Details

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BUY RT8292AH https://www.utsource.net/itm/p/12605973.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	4.5	-	28	V
Output Voltage	VOUT	Adjustable	0.8	-	17	V
Output Current	IOUT	Continuous	-	3	-	A
Quiescent Current	IQ	VIN = 5V, VOUT = 3.3V, IOUT = 0A	-	250	-	μA
Shutdown Current	ISD	VIN = 5V, VOUT = 3.3V, IOUT = 0A, EN = 0V	-	1	-	μA
Dropout Voltage	VDROPOUT	IOUT = 3A, VOUT = 3.3V	-	0.6	-	V
PSRR at 100 kHz	PSRR	VIN = 5V, VOUT = 3.3V, IOUT = 100mA	-	55	-	dB
Line Regulation	ΔVOUT/ΔVIN	VIN = 5V to 12V, VOUT = 3.3V, IOUT = 100mA	-	0.01	-	%/V
Load Regulation	ΔVOUT/ΔIOUT	VIN = 5V, VOUT = 3.3V, IOUT = 0 to 3A	-	0.1	-	%/A
Operating Temperature Range	Toperating	-	-40	25	125	°C
Storage Temperature Range	Tstorage	-	-40	-	150	°C

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 4.5V to 28V.
   • The input capacitor should be placed as close as possible to the IC to minimize noise and improve stability.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted from 0.8V to 17V using external resistors.
   • Use the formula ( V_ = 0.8 times left(1 + fracright) ) to set the desired output voltage.

3. Output Current (IOUT):

   • The maximum continuous output current is 3A. Ensure that the load does not exceed this limit to avoid overheating or damage.

4. Quiescent Current (IQ):

   • The quiescent current is typically 250μA under normal operating conditions. This value helps in power budgeting for low-power applications.

5. Shutdown Current (ISD):

   • When the enable pin (EN) is set to 0V, the shutdown current drops to 1μA, significantly reducing power consumption.

6. Dropout Voltage (VDROPOUT):

   • The dropout voltage is 0.6V at 3A output current. This parameter is crucial for maintaining regulation when the input voltage is close to the output voltage.

7. Power Supply Rejection Ratio (PSRR):

   • At 100kHz, the PSRR is 55dB, indicating good rejection of ripple and noise from the input supply.

8. Line Regulation:

   • The line regulation is 0.01% per volt, ensuring stable output voltage even with variations in input voltage.

9. Load Regulation:

   • The load regulation is 0.1% per amp, maintaining a consistent output voltage under varying load conditions.

10. Operating Temperature Range:

    • The IC is designed to operate over a temperature range of -40°C to 125°C. Ensure proper heat dissipation if used in high-temperature environments.

11. Storage Temperature Range:

    • Store the IC in a temperature range of -40°C to 150°C to prevent damage.

12. PCB Layout:

    • Place the input and output capacitors close to the IC to reduce parasitic inductance and improve stability.
    • Use a ground plane to enhance thermal performance and reduce electromagnetic interference (EMI).

13. Enable Pin (EN):

    • The enable pin can be used to control the on/off state of the regulator. Connect it to a logic high to turn the regulator on and to a logic low to turn it off.

14. Thermal Considerations:

    • Ensure adequate heat sinking if the IC is expected to dissipate significant power. The junction-to-ambient thermal resistance (θJA) should be considered in the design.

By following these parameters and instructions, you can ensure optimal performance and reliability of the RT8292AH in your application.

(For reference only)