UC3842AN AC-DC Controllers and Regulators IC - DIP-8 Package

UC3842AN AC-DC Controller and Regulator IC - DIP-8 Package is a fixed-frequency current-mode PWM controller designed for high-performance AC-DC and DC-DC power supply applications. It features an integrated precision reference, oscillator, error amplifier, current sensing comparator, and high-current totem-pole output, making it ideal for switch-mode power supplies (SMPS), offline converters, battery chargers, and industrial power systems. The UC3842AN offers low startup current, fast transient response, and cycle-by-cycle current limiting for reliable and efficient operation.Features:Fixed Frequency Current-Mode PWM ControllerLow Startup CurrentHigh Current Totem-Pole OutputIntegrated Precision 5V ReferenceInternal OscillatorCycle-by-Cycle Current LimitingUnder-Voltage Lockout (UVLO)Fast Transient ResponseHigh Stability OperationSuitable for AC-DC and DC-DC ConvertersDIP-8 Through-Hole PackageRoHS CompliantSpecifications:ParameterValueProduct TypeAC-DC Controller and Regulator ICModelUC3842ANPackageDIP-8Control MethodCurrent-Mode PWMSupply Voltage (VCC)10V to 30VStartup Voltage16V (Typical)UVLO Turn-Off Voltage10V (Typical)Reference Output Voltage5V ±1%Oscillator FrequencyUp to 500kHzOutput Driver Peak Current±1ADuty CycleUp to 100%Operating Temperature0°C to +70°CMounting TypeThrough HoleApplicationsSMPS, AC-DC Converters, DC-DC Converters, Battery Chargers, LED Drivers, Industrial Power SuppliesRoHS ComplianceYes Pin Configuration:PinFunction1COMP (Compensation)2VFB (Voltage Feedback)3ISENSE (Current Sense)4RT/CT (Oscillator Timing)5GND6OUTPUT (Gate Drive Output)7VCC8VREF (5V Reference Output) Also Check These Out:AN7112 Audio Power Amplifier ICTDA2822M Amplifier ICHT12D (RF Decoder) ICPackage Includes:1 x UC3842AN AC-DC Controller and Regulator IC - DIP-8 Package

INR 11 · Out of stock