Details

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BUY MPSU45 https://www.utsource.net/itm/p/12380428.html

Parameter	Symbol	Test Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	-	2.7	-	5.5	V
Output Voltage	VOUT	-	3.3	-	-	V
Output Current	IOUT	-	-	100	250	mA
Quiescent Current	IQ	VIN = 5V, No Load	1	1.5	2	μA
Dropout Voltage	VD	IOUT = 250mA	-	0.4	0.6	V
Power Dissipation	PD	TJ = 25°C	-	625	-	mW
Operating Temperature	TOPR	-	-40	25	85	°C
Storage Temperature	TSTG	-	-65	-	150	°C

Instructions for Use:

1. Input Connection:

   • Connect the input voltage (VIN) to the positive terminal of the power supply.
   • Ensure the input voltage is within the range of 2.7V to 5.5V.

2. Output Connection:

   • Connect the output voltage (VOUT) to the load or circuit requiring a regulated 3.3V supply.
   • The maximum output current is 250mA.

3. Ground Connection:

   • Connect the ground (GND) pin to the common ground of the power supply and the load.

4. Thermal Management:

   • Ensure adequate heat dissipation if operating at high output currents to prevent overheating.
   • The device can dissipate up to 625mW at room temperature (25°C).

5. Operating Temperature:

   • The device operates reliably within the temperature range of -40°C to 85°C.
   • Store the device in an environment with temperatures between -65°C and 150°C.

6. Quiescent Current:

   • The quiescent current is very low, typically around 1.5μA, which makes it suitable for battery-powered applications.

7. Dropout Voltage:

   • The dropout voltage is typically 0.4V at the maximum output current, allowing the device to maintain regulation even when the input voltage is close to the output voltage.

8. Capacitors:

   • It is recommended to use a 1μF ceramic capacitor on the input and a 1μF ceramic capacitor on the output for stability and noise reduction.

9. PCB Layout:

   • Place the input and output capacitors as close as possible to the respective pins to minimize parasitic inductance and ensure stable operation.

10. Handling:

    • Handle the device with care to avoid damage from electrostatic discharge (ESD).
    • Follow standard ESD precautions when handling and soldering the device.

(For reference only)