Details

---

BUY SG3503DM https://www.utsource.net/itm/p/12606091.html

Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (Vcc)	Operating supply voltage range	10	-	40	V
Quiescent Current	Supply current when no load	-	15	-	mA
Output Current	Maximum output current per channel	-	200	-	mA
Frequency Range	Adjustable frequency range for PWM applications	1	-	500	kHz
Duty Cycle Range	Adjustable duty cycle range	0	-	100	%
Temperature Range	Operating temperature range	-40	-	85	掳C
Power Dissipation	Maximum power dissipation	-	600	-	mW

Instructions for SG3503DM

1. Power Supply Connection:

   • Connect the supply voltage (Vcc) between 10V and 40V to the appropriate pins.
   • Ensure that the ground (GND) is properly connected.

2. Frequency Adjustment:

   • Adjust the external resistor and capacitor connected to the frequency control pins to set the desired PWM frequency within the 1kHz to 500kHz range.

3. Duty Cycle Control:

   • Use the duty cycle control pin to adjust the duty cycle from 0% to 100%. This can be done by varying the input voltage or using a potentiometer.

4. Output Configuration:

   • The SG3503DM can drive loads up to 200mA per channel. Ensure that the load does not exceed this limit to avoid damage.

5. Thermal Management:

   • Operate the device within the temperature range of -40掳C to 85掳C. For high-power applications, consider adding a heat sink to manage heat dissipation effectively.

6. Protection:

   • Implement appropriate protection circuits such as overcurrent and short-circuit protection to safeguard the SG3503DM.

7. Quiescent Current:

   • Be aware that the quiescent current is around 15mA. Design your power supply accordingly to account for this consumption.

8. Testing:

   • Before deploying in a final application, test the SG3503DM under various conditions to ensure stable operation and verify all parameters meet the requirements.

(For reference only)