Details

---

BUY UA7824CKCS https://www.utsource.net/itm/p/12608952.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VI	Continuous	26	-	40	V
Output Voltage	VO	Regulation	24	-	24	V
Output Current	IO	Continuous	-	1.5	-	A
Line Regulation		26V to 40V	-	0.04	-	%
Load Regulation		0 to 1.5A	-	0.1	-	%
Dropout Voltage	VD	@ 1.5A	-	2.5	-	V
Ripple Rejection		1kHz	-	60	-	dB
Operating Temperature	TJ	Storage	-65	-	150	掳C
Thermal Resistance	胃JA	Free Air	-	50	-	掳C/W

Instructions for Using the UA7824CKCS

1. Input Voltage:

   • Ensure the input voltage is within the specified range (26V to 40V) to avoid damage to the regulator.
   • Use appropriate filtering capacitors on the input to reduce ripple and noise.

2. Output Voltage:

   • The output voltage is fixed at 24V. No external components are required for voltage regulation.

3. Output Current:

   • The maximum continuous output current is 1.5A. Ensure adequate heat sinking if operating near this limit to prevent overheating.

4. Line Regulation:

   • The line regulation is 0.04%, indicating that the output voltage will remain stable even with variations in the input voltage.

5. Load Regulation:

   • The load regulation is 0.1%, ensuring that the output voltage remains stable under varying load conditions.

6. Dropout Voltage:

   • The dropout voltage is 2.5V at 1.5A. This means the input voltage must be at least 2.5V higher than the output voltage to maintain regulation.

7. Ripple Rejection:

   • The regulator has a ripple rejection of 60dB at 1kHz, effectively reducing input ripple from reaching the output.

8. Operating Temperature:

   • The operating temperature range is -65掳C to 150掳C. Ensure proper thermal management to keep the device within this range.

9. Thermal Resistance:

   • The thermal resistance (胃JA) is 50掳C/W in free air. Use a heatsink to improve thermal performance, especially when operating at high currents.

10. Mounting:

    • Mount the regulator on a PCB with adequate copper area for heat dissipation. Consider using a heatsink if the application requires sustained high current.

11. Capacitors:

    • Use a 0.33渭F capacitor on the input and a 0.1渭F capacitor on the output for stability and transient response. Larger capacitors may be used for additional filtering.

12. PCB Layout:

    • Keep the leads short and direct to minimize inductance and improve transient response. Place the input and output capacitors as close as possible to the regulator.

By following these guidelines, you can ensure reliable operation of the UA7824CKCS in your application.

(For reference only)