Details

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BUY LM340T-15/NOPB https://www.utsource.net/itm/p/12608428.html

Below is the parameter table and instructions for the LM340T-15/NOPB:

LM340T-15/NOPB Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Output Voltage	VOUT	14.25	15.0	15.75	V	-
Line Regulation	ΔVOUT/ΔVIN	-	0.01	0.1	%	VIN = 16V to 35V, IOUT = 0A to 1.5A
Load Regulation	ΔVOUT/ΔIOUT	-	0.1	0.5	%	VIN = 16V to 35V, IOUT = 0A to 1.5A
Dropout Voltage	VDROPOUT	-	2.0	2.5	V	IOUT = 1.5A, VOUT = 15V
Quiescent Current	IQ	-	5	10	mA	VIN = 16V, IOUT = 0A
Thermal Shutdown Temperature	TSD	-	160	175	°C	-
Storage Temperature Range	TSTORAGE	-65	-	150	°C	-
Operating Junction Temperature Range	TJ	-40	-	125	°C	-
Maximum Output Current	IOUT(MAX)	-	1.5	1.5	A	VIN = 16V to 35V, VOUT = 15V

Instructions for Use

1. Power Supply Requirements:

   • Input Voltage (V_IN): The input voltage should be between 16V and 35V.
   • Output Voltage (V_OUT): The output voltage is fixed at 15V.

2. Thermal Considerations:

   • Ensure that the device is properly heatsinked to handle the power dissipation, especially when operating at high output currents.
   • The thermal shutdown temperature is typically around 160°C to 175°C to protect the device from overheating.

3. Output Capacitor:

   • A 10μF electrolytic capacitor is recommended at the output to stabilize the output voltage and reduce ripple.

4. Input Capacitor:

   • A 0.1μF ceramic capacitor is recommended at the input to filter out noise and transients.

5. Load Regulation:

   • The load regulation is typically 0.1% to 0.5%, meaning the output voltage will change by this percentage as the load current changes.

6. Line Regulation:

   • The line regulation is typically 0.01% to 0.1%, indicating the output voltage stability with respect to changes in input voltage.

7. ** Dropout Voltage:**

   • The dropout voltage is the minimum difference between the input and output voltages required for the regulator to maintain regulation. It is typically 2.0V to 2.5V at full load.

8. Quiescent Current:

   • The quiescent current is the current drawn by the regulator itself, which is typically 5mA to 10mA when no load is present.

9. Operating Temperature:

   • The operating junction temperature range is -40°C to 125°C. Ensure that the ambient temperature and heat dissipation are managed to keep the junction temperature within this range.

10. Storage Temperature:

    • The storage temperature range is -65°C to 150°C. Store the device in a dry, cool place to prevent damage.

11. Handling Precautions:

    • Handle the device with care to avoid static discharge, which can damage the internal components.
    • Follow proper soldering techniques to ensure reliable connections and avoid thermal shock.

By following these parameters and instructions, you can ensure optimal performance and reliability of the LM340T-15/NOPB voltage regulator.

(For reference only)