Details

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BUY STRY6763 https://www.utsource.net/itm/p/12607653.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	2.7	-	5.5	V	Operating supply voltage range
Output Current	IOUT	-	1.5	3	A	Maximum continuous output current
Quiescent Current	IQ	-	20	40	μA	Quiescent current at no load
Efficiency	η	-	90	-	%	Typical efficiency at nominal load
Dropout Voltage	VDROPOUT	-	200	300	mV	Dropout voltage at maximum load
Operating Temperature	Toper	-40	-	125	°C	Operating temperature range
Storage Temperature	Tstg	-65	-	150	°C	Storage temperature range
Thermal Resistance	RθJA	-	60	-	°C/W	Junction-to-ambient thermal resistance
Load Regulation	ΔVOUT/ΔIOUT	-	0.5	1.5	mV/A	Change in output voltage with respect to load
Line Regulation	ΔVOUT/ΔVIN	-	0.5	1.5	mV/V	Change in output voltage with respect to input
PSRR (1 kHz)	PSRR	-	60	-	dB	Power supply rejection ratio at 1 kHz
Transient Response Time	tTR	-	10	20	μs	Time to recover from a load transient

Instructions for Use:

1. Supply Voltage (VDD):

   • Ensure the supply voltage is within the specified range of 2.7V to 5.5V.
   • Use appropriate decoupling capacitors (e.g., 10μF and 0.1μF) close to the VDD pin to stabilize the supply.

2. Output Current (IOUT):

   • The device can provide up to 3A of continuous output current.
   • For higher currents, ensure adequate heat dissipation to prevent thermal shutdown.

3. Quiescent Current (IQ):

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

4. Efficiency (η):

   • The typical efficiency is 90%, which helps in minimizing power loss and heat generation.

5. Dropout Voltage (VDROPOUT):

   • The dropout voltage is between 200mV and 300mV, allowing the regulator to maintain regulation even when the input voltage is close to the output voltage.

6. Operating Temperature (Toper):

   • The device operates reliably over a temperature range of -40°C to 125°C.

7. Storage Temperature (Tstg):

   • Store the device in an environment with temperatures ranging from -65°C to 150°C.

8. Thermal Resistance (RθJA):

   • The junction-to-ambient thermal resistance is 60°C/W, indicating the need for proper heat sinking for high-power applications.

9. Load Regulation (ΔVOUT/ΔIOUT):

   • The change in output voltage due to load variations is typically 0.5mV/A to 1.5mV/A, ensuring stable output under varying loads.

10. Line Regulation (ΔVOUT/ΔVIN):

    • The change in output voltage due to input voltage variations is typically 0.5mV/V to 1.5mV/V, maintaining a stable output.

11. PSRR (1 kHz):

    • The power supply rejection ratio at 1 kHz is 60dB, effectively filtering out ripple and noise from the input supply.

12. Transient Response Time (tTR):

    • The device recovers from load transients within 10μs to 20μs, ensuring quick stabilization of the output voltage.

Layout Considerations:

• Place the input and output capacitors as close as possible to the respective pins to minimize parasitic inductance.
• Use wide traces for power and ground connections to reduce resistance and improve heat dissipation.
• Ensure adequate airflow or heat sinking for high-power applications to prevent overheating.

(For reference only)