Details

---

BUY NCP1117ST50T3G https://www.utsource.net/itm/p/12553474.html

Parameter	Symbol	Min	Typical	Max	Unit
Input Voltage	VIN	7.0	-	20.0	V
Output Voltage	VOUT	5.0	-	5.0	V
Output Current	IOUT	-	1.0	1.0	A
Dropout Voltage	VDROPOUT	-	1.5	2.0	V
Quiescent Current	IQ	-	6.5	8.0	mA
Ground Pin Current	IGND	-	8.0	10.0	mA
Power Dissipation	PD	-	-	1000	mW
Operating Temperature	TOPR	-40	-	125	°C
Storage Temperature	TSTG	-65	-	150	°C
Thermal Resistance (θJA)	θJA	-	50	-	°C/W

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 7.0V to 20.0V to avoid damage to the regulator.

2. Output Voltage (VOUT):

   • The output voltage is fixed at 5.0V. No external components are required to set this voltage.

3. Output Current (IOUT):

   • The maximum continuous output current is 1.0A. Ensure the load does not exceed this limit to prevent overheating or damage.

4. Dropout Voltage (VDROPOUT):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation. It is typically 1.5V to 2.0V.

5. Quiescent Current (IQ):

   • The quiescent current is the current consumed by the regulator when no load is applied. It is typically 6.5mA to 8.0mA.

6. Ground Pin Current (IGND):

   • The ground pin current is the current flowing through the ground pin. It is typically 8.0mA to 10.0mA.

7. Power Dissipation (PD):

   • The maximum power dissipation is 1000mW. Ensure proper heat sinking if the regulator is operating near this limit to prevent thermal shutdown.

8. Operating Temperature (TOPR):

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

9. Storage Temperature (TSTG):

   • The storage temperature range is from -65°C to 150°C. Store the device in a dry environment to prevent moisture damage.

10. Thermal Resistance (θJA):

    • The thermal resistance from junction to ambient (θJA) is 50°C/W. Use a heatsink if the power dissipation is high to reduce the junction temperature.

Additional Notes:

• Capacitors:
  • Use a 10μF tantalum or ceramic capacitor on the input side and a 10μF tantalum or ceramic capacitor on the output side to ensure stability and filter out noise.
• PCB Layout:
  • Keep the PCB layout compact and use wide traces for the input and output to minimize voltage drops and improve thermal performance.
• Heat Sinking:
  • If the regulator is expected to dissipate significant power, consider using a heatsink or a larger copper area on the PCB to enhance heat dissipation.

(For reference only)