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UC3843AD
RoHS
/
Package 8-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 40ns 0C~70C TA Up to 500kHz 5.1V
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Buying Options
Total Price: USD $2.65
Unit Price: USD $2.648119
≥1 USD $2.648119
≥200 USD $1.025375
≥500 USD $0.988614
≥1000 USD $0.971546
Inventory: 2828
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
Output Voltage 5.1V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Operating Supply Current 17mA
Nominal Supply Current 17mA
Output Configuration Positive
Output Current 1A
Voltage - Supply (Vcc/Vdd) 7.6V~30V
Control Features Frequency Control
Input Voltage (Min) 8.2V
Topology Boost, Flyback
Control Mode CURRENT-MODE
Frequency - Switching Up to 500kHz
Input Voltage (Max) 30V
Control Technique PULSE WIDTH MODULATION
Rise Time 40ns
Synchronous Rectifier No
Fall Time (Typ) 40 ns
Switcher Configuration SINGLE
Max Frequency 500kHz
Max Duty Cycle 100 %
Duty Cycle (Max) 96%
Dimensions
Length 8.65mm
Width 3.9mm
Compliance
RoHS Status RoHS Compliant
Lead Free Lead Free
Alternative Model
No data
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