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UC3844NG4
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 8-DIP (0.260, 6.60mm)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
UC3844 Boost Buck Buck-Boost Flyback Forward Tube e4 DC to DC switching controller 50ns 200mA 528.605208mg 5V
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Inventory: 3957
Minimum: 1
Total Price: USD $0.4
Unit Price: USD $0.4047
≥1 USD $0.4047
≥10 USD $0.3325
≥100 USD $0.32205
≥500 USD $0.3116
≥1000 USD $0.30115
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 1 week ago)
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 8
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory Switching Regulator or Controllers
Technology BICMOS
Terminal Position DUAL
Terminal Pitch 2.54mm
Frequency 450kHz
Base Part Number UC3844
Function Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 5V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Power Dissipation 1W
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
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
Max Duty Cycle 50 %
Input Current 11mA
Duty Cycle (Max) 48%
Physical
Mounting Type Through Hole
Package / Case 8-DIP (0.260, 6.60mm)
Surface Mount NO
Number of Pins 8
Weight 528.605208mg
Dimensions
Height 5.08mm
Length 9.81mm
Width 6.35mm
Thickness 3.9mm
Compliance
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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