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LTC1149CN-3.3#PBF

Linear Technology/Analog Devices
RoHS
RoHS RoHS compliant
Package 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

Supply Chain

Factory Lead Time 16 Weeks

Physical

Mounting Type Through Hole
Package / Case 16-DIP (0.300, 7.62mm)
Surface Mount NO

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
Peak Reflow Temperature (Cel) 260
Terminal Pitch 2.54mm
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number LTC1149
Function Step-Down
Number of Outputs 1
Output Voltage 3.3V
Output Type Transistor Driver
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Voltage - Supply (Vcc/Vdd) Up to 48V
Control Features Current Limit, Enable
Topology Buck
Control Mode CURRENT-MODE
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

Dimensions

Height Seated (Max) 3.937mm
Width 7.62mm

Compliance

RoHS Status ROHS3 Compliant

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