UC3846N DC switching regulator controller IC DIP16

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The UC3846N DC Switching Regulator Controller IC is a versatile current-mode PWM controller designed for high-performance DC-DC converters. It features an internal oscillator, error amplifier, and output driver, making it suitable for controlling switching power supplies with high efficiency and stability. The IC operates with a wide supply voltage range and provides precise duty cycle control for regulated output voltage.

Key Features of UC3846N DC Switching Regulator Controller IC:
  • Wide Operating Voltage: 8V to 35V supply range for versatile applications.
  • Current Mode Control: Provides improved line and load regulation.
  • Adjustable Oscillator Frequency: Up to 500kHz for efficient switching.
  • Under-Voltage Lockout: Ensures safe startup and shutdown.
  • Output Driver: Push-pull to drive external MOSFETs or transistors.
  • Thermal Shutdown Protection: Prevents damage during overheating.
Technical Specifications of UC3846N DC Switching Regulator Controller IC:
  • Operating Voltage: 8V to 35V DC
  • Oscillator Frequency: Adjustable up to 500kHz
  • Output Current: Peak to peak 1.0A push-pull output driver
  • Current Sense Input Voltage: Up to 1V
  • Duty Cycle: 0% to 100%
  • Package Type: 16-pin DIP
Mechanical Characteristics of UC3846N DC Switching Regulator Controller IC:
  • Package: DIP16 Plastic Package
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -65°C to +150°C
Dimensions of UC3846N DC Switching Regulator Controller IC:
  • Length: 19mm
  • Width: 15mm
  • Thickness: 3mm (excluding pin headers)
Schematic Diagram, Connection, Wiring and Pinout of UC3846N IC:
  • Pin 1 (Comp): Compensation pin for error amplifier.
  • Pin 2 (Vref): Reference voltage output (5V).
  • Pin 3 (I_sense): Current sense input for PWM control.
  • Pin 4 (RT/CT): Timing resistor and capacitor for oscillator frequency.
  • Pin 5 (Dead Time): Controls dead time between output pulses.
  • Pin 6 (Output A): Push-pull output driver A.
  • Pin 7 (Output B): Push-pull output driver B.
  • Pin 8 (Vcc): Supply voltage (8V to 35V).
  • Pin 9 (GND): Ground.
  • Pin 10 (Vref Input): Reference voltage input.
  • Pin 11 (Error Amp In-): Negative input of error amplifier.
  • Pin 12 (Error Amp In+): Positive input of error amplifier.
  • Pin 13 (Shutdown): Active low shutdown input.
  • Pin 14 (Current Sense Return): Return for current sense.
  • Pin 15 (RT/CT): Additional timing pin.
  • Pin 16 (Vcc): Second supply voltage pin.
Datasheet of UC3846N DC Switching Regulator Controller IC:
Applications of UC3846N DC Switching Regulator Controller IC:
  • Switching Power Supplies: Used for efficient DC-DC converters in industrial and consumer electronics.
  • Battery Chargers: Control circuits for regulated charging of batteries.
  • Motor Control: Pulse width modulation for motor speed regulation.
  • DC-DC Converters: Used in isolated and non-isolated converters for voltage regulation.
  • Telecommunications Equipment: Power management circuits.
Equivalent of UC3846N DC Switching Regulator Controller IC:
  • UC3845: Fixed-frequency current mode PWM controller with similar specifications
  • NCP1200: PWM controller IC for switching power supplies
  • IRS3846: High-performance PWM controller IC for power regulation
  • TL494: Versatile PWM controller with adjustable frequency and duty cycle
Package Includes:
  • 1 x UC3846N DC Switching Regulator Controller IC (DIP16 Package)

Additional information

Weight 2 g
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UC3846N DC switching regulator controller IC DIP16

UC3846N DC switching regulator controller IC DIP16

65.00
You save

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