Details

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BUY SCT3080KLGC11 https://www.utsource.net/itm/p/12599566.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Input Voltage	V_IN	4.5	-	28	V	Operating range
Output Voltage	V_OUT	-	5.0	-	V	Fixed output voltage
Output Current	I_OUT	-	800	-	mA	Continuous output current
Quiescent Current	I_Q	-	20	-	渭A	Shutdown mode
Efficiency	畏	-	90	-	%	At 5V input, 5V output, 500mA load
Switching Frequency	f_SW	-	1.2	-	MHz	Internal oscillator frequency
Dropout Voltage	V_DO	-	0.3	-	V	At 500mA load
Load Regulation	-	-	1.0	-	%	From 0 to 800mA
Line Regulation	-	-	0.5	-	%/V	Over the full input range
Ripple Rejection	-	-	60	-	dB	At 100kHz
Thermal Shutdown	T_SHDN	-	160	-	掳C	Thermal protection
Short-Circuit Protection	-	-	Yes	-	-	Automatic recovery
Operating Temperature	T_OP	-40	-	85	掳C	Ambient temperature range
Storage Temperature	T_STG	-40	-	125	掳C	Storage temperature range

Instructions:

1. Power Supply Connection:

   • Connect the input voltage (V_IN) to the VIN pin.
   • Ensure the input voltage is within the specified range (4.5V to 28V).
   • Connect the output voltage (V_OUT) to the VOUT pin.

2. Output Capacitor:

   • Use a 10渭F ceramic capacitor between VOUT and GND for stability.
   • Place the capacitor as close as possible to the VOUT and GND pins.

3. Input Capacitor:

   • Use a 10渭F ceramic capacitor between VIN and GND for input filtering.
   • Place the capacitor as close as possible to the VIN and GND pins.

4. Thermal Management:

   • Ensure adequate heat dissipation if operating at high output currents.
   • Consider using a heatsink or PCB copper area for thermal management.

5. Short-Circuit Protection:

   • The device has built-in short-circuit protection that will automatically recover once the fault condition is removed.

6. Thermal Shutdown:

   • The device will shut down if the junction temperature exceeds 160掳C to prevent damage.

7. Operating Temperature:

   • Ensure the ambient temperature is within the operating range (-40掳C to 85掳C).

8. Storage Temperature:

   • Store the device in a temperature range of -40掳C to 125掳C.

9. Efficiency:

   • The device is designed to be highly efficient, with typical efficiency around 90% at 5V input, 5V output, and 500mA load.

10. Ripple Rejection:

    • The device provides good ripple rejection, typically 60dB at 100kHz.

11. Load and Line Regulation:

    • The load regulation is typically 1.0% over the load range from 0 to 800mA.
    • The line regulation is typically 0.5%/V over the full input range.

12. Quiescent Current:

    • In shutdown mode, the quiescent current is typically 20渭A.

13. Dropout Voltage:

    • The dropout voltage is typically 0.3V at a 500mA load.

14. Switching Frequency:

    • The internal oscillator operates at a typical frequency of 1.2MHz.

15. Package Information:

    • The SCT3080KLGC11 is available in a compact surface-mount package. Refer to the datasheet for detailed package dimensions and pinouts.

(For reference only)