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UC2844AQD8
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 8-SOIC (0.154, 3.90mm Width)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
UC2844 Boost Buck Buck-Boost Flyback Forward Tube e4 DC to DC switching controller 50ns 200mA 75.608178mg 15V
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Inventory: 5125
Minimum: 1
Total Price: USD $1.54
Unit Price: USD $1.544321
≥1 USD $1.544321
≥100 USD $1.166166
≥250 USD $0.850198
≥1000 USD $0.599564
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 1 day ago)
Technical
Operating Temperature -40°C~125°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 BIPOLAR
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 11V
Frequency 450kHz
Base Part Number UC2844
Function Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 15V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Output Current 200mA
Voltage - Supply (Vcc/Vdd) 10V~30V
Quiescent Current 11mA
Control Features Frequency Control
Topology Boost, Buck, Buck-Boost, Flyback, Forward
Control Mode CURRENT-MODE
Frequency - Switching Up to 500kHz
Input Voltage (Max) 25V
Control Technique PULSE WIDTH MODULATION
Rise Time 50 ns
Supply Current-Max (Isup) 25mA
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Max Duty Cycle 50 %
Duty Cycle (Max) 48%
Dimensions
Height 1.75mm
Length 4.9mm
Width 3.91mm
Thickness 1.58mm
Compliance
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Physical
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Surface Mount YES
Number of Pins 8
Weight 75.608178mg
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