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onsemi UC3843DX — Power Management (PMIC / Gate Driver)

onsemi UC3843DX

MPNUC3843DX
Obsolete
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

UC3843DX specifications
ParameterValue
Output typeTransistor Driver
MountingSurface Mount
Voltage - supply (Vcc (Vdd))7.6V ~ 30V
Frequency - switchingUp to 500kHz
I/O channels1
Output phases1
Duty cycle97%
Operating temperature0°C ~ 70°C (TA)
PackageTape & Reel (TR)
FunctionStep-Up, Step-Up/Step-Down
TopologyBoost, Flyback
Clock syncNo
Case14-SOIC (0.209\", 5.30mm Width)
Control featuresFrequency Control
Output configurationPositive, Isolation Capable
Synchronous rectifierNo