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UC3844DTRG4

Texas Instruments
RoHS
RoHS RoHS compliant
Package 14-SOIC (0.154, 3.90mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description UC3844 Boost Buck Buck-Boost Flyback Forward Tape & Reel (TR) e4 DC to DC switching controller 50ns 200mA 122.413241mg 13.5V
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Inventory: 5487
Minimum: 1
Total Price: USD $0.47
Unit Price: USD $0.465085
≥1 USD $0.465085
≥10 USD $0.43876
≥100 USD $0.413926
≥500 USD $0.390492
≥1000 USD $0.368396

Technical Details

Supply Chain

Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 1 day ago)

Dimensions

Height 1.75mm
Length 8.65mm
Width 3.91mm
Thickness 1.58mm

Technical

Operating Temperature 0°C~70°C TA
Packaging Tape & Reel (TR)
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 BICMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Frequency 450kHz
Base Part Number UC3844
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
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 %
Duty Cycle (Max) 48%

Compliance

RoHS Status ROHS3 Compliant
Lead Free Lead Free

Alternative Model

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