Details

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BUY KIA278R33PI https://www.utsource.net/itm/p/11552143.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	V_IN	4.5	-	40	V	Operating input voltage range
Output Voltage	V_OUT	-	3.3	-	V	Fixed output voltage
Output Current	I_OUT	-	1	2	A	Continuous output current
Quiescent Current	I_Q	-	20	-	渭A	Current consumption at no load
Dropout Voltage	V_DO	-	100	-	mV	Voltage difference between input and output
Load Regulation	-	-	1	-	%	Change in output voltage with varying load
Line Regulation	-	-	0.5	-	%	Change in output voltage with varying input
Ripple Rejection	-	-	60	-	dB	Ability to reject input ripple
Operating Temperature	T_OP	-40	-	125	掳C	Operating temperature range
Storage Temperature	T_STG	-65	-	150	掳C	Storage temperature range
Package Type	-	-	-	-	TO-252	Surface mount package

Instructions for Using KIA278R33PI

1. Input Voltage:

   • Ensure the input voltage is within the specified range (4.5V to 40V). Exceeding this range can damage the device.

2. Output Voltage:

   • The output voltage is fixed at 3.3V. No external components are required to set this voltage.

3. Output Current:

   • The device can provide a continuous output current up to 2A. For higher currents, consider heat dissipation and thermal management.

4. Quiescent Current:

   • The quiescent current is typically 20渭A, which is very low and suitable for battery-powered applications.

5. Dropout Voltage:

   • The dropout voltage is typically 100mV. This means the input voltage should be at least 100mV higher than the output voltage to ensure proper regulation.

6. Load and Line Regulation:

   • The load regulation is 1%, meaning the output voltage will change by 1% with changes in load.
   • The line regulation is 0.5%, indicating the output voltage will change by 0.5% with changes in input voltage.

7. Ripple Rejection:

   • The device has a ripple rejection of 60dB, effectively reducing input ripple on the output.

8. Operating Temperature:

   • The operating temperature range is -40掳C to 125掳C. Ensure the device is used within this range to avoid performance degradation or failure.

9. Storage Temperature:

   • The storage temperature range is -65掳C to 150掳C. Store the device in a dry, cool place to prevent damage.

10. Package Type:

    • The KIA278R33PI comes in a TO-252 surface mount package. Follow standard SMT soldering guidelines for assembly.

11. Thermal Management:

    • For high current applications, ensure adequate heat sinking or cooling to maintain the junction temperature within safe limits.

12. PCB Layout:

    • Place the input and output capacitors close to the device to minimize noise and improve stability. Use a ground plane to reduce parasitic inductance and improve thermal performance.

13. Capacitors:

    • Use a 10渭F ceramic capacitor on the input and a 10渭F ceramic capacitor on the output for stability and filtering.

14. Polarity:

    • Ensure correct polarity when connecting the device. Reversing the input or output can damage the regulator.

By following these parameters and instructions, you can ensure reliable and efficient operation of the KIA278R33PI.

(For reference only)