UC3841DW
RoHS 
RoHS compliant
RoHS compliantPackage 18-SOIC (0.295, 7.50mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
CURRENT-MODE BICMOS DUAL Surface Mount DC-DC Controller IC 0C~70C TA 500kHz 40V 2.65mm
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Buying Options
Total Price: USD $10.52
Unit Price: USD $10.5165
≥1 USD $10.5165
≥10 USD $8.62885
≥100 USD $8.35905
≥500 USD $8.08925
≥1000 USD $7.8204
Inventory: 9506
Minimum: 1
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Technical Details
Physical
Mounting Type Surface Mount
Package / Case 18-SOIC (0.295, 7.50mm Width)
Surface Mount YES
Number of Pins 18
Technical
Operating Temperature 0°C~70°C TA
Packaging Tube
JESD-609 Code e4
Pbfree Code yes
Part Status Obsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 18
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Additional Feature CURRENT MODE OPERATION IS ALSO POSSIBLE
Subcategory Switching Regulator or Controllers
Technology BICMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Frequency 450kHz
Base Part Number UC3841
Function Step-Up, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 40V
Output Type Transistor Driver
Input Voltage-Nom 20V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive, Isolation Capable
Output Current 400mA
Voltage - Supply (Vcc/Vdd) 8V~32V
Control Features Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start
Topology Boost, Flyback, Forward Converter
Control Mode CURRENT-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier No
Nominal Input Voltage 30V
Switcher Configuration SINGLE
Max Duty Cycle 95 %
Dimensions
Height Seated (Max) 2.65mm
Width 7.5mm
Compliance
RoHS Status ROHS3 Compliant
Lead Free Contains Lead
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