Details

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BUY LM3302N https://www.utsource.net/itm/p/12591865.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous operation	2.7	-	5.5	V
Output Voltage	VOUT	No load to rated load	-	1.24	-	V
Quiescent Current	IQ	VIN = 5V, no load	-	60	-	μA
Output Current	IOUT	Continuous operation	-	100	-	mA
Dropout Voltage	VDROP	IOUT = 100mA	-	300	-	mV
Thermal Shutdown	TSD	-	-	160	-	°C
Operating Junction Temperature	TJ	-	-20	-	150	°C
Storage Temperature	TSTORAGE	-	-65	-	150	°C

Instructions for Use

1. Power Supply:

   • Ensure the input voltage (V_IN) is within the range of 2.7V to 5.5V.
   • Use appropriate decoupling capacitors (typically 10μF and 0.1μF) at the input and output to stabilize the supply and reduce noise.

2. Output Voltage:

   • The output voltage (V_OUT) is fixed at 1.24V. For different output voltages, external resistors can be used to adjust the feedback network.

3. Load Regulation:

   • The device can provide up to 100mA of continuous output current. Ensure that the load does not exceed this limit to avoid overheating or damage.

4. Thermal Considerations:

   • The device has a thermal shutdown feature that activates at approximately 160°C to protect against overheating.
   • Ensure adequate heat dissipation if operating at high current or in high ambient temperatures.

5. Capacitor Selection:

   • Use ceramic capacitors with low ESR for best performance.
   • For the output capacitor, a value of 10μF is typically recommended to ensure stability.

6. PCB Layout:

   • Keep the power supply traces short and wide to minimize voltage drops and inductance.
   • Place the LM3302N close to the load to reduce the effects of parasitic inductance and resistance.

7. Storage and Handling:

   • Store the device in a dry environment within the temperature range of -65°C to 150°C.
   • Handle with care to avoid static discharge, which can damage the device.

8. Testing:

   • Before finalizing the design, test the circuit under various conditions (e.g., different input voltages, loads, and temperatures) to ensure reliable operation.

(For reference only)