1.Features(see Fig. 1 for outside view, and Table 1 for models)

It can be used interchangeably with SA03 (HSA03) of APEX company.
30A continuous output current (Case temperature ≤60℃)
Thermal protection and programmable external current-limiting protection
Analog and digital input (HSA03)
Synchronous or external oscillator (HSA03)
Flexible frequency control (HSA03)
±10V bipolar input or 3~7V unipolar input (HSA03-1)

2. Scope of application of HSA03 Series PWM Amplifiers

3. Description of HSA03 Series PWM Amplifiers

4. Electrical performance (Table, Table3) of HSA03 Series PWM Amplifiers

7. Connection diagram for typical application of HSA03 Series PWM Amplifiers

Application notes:

• When measuring the output waveform between pin 8 and pin 11 of the product with an oscilloscope, the input power supply plug of the oscilloscope shall be 2-phase.
• When using it, the case temperature in long term reliable operation of the product shall be T≤65℃.
• Ensure the correct connection of power supply voltage and input voltage and each voltage value consistent with the requirements in the manual.
• The conduction tape of pin 5, 7, 8, 9, 11 and 12 of the product, particularly pin 8, 11, shall be widened as wide as possible when designing them so as to ensure reliable operation when high- current passing through them.
• A bypass of power supply shall be added to ensure the normal operation of the product (see Chapter “Application”).
• When carrying out the electrical performance test, the test position shall be the pinouts of the product.
• During the assembly, the bottom of the product shall fit to the circuit board closely so as to avoid damage of pins, and shockproof provision shall be added, if necessary.
• Bending of pins shall be avoided so as to prevent insulator cracking, which affects the sealing property.
• The circuit shall be added with heat sinking device, and the size of radiator depends upon the output power.
• When the user places an order for the product, detailed electric performance indexes shall refer to the relevant enterprise standard.