Details

---

BUY LM743H https://www.utsource.net/itm/p/6541576.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating Range	4.5		18	V
Output Voltage	Vout	No Load		7.0		V
Line Regulation	ΔVout/ΔVin	Iout = 5mA to 100mA		0.005		%
Load Regulation	ΔVout/ΔIout	Vin = 9V, Iout = 5mA to 100mA		0.1		%
Dropout Voltage	Vdo	Iout = 100mA		0.6		V
Quiescent Current	IQ	Iout = 0mA		5		mA
Short-Circuit Current	Isc	Vin = 9V		200		mA
Operating Temperature	Topr	Continuous Operation	-40		85	°C

Instructions for LM743H:

1. Power Supply Connection:

   • Connect the supply voltage (Vcc) between the input pin and ground.
   • Ensure the supply voltage is within the operating range of 4.5V to 18V.

2. Output Configuration:

   • The output pin provides a regulated voltage, typically 7V under no-load conditions.
   • For optimal performance, connect a capacitor between the output and ground.

3. Load Regulation:

   • The load regulation is specified at 0.1% for currents ranging from 5mA to 100mA.
   • Ensure that the load does not exceed the maximum short-circuit current.

4. Thermal Considerations:

   • Operate within the temperature range of -40°C to 85°C.
   • Use appropriate heat sinking if operating at higher temperatures or with high output currents.

5. Short Circuit Protection:

   • The device includes internal short-circuit protection limiting the output current to approximately 200mA.

6. Dropout Voltage:

   • Keep in mind the dropout voltage when designing your circuit; it is typically around 0.6V at an output current of 100mA.

7. Quiescent Current:

   • At no load, the quiescent current is approximately 5mA.

Note: Always refer to the manufacturer's datasheet for the most accurate and detailed specifications and instructions.

(For reference only)