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LTC1149CS#TRPBF
Linear Technology/Analog DevicesRoHS 
RoHS compliant
RoHS compliantPackage 16-SOIC (0.154, 3.90mm Width)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LTC1149 Buck Tape & Reel (TR) e3 DC to DC switching controller 0.05A 9.906mm 1.25V Up to 250kHz
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Inventory: 7886
Minimum: 1
Total Price: USD $5.29
Unit Price: USD $5.285994
≥1 USD $5.285994
≥10 USD $4.986772
≥100 USD $4.704503
≥500 USD $4.438215
≥1000 USD $4.186993
Technical Details
Supply Chain
Factory Lead Time 8 Weeks
Physical
Mounting Type Surface Mount
Package / Case 16-SOIC (0.154, 3.90mm Width)
Surface Mount YES
Technical
Operating Temperature 0°C~70°C TA
Packaging Tape & Reel (TR)
Published 1998
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
Output Voltage 1.25V
Output Type Transistor Driver
Input Voltage-Nom 12V
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
Length 9.906mm
Width 3.899mm
Compliance
RoHS Status ROHS3 Compliant
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