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UC3841DWG4

Texas Instruments
RoHS
RoHS RoHS compliant
Package 18-SOIC (0.295, 7.50mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description UC3841 Boost Flyback Forward Converter Tube e4 DC to DC switching controller 400mA 2.65mm 40V 500kHz
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Inventory: 7422
Minimum: 1
Total Price: USD $5.26
Unit Price: USD $5.258015
≥1 USD $5.258015
≥10 USD $4.960389
≥100 USD $4.679615
≥500 USD $4.414725
≥1000 USD $4.164845

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 BIPOLAR
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 Lead Free

Alternative Model

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