Details

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Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (Vcc)	Operating supply voltage range	8	-	40	V
Quiescent Current	Current consumed by the IC at no load	-	15	-	mA
Oscillator Frequency Range	Adjustable frequency range	40	-	500	kHz
Dead Time Control	Minimum dead time between output pulses	-	1.2	-	渭s
Output Voltage (High)	Output high-level voltage	-	Vcc - 1.5	-	V
Output Voltage (Low)	Output low-level voltage	-	0.7	-	V
Output Current (Source/Sink)	Maximum current that can be sourced or sunk by each output	-	200	-	mA
Thermal Shutdown Temperature	Temperature at which the IC shuts down to prevent damage	-	160	-	掳C
Operating Temperature Range	Ambient temperature range for operation	-40	-	125	掳C
Storage Temperature Range	Temperature range for storage	-65	-	150	掳C

Instructions for Using TL494S

1. Power Supply:

   • Connect the Vcc pin to the positive supply voltage, which should be within the range of 8V to 40V.
   • Connect the GND pin to the common ground.

2. Oscillator Configuration:

   • Connect a resistor (Rt) between pins 6 (CT) and 5 (RT).
   • Connect a capacitor (Ct) between pin 5 (RT) and ground.
   • The oscillator frequency is determined by the formula: ( f = frac{1.1}{R_t times C_t} ).

3. Dead Time Control:

   • Connect a resistor (Rd) between pin 4 (Dead Time Control) and ground to set the minimum dead time.

4. Error Amplifier:

   • Connect the inverting input (pin 2) to the feedback signal.
   • Connect the non-inverting input (pin 1) to the reference voltage.
   • Use external resistors to set the gain and offset of the error amplifier.

5. Output Stage:

   • The TL494S has two push-pull output stages (pins 9 and 11).
   • Connect the load (e.g., transistors, MOSFETs) to these pins as required.
   • Ensure the load current does not exceed 200mA per output.

6. Thermal Considerations:

   • Ensure proper heat dissipation if operating at high temperatures or under high power conditions.
   • Monitor the thermal shutdown temperature to avoid damage.

7. Storage and Handling:

   • Store the IC in a dry environment within the specified storage temperature range.
   • Handle with care to avoid static damage.

8. Testing:

   • Before finalizing the design, test the circuit under various operating conditions to ensure stability and performance.

By following these instructions, you can effectively use the TL494S in your power supply or control circuit applications.

(For reference only)