UC3843 Current-Mode PWM Controller IC (ON Semi) - SOP-14 SMD Package

The UC3843 is a current-mode pulse-width modulation (PWM) controller designed for use in switching power supplies. It provides a complete solution for high-performance and efficient DC-DC conversion. The IC features a high-speed comparator, a precision reference, and a totem pole output stage. The UC3843 is housed in a compact SOP-14 SMD package, making it suitable for space-constrained applications.Specifications:IC Type: Current-Mode PWM ControllerPackage Type: SOP-14 SMDOperating Voltage Range: 8 V to 20 VOutput Voltage Range: 5 VFrequency Range: Up to 100 kHzStart-Up Current: 1.5 mAQuiescent Current: 5 mASwitching Frequency: 100 kHz typicalTemperature Range: -40°C to +85°CBrand: On SemiconductorsPin Configuration:VCC: Supply VoltageGND: GroundCSN: Current Sense NegativeCSP: Current Sense PositiveRT: Timing ResistorCT: Timing CapacitorCOMP: CompensationDR: DriveVREF: Reference VoltageSW: SwitchSGND: Signal GroundISEN: Current Sense InputINV: Inverting InputNONINV: Non-Inverting InputFeatures:Current-mode control: Provides improved performance in power conversionHigh-speed comparator: Ensures accurate pulse-width modulationPrecision reference voltage: Maintains stable operationTotem pole output stage: Suitable for driving power MOSFETsLow start-up current: Efficient operationCompact SOP-14 package: Space-saving designApplications:Switching power suppliesDC-DC convertersPower management circuitsBattery-powered devicesPower adapters and chargersIndustrial power control systemsPackage Includes:1 x UC3843 Current-Mode PWM Controller 14 Pin IC (SOP-14 SMD Package)Note: Product images are for illustrative purposes only and may differ from the actual product.

INR 36 · In stock