compliant
RoHS compliantPackage 20-WFQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - LED Drivers
Description
Tube LT3477 Flyback SEPIC Step-Down (Buck) Step-Up (Boost) PWM led driver 4mm 3A Switch 2.5V 3.5MHz
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Buying Options
Total Price: USD $8.1
Unit Price: USD $8.1048
≥1 USD $8.1048
≥10 USD $7.31896
≥100 USD $6.059328
≥500 USD $5.786986
≥1000 USD $5.276357
≥3000 USD $4.595545
Inventory: 1126
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 2 weeks ago)
Physical
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Surface Mount YES
Number of Pins 20
Technical
Operating Temperature -40°C~85°C TA
Packaging Tube
Published 2009
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
ECCN Code EAR99
Type DC DC Regulator
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Terminal Pitch 0.5mm
Frequency 200kHz~3.5MHz
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LT3477
Pin Count 20
Number of Outputs 1
Output Voltage 42V
Operating Supply Voltage 3.3V
Input Voltage-Nom 2.5V
Max Supply Voltage 25V
Min Supply Voltage 2.5V
Output Current 3A
Max Output Voltage 40V
Topology Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
Min Input Voltage 2.3V
Control Mode CURRENT-MODE
Max Input Voltage 25V
Control Technique PULSE WIDTH MODULATION
Switcher Configuration BUCK-BOOST
Current - Output / Channel 3A Switch
Internal Switch(s) Yes
High Level Output Current 10μA
Low Level Output Current 10μA
Dimming PWM
Number of Segments 4
Switching Frequency 3.5MHz
Dimensions
Height 750μm
Length 4mm
Width 4mm
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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