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UC3845DG4
RoHS 
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
UC3845 Buck Boost Flyback Forward Converter Tube e4 DC to DC switching controller 50ns 200mA 122.413241mg 13.5V
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Buying Options
Total Price: USD $4.45
Unit Price: USD $4.454294
≥1 USD $4.454294
≥10 USD $4.202159
≥100 USD $3.964306
≥500 USD $3.739904
≥1000 USD $3.528216
Inventory: 5134
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 2 days 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
Dimensions
Height 1.75mm
Length 8.65mm
Width 3.91mm
Thickness 1.58mm
Compliance
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory Switching Regulator or Controllers
Technology BIPOLAR
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Frequency 450kHz
Base Part Number UC3845
Function Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 13.5V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive, Isolation Capable
Power Dissipation 725mW
Output Current 200mA
Voltage - Supply (Vcc/Vdd) 12V~28V
Control Features Frequency Control
Topology Buck, Boost, Flyback, Forward Converter
Control Mode CURRENT-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50 ns
Supply Current-Max (Isup) 25mA
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Nominal Input Voltage 25V
Switcher Configuration BUCK-BOOST
Max Duty Cycle 50 %
Input Current 11mA
Duty Cycle (Max) 48%
Alternative Model
DP8310N
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