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UC3843DG4
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 14-SOIC (0.154, 3.90mm Width)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
UC3843 Boost Buck Buck-Boost Flyback Forward Tube e4 DC to DC switching controller 50ns 200mA 122.413241mg 13.5V
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Inventory: 4124
Minimum: 1
Total Price: USD $1.18
Unit Price: USD $1.179534
≥1 USD $1.179534
≥10 USD $1.112768
≥100 USD $1.049783
≥500 USD $0.990362
≥1000 USD $0.93431
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 1 week ago)
Physical
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154, 3.90mm Width)
Surface Mount YES
Number of Pins 14
Weight 122.413241mg
Technical
Operating Temperature 0°C~70°C TA
Packaging Tube
JESD-609 Code e4
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 14
Termination SMD/SMT
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory Switching Regulator or Controllers
Max Power Dissipation 725mW
Technology BIPOLAR
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Frequency 500kHz
Base Part Number UC3843
Function Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 13.5V
Output Type Transistor Driver
Max Output Current 1A
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Power Dissipation 725mW
Output Current 200mA
Voltage - Supply (Vcc/Vdd) 12V~28V
Control Features Frequency Control
Topology Boost, Buck, Buck-Boost, Flyback, Forward
Control Mode CURRENT-MODE
Frequency - Switching Up to 500kHz
Max Input Voltage 25V
Control Technique PULSE WIDTH MODULATION
Input Offset Voltage (Vos) 0V
Rise Time 50 ns
Supply Current-Max (Isup) 25mA
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Nominal Input Voltage 25V
Max Duty Cycle 100 %
Input Current 11mA
Duty Cycle (Max) 97%
Compliance
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Dimensions
Height 1.75mm
Length 8.65mm
Width 3.91mm
Thickness 1.58mm
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