UC3843ADX
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
UC3843 Boost Flyback Tape & Reel (TR) e4 DC to DC switching controller 40ns 1kA 230.4mg 7.6V~30V
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Buying Options
Total Price: USD $1.15
Unit Price: USD $1.1528
≥1 USD $1.1528
Inventory: 1157
Minimum: 1
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Technical Details
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Number of Pins 8
Weight 230.4mg
Technical
Operating Temperature 0°C~70°C TA
Packaging Tape & Reel (TR)
Published 2000
JESD-609 Code e4
Pbfree Code yes
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number UC3843
Function Step-Up, Step-Up/Step-Down
Number of Outputs 1
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 1kA
Voltage - Supply (Vcc/Vdd) 7.6V~30V
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) 25V
Frequency - Switching Up to 500kHz
Topology Boost, Flyback
Control Features Frequency Control
Compliance
RoHS Status RoHS Compliant
Dimensions
Width 3.9mm
Length 4.9mm
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