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UC2843AQ
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 20-LCC (J-Lead)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
CURRENT-MODE BIPOLAR QUAD Surface Mount DC-DC Controller IC 50ns -40C~125C TJ Up to 500kHz 15V
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Inventory: 6577
Minimum: 1
Total Price: USD $10.74
Unit Price: USD $10.73975
≥1 USD $10.73975
≥200 USD $8.8122
≥500 USD $8.5367
≥1000 USD $8.2612
Technical Details
Physical
Mounting Type Surface Mount
Package / Case 20-LCC (J-Lead)
Surface Mount YES
Number of Pins 20
Dimensions
Height 4.06mm
Length 8.96mm
Width 8.96mm
Technical
Operating Temperature -40°C~125°C TJ
Packaging Tube
JESD-609 Code e3
Part Status Obsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology BIPOLAR
Terminal Position QUAD
Terminal Form J BEND
Peak Reflow Temperature (Cel) 260
Frequency 450kHz
Base Part Number UC2843
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) 7.6V~30V
Control Features Frequency Control
Input Voltage (Min) 8.2V
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 50ns
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Switcher Configuration SINGLE
Max Duty Cycle 100 %
Duty Cycle (Max) 96%
Compliance
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Alternative Model
No data
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