KC04 pin diagram and application circuit diagram

The following is the circuit diagram of the **KC04 pin configuration and application circuit**. The KC04 circuit is widely used in single-phase and three-phase full-bridge power supply systems, particularly for bidirectional pulse phase control of thyristors. This device generates two-phase-shifted pulses with a 180° phase difference, making it ideal for constructing a fully controlled bridge flip-flop circuit. The KC04 chip offers several key features such as high load capacity, excellent phase shifting performance, balanced positive and negative half-cycle pulse phases, a wide phase shift range, low requirements for the synchronization voltage, and the ability to output pulse train modulation. Here are the main electrical parameters: - **Power Supply Voltage:** DC 15V (allowing ±5% fluctuation, with ±10% still functioning properly). - **Power Supply Current:** Positive current ≤ 15mA, Negative current ≤ 10mA. - **Synchronization Voltage:** Any value (typically 30V AC). - **Maximum Synchronization Current:** 3mA (RMS). - **Phase Shift Range:** ≥170° (with 30V AC synchronization voltage and 15–30kΩ input resistance). - **Sawtooth Wave Amplitude:** ≥10V (based on the flat top of the waveform). - **Output Pulse:** - **Pulse Width:** 10μs to 2ms (adjustable by changing the capacitance). - **Pulse Amplitude:** >13V. - **Maximum Output Current:** 100mA. - **Back Pressure (BVceo):** ≥18V (tested at Ie ≤ 100μA). - **Phase Unbalance (Positive/Negative Half-Cycle):** ≤ ±3°. - **Operating Temperature Range:** -10°C to 70°C.

Below is the KC04 pin diagram:

Here is the typical application circuit of the KC04:

The KC04 waveform diagram shows the signal at various points within the chip. It consists of several key circuits including the synchronization detection circuit, sawtooth wave generation circuit, phase shift voltage, offset voltage, integrated comparator amplifier circuit, and power amplification circuit.

(Editor: Circuit Diagram)

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