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UC3844AD

Texas Instruments
RoHS
RoHS RoHS compliant
Package 14-SOIC (0.154, 3.90mm Width)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 50ns 1W 0C~70C TA Up to 500kHz
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Inventory: 6576
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Total Price: USD $0.64
Unit Price: USD $0.6365
≥1 USD $0.6365
≥10 USD $0.5225
≥100 USD $0.50635
≥500 USD $0.48925
≥1000 USD $0.4731

Technical Details

Supply Chain

Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 5 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
Supply Voltage 11V
Frequency 450kHz
Base Part Number UC3844
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
Power Dissipation 1W
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
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
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%

Alternative Model

No data

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