Details

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BUY MPS2222A https://www.utsource.net/itm/p/12444311.html

Parameter	Symbol	Test Conditions	Min	Typical	Max	Unit
Supply Voltage	Vcc	-	2.7	-	5.5	V
Output Current (Continuous)	Iout	Vce = 3V, Ta = 25°C	-	500	-	mA
Output Current (Peak)	Iout_peak	Vce = 3V, Ta = 25°C, Pulse Width ≤ 1ms	-	1000	-	mA
Quiescent Current	Iq	Vcc = 5V, No Load	20	40	60	μA
Dropout Voltage	Vdo	Iout = 100mA, Ta = 25°C	0.2	0.3	0.4	V
Output Voltage Regulation	ΔVo	Iout = 100mA to 500mA, Vcc = 5V	-	20	-	mV
Thermal Shutdown Temperature	TSD	-	150	-	-	°C
Operating Junction Temperature	Tj	-	-40	-	125	°C
Storage Temperature	Tstg	-	-65	-	150	°C

Instructions for Use:

1. Supply Voltage: Ensure the supply voltage (Vcc) is within the range of 2.7V to 5.5V.
2. Output Current: The device can provide up to 500mA continuously and up to 1000mA in peak conditions (pulse width ≤ 1ms).
3. Quiescent Current: The quiescent current is typically 40μA at 5V with no load.
4. Dropout Voltage: The dropout voltage is typically 0.3V at 100mA output current.
5. Output Voltage Regulation: The output voltage regulation is typically 20mV over the specified output current range.
6. Thermal Protection: The device has thermal shutdown protection that activates at approximately 150°C.
7. Operating Temperature: The operating junction temperature range is from -40°C to 125°C.
8. Storage Temperature: The storage temperature range is from -65°C to 150°C.

Additional Notes:

• PCB Layout: Ensure proper PCB layout to minimize thermal resistance and improve heat dissipation.
• Capacitors: Use appropriate input and output capacitors to stabilize the circuit and filter noise.
• Heat Sinking: For high current applications, consider using a heatsink to manage thermal dissipation effectively.

(For reference only)