| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Supply Voltage | Vcc | 10 | 15 | 40 | V | Operating voltage range for the IC |
| Quiescent Current | Iq | - | 15 | - | mA | Current drawn by the IC when no load is applied |
| Output Current (per output) | Io | 100 | 200 | 400 | μA | Maximum current that can be sourced or sunk by each output |
| Oscillator Frequency Range | fosc | 0.1 | - | 500 | kHz | Range of frequencies the internal oscillator can generate |
| Dead Time | Td | 1 | 2 | 4 | μs | Minimum time between the turn-off of one output and the turn-on of the other |
| Duty Cycle Range | D | 0 | - | 100 | % | Range of duty cycle that can be set for the PWM outputs |
| Thermal Shutdown Threshold | TSD | - | 160 | - | °C | Temperature at which the IC will shut down to prevent damage |
| Under-Voltage Lockout | UVLO | 8 | - | 10 | V | Voltage below which the IC will shut down to protect itself |
| Output Voltage Swing | Vo | 0.5 | - | 4.5 | V | Voltage swing of the output pins |
| Reference Voltage | Vref | 5 | 5 | 5 | V | Stable reference voltage provided by the IC |
Instructions for Using the SG3524N
Power Supply Connection:
- Connect the Vcc pin to the power supply within the specified range (10V to 40V).
- Connect the GND pin to the ground.
Oscillator Configuration:
- Connect a resistor (Rosc) between the RT/CT pin and ground.
- Connect a capacitor (Cosc) between the RT/CT pin and ground.
- The frequency of the internal oscillator can be calculated using the formula: [ f_ = frac{1.1}{R_ times C_} ]
Output Configuration:
- Connect external drivers or loads to the OUT1 and OUT2 pins.
- Ensure the current through each output does not exceed the maximum rating (400 μA).
Dead Time Adjustment:
- Use the DT pin to adjust the dead time between the turn-off of one output and the turn-on of the other.
- A capacitor connected to the DT pin can be used to set the dead time.
Duty Cycle Control:
- Use the PWM input pins to control the duty cycle of the outputs.
- The duty cycle can be adjusted by varying the input signal to these pins.
Thermal Management:
- Ensure proper heat dissipation to prevent the IC from reaching the thermal shutdown threshold (160°C).
Under-Voltage Lockout:
- The IC will automatically shut down if the supply voltage drops below 8V to protect against under-voltage conditions.
Reference Voltage:
- The Vref pin provides a stable 5V reference voltage, which can be used for biasing or other reference needs.
Protection Circuits:
- The IC includes built-in protection features such as thermal shutdown and under-voltage lockout to ensure reliable operation.
Layout Considerations:
- Keep the layout compact and minimize trace lengths to reduce noise and improve performance.
- Use decoupling capacitors close to the Vcc and GND pins to filter out noise.
By following these instructions and adhering to the parameter specifications, you can effectively use the SG3524N in your circuit design.
(For reference only)
