Details

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BUY KP15051SPA https://www.utsource.net/itm/p/12614750.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		4.5		20	V
Output Voltage	VOUT		1.2		5.5	V
Output Current	IOUT	Continuous		1.5		A
Efficiency	畏	@ 5V, 1A load		85		%
Switching Frequency	fSW			1.5		MHz
Quiescent Current	IQ	No load		10		渭A
Dropout Voltage	VDROPOUT	@ 1A load		1.2		V
Load Regulation		10mA to 1.5A		2		%
Line Regulation		VIN from 4.5V-20V		0.5		%
Ripple Rejection		@ 1kHz		70		dB
Operating Temperature	TOPR		-40		85	掳C

Instructions for KP15051SPA:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the specified range of 4.5V to 20V. Exceeding this range can damage the device.

2. Output Voltage (VOUT):

   • Adjust the output voltage using external resistors if necessary. The typical adjustable range is from 1.2V to 5.5V.

3. Output Current (IOUT):

   • The device can provide a continuous output current up to 1.5A. Avoid exceeding this limit to prevent overheating or damage.

4. Efficiency:

   • For optimal efficiency, operate the device at the recommended switching frequency and within the specified load conditions.

5. Switching Frequency (fSW):

   • Set the switching frequency typically around 1.5MHz. Higher frequencies reduce the size of external components but increase switching losses.

6. Quiescent Current (IQ):

   • Keep in mind that the quiescent current is approximately 10渭A under no-load conditions.

7. Dropout Voltage (VDROPOUT):

   • The dropout voltage is around 1.2V at full load, which should be considered when designing the power supply circuit.

8. Load and Line Regulation:

   • Ensure load regulation does not exceed 2% and line regulation stays below 0.5% to maintain stable output.

9. Ripple Rejection:

   • The device provides about 70dB ripple rejection at 1kHz, contributing to cleaner output voltage.

10. Operating Temperature (TOPR):

    • Operate the device within the temperature range of -40掳C to 85掳C to ensure reliable performance.

11. Mounting and Layout:

    • Proper heat sinking may be required depending on the application to manage thermal dissipation effectively.

12. Protection Features:

    • Check for built-in protection features such as overcurrent and thermal shutdown to enhance reliability.

Ensure all connections are secure and follow good engineering practices to achieve optimal performance and longevity of the KP15051SPA.

(For reference only)