LTC1149CN-3.3#PBF
RoHS 
RoHS compliant
RoHS compliantPackage 16-DIP (0.300, 7.62mm)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC1149 Buck Tube e3 DC to DC switching controller 0.05A 3.937mm 3.3V Up to 250kHz
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Technical Details
Technical
Output Current-Max 0.05A
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
Duty Cycle (Max) 100%
Clock Sync No
Control Mode CURRENT-MODE
Topology Buck
Control Features Current Limit, Enable
Voltage - Supply (Vcc/Vdd) Up to 48V
Output Configuration Positive
Analog IC - Other Type SWITCHING CONTROLLER
Output Type Transistor Driver
Output Voltage 3.3V
Number of Outputs 1
Function Step-Down
Base Part Number LTC1149
Time@Peak Reflow Temperature-Max (s) 40
Terminal Pitch 2.54mm
Peak Reflow Temperature (Cel) 260
Terminal Position DUAL
Technology CMOS
Subcategory Switching Regulator or Controllers
Terminal Finish Matte Tin (Sn)
ECCN Code EAR99
Number of Terminations 16
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Part Status Active
JESD-609 Code e3
Packaging Tube
Operating Temperature 0°C~70°C TA
Dimensions
Height Seated (Max) 3.937mm
Width 7.62mm
Compliance
RoHS Status ROHS3 Compliant
Physical
Surface Mount NO
Package / Case 16-DIP (0.300, 7.62mm)
Mounting Type Through Hole
Supply Chain
Factory Lead Time 16 Weeks
Alternative Model
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