UC3844BD1
RoHS 
RoHS compliant
RoHS compliantPackage 8-SOIC (0.154, 3.90mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
UC3844 Boost Flyback Tube e4 DC to DC switching controller 50ns 30mA 1.25mm 5.1V
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Buying Options
Total Price: USD $0.56
Unit Price: USD $0.5632
≥1 USD $0.5632
≥10 USD $0.49984
≥100 USD $0.474496
≥500 USD $0.389752
≥1000 USD $0.36432
≥3000 USD $0.321939
Inventory: 4204
Minimum: 1
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Technical Details
Compliance
Lead Free Lead Free
RoHS Status ROHS3 Compliant
Dimensions
Width 4mm
Length 5mm
Height 1.25mm
Technical
Duty Cycle (Max) 48%
Max Duty Cycle 50 %
Switcher Configuration SINGLE
Nominal Input Voltage 30V
Fall Time (Typ) 50 ns
Synchronous Rectifier No
Rise Time 50 ns
Control Technique PULSE WIDTH MODULATION
Frequency - Switching Up to 500kHz
Control Mode CURRENT-MODE
Topology Boost, Flyback
Control Features Frequency Control
Max Supply Current 30mA
Voltage - Supply (Vcc/Vdd) 10V~30V
Output Current 1A
Output Configuration Positive
Analog IC - Other Type SWITCHING CONTROLLER
Input Voltage-Nom 15V
Output Type Transistor Driver
Output Voltage 5.1V
Number of Outputs 1
Function Step-Up, Step-Up/Step-Down
Base Part Number UC3844
Time@Peak Reflow Temperature-Max (s) 30
Frequency 500kHz
Peak Reflow Temperature (Cel) 260
Terminal Form GULL WING
Terminal Position DUAL
Technology BIPOLAR
Subcategory Switching Regulator or Controllers
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
ECCN Code EAR99
Number of Terminations 8
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Part Status Active
JESD-609 Code e4
Packaging Tube
Operating Temperature 0°C~70°C TJ
Physical
Number of Pins 8
Package / Case 8-SOIC (0.154, 3.90mm Width)
Mounting Type Surface Mount
Mount Surface Mount
Supply Chain
Lifecycle Status ACTIVE (Last Updated: 7 months ago)
Factory Lead Time 10 Weeks
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