SD6834 PWM controller with built-in high-voltage DIP IC

SD6834 PWM controller with built-in high-voltage DIP IC

The SD6834 is a built-in high voltage MOSFET external sampling resistor for switching power supplies Of the current mode PWM + PFM controller series products. The circuit standby power consumption is low, the starting current is low. In standby mode, the circuit enters Hiccup mode, thereby effectively reducing the standby power consumption of the circuit. The switching center frequency of the circuit is 25 ~ 67KHz, depending on the load. Jittery Off the frequency, can get lower EMI.

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• Low start current (3μA)
  

• The switching frequency with the load can increase efficiency
  

• Jitter switching frequency can reduce EMI
  

• Overvoltage, the original coil over-current, overload, over-temperature protection
  

• External peak current sampling resistor
  

• Initialize the peak current maximum compensation, to achieve soft start function
  

• Internal integrated high voltage MOSFET
  

Specifications of SD6834 PWM controller with built-in high-voltage DIP IC

• Input Voltage Range: Typically operates from 85V to 265V AC, making it suitable for universal input applications.
  

• Switching Frequency: Approximately 65 kHz, with frequency jittering to reduce EMI.
  

• Standby Power Consumption: Typically <100mW, ensuring compliance with low standby power requirements.
  

• Output Power: Capable of supporting up to 24W in typical SMPS applications, depending on the design.
  

• Output Voltage: Configurable depending on application, usually in the range of 3.3V to 12V.
  

• Operating Temperature Range: −40°C to +85°C, making it suitable for both industrial and consumer electronics applications.
  

Package Includes

• 1 x SD6834 PWM controller with built-in high-voltage DIP IC