LTC1149CS-3.3#PBF
RoHS 
RoHS compliant
RoHS compliantPackage 16-SOIC (0.154, 3.90mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC1149 Buck Tube e3 DC to DC switching controller 3mA 50mA 9.9mm 3.33V
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Buying Options
Total Price: USD $12.99
Unit Price: USD $12.9888
≥1 USD $12.9888
≥10 USD $11.93896
≥100 USD $11.444224
≥500 USD $10.083216
≥1000 USD $9.588374
≥3000 USD $8.96977
Inventory: 93
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 1 week ago)
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 16-SOIC (0.154, 3.90mm Width)
Number of Pins 16
Technical
Operating Temperature 0°C~70°C TA
Packaging Tube
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 16
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
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LTC1149
Function Step-Down
Number of Outputs 1
Efficiency 95 %
Output Voltage 3.33V
Output Type Transistor Driver
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Output Current 50mA
Voltage - Supply (Vcc/Vdd) Up to 48V
Control Features Current Limit, Enable
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching Up to 250kHz
Input Voltage (Max) 48V
Control Technique CONSTANT OFF TIME
Supply Current-Max (Isup) 3mA
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 250kHz
Duty Cycle (Max) 100%
Clock Sync No
Dimensions
Length 9.9mm
Width 3.9mm
Compliance
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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