Details

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BUY STR-W6051S https://www.utsource.net/itm/p/6500068.html
Off-Line PWM Controllers with Integrated Power MOSFET

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	4.5	-	5.5	V
Operating Temperature	Ta	-40	-	85	°C
Output Current	Iout	-	1.2	1.5	A
Quiescent Current	Iq	-	30	50	μA
Dropout Voltage	Vdo	-	0.5	1.0	V
Load Regulation	-	-	0.1	0.5	%
Line Regulation	-	-	0.1	0.5	%
Ripple Rejection	-	60	-	80	dB
Thermal Shutdown	TSD	-	150	-	°C

Instructions for STR-W6051S

1. Supply Voltage (Vcc):

   • Ensure the supply voltage is within the range of 4.5V to 5.5V to avoid damage to the device.

2. Operating Temperature (Ta):

   • The device can operate between -40°C and 85°C. Ensure proper heat dissipation if operating near the upper limit.

3. Output Current (Iout):

   • The typical output current is 1.2A, with a maximum of 1.5A. Do not exceed this limit to prevent overheating and potential damage.

4. Quiescent Current (Iq):

   • The quiescent current is typically 30μA and should not exceed 50μA to maintain efficiency.

5. Dropout Voltage (Vdo):

   • The dropout voltage is typically 0.5V and should not exceed 1.0V. This ensures stable operation under varying load conditions.

6. Load Regulation:

   • The load regulation is typically 0.1% and should not exceed 0.5%. This ensures consistent output voltage regardless of load changes.

7. Line Regulation:

   • The line regulation is typically 0.1% and should not exceed 0.5%. This ensures consistent output voltage despite variations in input voltage.

8. Ripple Rejection:

   • The ripple rejection is typically 60dB and can be as high as 80dB. This helps in filtering out noise from the power supply.

9. Thermal Shutdown (TSD):

   • The device will automatically shut down at approximately 150°C to prevent thermal damage. Ensure adequate cooling to avoid reaching this temperature.

10. Mounting and Layout:

    • Use a good quality PCB with proper ground planes and thermal vias to ensure efficient heat dissipation.
    • Place the device away from heat sources and ensure there is sufficient airflow around it.

11. Capacitors:

    • Use low ESR capacitors for input and output filtering to improve performance and stability.
    • Typical values are 10μF for input and 10μF for output, but consult the datasheet for specific recommendations.

12. Storage:

    • Store the device in a dry, cool place to prevent moisture damage.
    • Handle with care to avoid static discharge, which can damage the device.

By following these parameters and instructions, you can ensure optimal performance and longevity of the STR-W6051S.

(For reference only)