UC3843AD
RoHS
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Package 8-SOIC (0.154, 3.90mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 40ns 0C~70C TA Up to 500kHz 5.1V
PDF
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Buying Options
Total Price: USD $1.12
Unit Price: USD $1.1176
≥1 USD $1.1176
≥10 USD $0.9988
≥100 USD $0.948112
≥500 USD $0.778888
≥1000 USD $0.728077
≥3000 USD $0.643403
Inventory: 252
Minimum: 1
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Technical Details
Supply Chain
Lifecycle Status OBSOLETE (Last Updated: 2 weeks ago)
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Number of Pins 14
Weight 230.4mg
Technical
Operating Temperature 0°C~70°C TA
Packaging Tube
Published 2000
JESD-609 Code e0
Pbfree Code no
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 14
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Subcategory Switching Regulator or Controllers
Technology BIPOLAR
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 240
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number UC3843
Function Step-Up, Step-Up/Step-Down
Number of Outputs 1
Duty Cycle (Max) 96%
Max Duty Cycle 100 %
Max Frequency 500kHz
Switcher Configuration SINGLE
Fall Time (Typ) 40 ns
Synchronous Rectifier No
Rise Time 40ns
Control Technique PULSE WIDTH MODULATION
Input Voltage (Max) 30V
Frequency - Switching Up to 500kHz
Control Mode CURRENT-MODE
Topology Boost, Flyback
Input Voltage (Min) 8.2V
Control Features Frequency Control
Voltage - Supply (Vcc/Vdd) 7.6V~30V
Output Current 1A
Output Configuration Positive
Nominal Supply Current 17mA
Operating Supply Current 17mA
Analog IC - Other Type SWITCHING CONTROLLER
Input Voltage-Nom 15V
Output Type Transistor Driver
Output Voltage 5.1V
Compliance
Lead Free Lead Free
RoHS Status RoHS Compliant
Dimensions
Width 3.9mm
Length 8.65mm
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